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Despite ample anecdotal evidence, there are limited meaningful studies speaking to the important role of the human-animal bond (HAB) in reducing suicidality. However, research is increasingly showing the viability of service dogs (SDs) as a complementary approach for military Veterans suffering from post-traumatic stress disorder (PTSD) and substance use harms – two of the strongest indicators of suicidality across any population. An original, exploratory study completed in 2020 focused on how SDs supported Canadian Veterans living with PTSD and substance use concerns. From this work, a secondary analysis was then undertaken: 28 transcripts were examined through thematic analysis to explore the experiences of the Veterans who were identified as being at high risk for suicide to better understand how SDs may assist with their suicidality. Our methodological approach for the secondary analysis employed affective coding to discover how the social support system enabled by the SDs reduced experiences of loneliness and hopelessness, as well as symptoms of PTSD, depression, and substance use concerns that are commonly associated with suicidality. The SDs were reported by the Veterans as being a catalyst in reducing self-harm and suicidality, as the HAB provided a unique and necessary form of social support for Veterans that was distinct from what other human-human interactions could provide. While acknowledgement of how context specificity and the lived experience of each individual remains crucial for making sense of suicidality, the significant finding from this research has been the identification of the critical impact that SDs have in the lives of Veterans when it comes to preventing suicide. The SD has been explained as a bridge to improve Veterans’ overall quality of life and reduce markers commonly recognized as precursors to suicide – a finding that may be critical in helping reduce future suicide risk among military Veterans, and warrants further investigation.

The emerging field of canine cognitive neuroscience uses neuroimaging tools such as electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) to map the cognitive processes of dogs to neural substrates in their brain. Within the past decade, the non-invasive use of EEG has provided real-time, accessible, and portable neuroimaging insight into canine cognitive processes. To promote systematization and create an overview of framings, methods and findings for future work, we provide a systematic review of non-invasive canine EEG studies (N=22), dissecting their study makeup, technical setup, and analysis frameworks and highlighting emerging trends. We further propose new directions of development, such as the standardization of data structures and integrating predictive modeling with descriptive statistical approaches. Our review ends by underscoring the advances and advantages of EEG-based canine cognitive neuroscience and the potential for accessible canine neuroimaging to inform both fundamental sciences as well as practical applications for cognitive neuroscience, working dogs, and human-canine interactions. [ABSTRACT FROM AUTHOR]

Detection dogs are required to learn and alert to multiple different odors during training and to generalize this learning to similar odors when working. They should be both sensitive to variation in the target odors and specific enough to avoid false alerts, but how readily they achieve this is likely to depend on the training method employed. The majority of agencies train by presenting single target odors in isolation, and adding additional odors consecutively, although recent research with rats suggests intermixing the target odors concurrently throughout training may be a more effective approach. This study therefore tested the relative efficacy of intermixed training in dogs. Using an odor-detection lineup, pet dogs were trained to detect two target odors, A and B. Those allocated to the "sequential" group were trained to criterion on odor A and then trained on odor B (or vice versa), the "compound" group were trained on a mixture of AB, and the "intermixed" group trained on A and B concurrently. Each dog was then tested on all combinations of the test stimuli (A, B, and AB), as well as combinations containing a novel interferent (AC, BC, and ABC). Results revealed that dogs trained by the intermixed method made significantly more correct (true positive) indications, and significantly fewer miss (false negative) indications than the other two methods, suggesting that intermixed training is more effective than currently used alternative training methods. Thus, for improved performance and generalization, we recommend detection dog training should use an intermixed method of training. [ABSTRACT FROM AUTHOR]

Simple Summary: This study aims to improve the breeding of guide dogs by using genetic information to predict important health and behavior traits. Guide dogs need to be healthy and attentive to effectively assist people with visual impairments. This study compares several methods for predicting whether a dog might develop certain health issues, such as anodontia (missing teeth), distichiasis (extra eyelashes that can irritate the eyes), or oral papillomatosis (oral tumors caused by a virus), as well as behaviors like high distractibility, based on their genetic makeup. Data from German Shepherds, Golden Retrievers, Labrador Retrievers, and their crosses were analyzed to see which prediction methods work best given different models and data parameters. The results show that all the tested methods were similarly effective in predicting these traits. Notably, simpler and less time-intensive methods and data collection processes perform just as well as more complex ones. This means that dog breeders can use these genetic prediction tools without investing in expensive technology or genetic testing. By applying these methods, breeders can make better informed decisions when selecting dogs for breeding, focusing on those more likely to be healthy and exhibit desirable behaviors. Ultimately, this approach can lead to the development of healthier and more capable guide dogs, benefiting individuals who rely on them and contributing to the overall well-being of the dog population. This study investigates the efficacy of various genomic prediction models—Genomic Best Linear Unbiased Prediction (GBLUP), Random Forest (RF), Support Vector Machine (SVM), Extreme Gradient Boosting (XGB), and Multilayer Perceptron (MLP)—in predicting genomic breeding values (gEBVs). The phenotypic data include three binary health traits (anodontia, distichiasis, oral papillomatosis) and one behavioral trait (distraction) in a population of guide dogs. These traits impact the potential for success in guide dogs and are therefore routinely characterized but were chosen based on differences in heritability and case counts specifically to assess gEBV model performance. Utilizing a dataset from The Seeing Eye organization, which includes German Shepherds (n = 482), Golden Retrievers (n = 239), Labrador Retrievers (n = 1188), and Labrador and Golden Retriever crosses (n = 111), we assessed model performance within and across different breeds, trait heritability, case counts, and SNP marker densities. Our results indicate that no significant differences were found in model performance across varying heritabilities, case counts, or SNP densities, with all models performing similarly. Given its lack of need for parameter optimization, GBLUP was the most efficient model. Distichiasis showed the highest overall predictive performance, likely due to its higher heritability, while anodontia and distraction exhibited moderate accuracy, and oral papillomatosis had the lowest accuracy, correlating with its low heritability. These findings underscore that lower density SNP datasets can effectively construct gEBVs, suggesting that high-cost, high-density genotyping may not always be necessary. Additionally, the similar performance of all models indicates that simpler models like GBLUP, which requires less fine tuning, may be sufficient for genomic prediction in canine breeding programs. The research highlights the importance of standardized phenotypic assessments and carefully constructed reference populations to optimize the utility of genomic selection in canine breeding programs. [ABSTRACT FROM AUTHOR]

Physical activity increases energy and nutrient requirements. Sled dogs participating in long distance racing have extremely high energy demand. Diet of sporting and working dogs should be highly digestible. Optimal body weight and condition are essential to show a good athletic performance. The daily food ration should be rich in antioxidants, because physical activity can increase oxidative stress. The aim of this paper was to present the aspects connected with the nutrition of sporting and working dogs. [ABSTRACT FROM AUTHOR]

Two retrogene insertions, FGF4L1 (formerly 18-FGF4, colloquially CDPA) and FGF4L2 (formerly 12-FGF4, colloquially CDDY), have recently been discovered as determinants of short leg phenotype in dogs. This case study is comprised of a family of standard wirehaired dachshunds in which the dogs lacking the FGF4L1 gene exhibit a tall phenotype. The tall phenotype in the dachshunds of this report precludes the dog's working function of den work. The data presented in this report provide information as to how FGF4L1 status could be used in making breeding decisions in dachshunds to maintain working ability without compromising animal health. [ABSTRACT FROM AUTHOR]

AbstractDuring out-of-area military operations, the presence of carcinogenic and/or genotoxic agents has been reported, posing potential health risks to deployed soldiers. Military working dogs (MWDs), trained to detect explosives in the same environments as soldiers, could also serve as sentinel animals, providing valuable information on exposure to hazardous agents. These dogs can help identify environmental and potential adverse effects on their health and that of their handlers, possibly before relevant pathologies manifest. This study aims to evaluate the effectiveness of 33 Italian Army MWDs, deployed to the Lebanese theater for six consecutive months from October 2013 to January 2015, as sentinel animals for detecting exposure to genotoxic agents. The Cytokinesis-Block MicroNucleus (CBMN) assay was used to assess DNA damage, cytostasis, and cytotoxicity in the lymphocytes of these dogs. DNA damage events were specifically scored in once-divided binucleated cells (BCs) and included: a) micronuclei (MNi), indicative of chromosome breakage and/or whole chromosome loss; b) nucleoplasmic bridges (NPBs), a marker of DNA misrepair and/or telomere end-fusions; and c) nuclear buds (NBUDs), which signal the elimination of amplified DNA and/or DNA repair complexes. Our findings revealed an increase in chromosomal damage, assessed before and after deployment, with a statistically significant rise in MNi frequency, thus supporting the use of MWDs as sentinels for human exposure to hazardous agents. [ABSTRACT FROM AUTHOR]

This study aims to investigate the relationships and cooperation within human-dog teams working in olfactory search in the French Armed Forces and in national Police Forces. Twenty-six semi-structured interviews were carried out with canine handlers. The main topic concerned working with their dog during olfactory searches. Among the themes that stand out are relationships with their dog and canine knowledge and practices. Minor differences and similarities between dyads of the two institutions are identified in human-dog relationships. Regarding relationships with dogs, two main differences are linked to the long missions abroad experienced by Armed Forces handlers and the possibility of welcoming dogs into their homes for Police Forces. The constitution of canine knowledge and practices is rooted in experiences and transactions with dogs, but also in social transmission. Even though there is no major differences between the two institutions, this study highlights the interest of having a situated approach. [ABSTRACT FROM AUTHOR]

Research on so-called social service dogs' welfare in schools is scarce and tends to suffer from positive bias; i.e., lacking critical approaches to claimed welfare benefits for dogs. To contribute method development for studying effects on dogs in pedagogical work, we applied and evaluated a combination of four data collection methods: Ethogram, Qualitative Behaviour Assessment (QBA), ethnographic observations, and interviews with dog-handling pedagogues. We followed pedagogues (n = 5) and their dogs (n = 8) in their daily work, observing 16 canine-assisted sessions in total at five different schools. Follow-up semi-structured interviews were carried out with all pedagogues. Our findings suggest combining either ethogram or QBA with ethnographic data that gives contextual information on the events causing the dog's behavior. The method choice will, ultimately, depend on study design, but the specific premises of QBA seem to work particularly well with ethnography. We further suggest a shift from simultaneous (parallel) to synchronous (connected) documentation of data. To minimize anthropocentric bias and power arrangements involved in animal welfare research, it is necessary to critically scrutinize accepted conventions regarding social service dogs and their work situation. [ABSTRACT FROM AUTHOR]

Aims: To determine whether evidence for infection with Theileria orientalis (Ikeda) could be identified in samples of commercial red deer (Cervus elaphus), horses, and working farm dogs in New Zealand. Methods: Blood samples were collected during October and November 2019 from a convenience sample of red deer (n = 57) at slaughter. Equine blood samples (n = 50) were convenience-sampled from those submitted to a veterinary pathology laboratory for routine testing in January 2020. Blood samples, collected for a previous study from a convenience sample of Huntaway dogs (n = 115) from rural regions throughout the North and South Islands of New Zealand between August 2018 and December 2020, were also tested. DNA was extracted and quantitative PCR was used to detect the T. orientalis Ikeda major piroplasm surface protein (MPSP) gene. A standard curve of five serial 10-fold dilutions of a plasmid carrying a fragment of the T. orientalis MPSP gene was used to quantify the number of T. orientalis organisms in the samples. MPSP amplicons obtained by end-point PCR on positive samples were isolated and subjected to DNA sequencing. The resulting sequences were compared to previously published T. orientalis sequences. Results: There were 6/57 (10%) samples positive for T. orientalis Ikeda from the deer and no samples positive for T. orientalis Ikeda from the working dogs or horses. The mean infection intensity for the six PCR-positive deer was 5.1 (min 2.2, max 12.4) T. orientalis Ikeda organisms/µL. Conclusions and clinical relevance: Red deer can potentially sustain low infection intensities of T. orientalis Ikeda and could act as reservoirs of infected ticks. Further studies are needed to determine whether naïve ticks feeding on infected red deer can themselves become infected. [ABSTRACT FROM AUTHOR]

Background: Age-related changes in physiological parameters are crucial in understanding the health and performance of working dogs, particularly those in demanding roles such as military and law enforcement. However, limited research exists on how aging affects the hematological and biochemical health of these dogs. Aim: This study aims to characterize age-related variations in hematological and biochemical parameters in working Belgian Shepherd dogs to provide insights that could inform health management strategies for these animals. Methods: Blood samples were collected from 26 male Belgian Malinois working dogs, categorized into three age groups: adults (2-6 years), seniors (7-10 years), and geriatrics (11+ years). Comprehensive hematological and biochemical analyses were conducted. Analysis of complete blood count was performed for total 16 parameters: red blood cell, white blood cell, packed cell volume, hemoglobin, and platelet, neutrophil, basophil, leukocyte, monocyte, lymphocyte, and eosinophil counts. Mean cell volume (MCV), mean cell hemoglobin, mean corpuscular hemoglobin concentration, red cell distribution width, and mean platelet volume (MPV) were subsequently determined. The biochemistry parameters included glucose, creatinine, urea, blood urea nitrogen:creatinive ratio, phosphorus, calcium, sodium, potassium, Na:K ratio, chloride, total protein, albumin, globulin, albumin:globulin ratio, as well as alanine aminotransferase, alkaline phosphatase, gamma glutamyl transeferase, total cholesterol, amylase and lipase. Results: Significant age-related changes were observed in various parameters. Older dogs exhibited decreased creatinine and increased phosphorus and potassium levels, indicating potential changes in muscle mass, renal function, and electrolyte balance. Additionally, the albumin to globulin ratio decreased with age, reflecting shifts in protein synthesis and immune function. Conclusion: The study highlights important age-related variations in hematological and biochemical parameters in working Belgian Shepherd dogs. These findings emphasize the need for age-specific health management strategies to maintain the health, performance, and longevity of these dogs, thereby enhancing their effectiveness in critical service roles. [Open Vet J 2024; 14(11.000): 2893-2900]

Abstract Background While complex dog–human coexistence has been deeply investigated, there is a relative scarcity of similar knowledge regarding dog–dog interactions. Social learning, a fundamental synchronizing mechanism between dogs and humans, was recently found to be influenced by the functional breed selection of dogs: with the cooperative breeds being more effective learners from a human demonstrator than the independent working breeds were. Here, we investigated whether these differences would also be present when dogs had to learn from another dog and how to effectively perform a detour around a transparent V-shaped obstacle. We tested dogs from 28 independent and 19 cooperative breeds in three consecutive trials. In the control groups, all dogs had to detour on their own the obstacle. In the dog demonstration groups, in trial 1, the subjects had to detour on their own, but before the next two trials, a trained dog showed them the solution. Results We found that the performance of the two breed groups was the same in the without demonstration groups. However, after observing the dog demonstrator, the independent dogs learned the task more successfully than the cooperative breeds did. In the case of the independent working breeds, detour latencies significantly dropped along the consecutive trials, and these dogs also showed higher rate of successful detours after observing the demonstrator dog’s action than in the control group. Conclusions This is the first study where the consequences of functional breed selection were confirmed in a scenario that involved conspecific social learning in dogs. The results fit well to the ecologically valid framework of the evolutionary past of dog breed formation, in which cooperative breeds were selected for their interactivity with humans, whereas independent breeds often had to work together with their conspecifics. Graphical Abstract

It is said that dogs are human's best friend. On occasion, dogs can be raised and trained to provide additional specific benefits to humans suffering from a range of physical or mental conditions, working as assistance dogs. In this article, we employed innovative techniques to review the vast and constantly expanding literature on the subject, which covers a multitude of aspects. The 450 articles obtained through keyword search on Scopus were initially described in terms of year of publication, geographical context and publication destination, and were subsequently analysed through automated text mining to detect the most important words contained within them. Lastly, a generative model of topic analysis (Latent Dirichlet Allocation—LDA) described the content of the collection of documents, dividing it into the appropriate number of topics. The results yielded interesting insights across all domains, demonstrating the potential of automated text mining and topic analysis as a useful tool to support the researchers in dealing with complex and time-consuming subjects' reviews, integrating the work done with traditional reviewing methods. [ABSTRACT FROM AUTHOR]

Simple Summary: This study compared the muscle fiber composition of working and companion dog breeds to understand how their muscles adapt to breed-specific tasks. By analyzing the triceps brachii and biceps femoris muscles of 12 dogs, we found that working dogs had larger muscle fibers, a higher proportion of endurance-related fibers (types IIa and I), and more nuclei per fiber, which support strength and endurance. Companion dogs, on the other hand, had more fibers suited for short bursts of activity (type IIb) and fewer nuclei per fiber, suggesting slower muscle regeneration. These results highlight the role of selective breeding in shaping muscle structure and function in dogs. The structural and functional characteristics of skeletal muscle fibers play a crucial role in understanding the physical capabilities of dogs, particularly in relation to their breed-specific roles. This study aimed to compare the muscle fiber composition of working and companion dog breeds by analyzing the triceps brachii and biceps femoris muscles, focusing on fiber morphology, myosin heavy chain (MYH) isoform distribution, and nuclei per fiber. A total of 12 dogs, divided equally into working and companion breed groups, were used in this study. Muscle samples were collected post-mortem and prepared for histological analysis using cryosectioning. Immunohistochemical staining was employed to identify the expression of MYH isoforms, including MYH2, MYH4, and MYH7, which correspond to type IIa, IIb, and type I fibers, respectively. The results demonstrated significant differences between the two breed groups. Working dogs exhibited larger muscle fibers, a higher proportion of type IIa (MYH2) and type I (MYH7) fibers, and a greater number of nuclei per fiber, suggesting adaptations for endurance and strength. In contrast, companion dogs showed a higher proportion of type IIb (MYH4) fibers, indicative of their capacity for short bursts of activity rather than sustained exertion. Companion breeds also displayed a higher fiber density but fewer nuclei per fiber, which may contribute to slower muscle regeneration. These findings may provide insights into the muscle adaptations of dogs based on their breed-specific functional demands and highlight the importance of considering these differences in veterinary care and rehabilitation. The study underscores the influence of selective breeding on muscle structure and function in dogs and suggests further research into breed-specific muscle recovery mechanisms. [ABSTRACT FROM AUTHOR]

Use of detection dogs has emerged as an effective survey method for rare and cryptic species, outperforming traditional methods. However, there is little information available on how survey conditions may affect survey efforts. This study investigates the detection probability, effective sweep width, and search time of a detection dog working on‐lead in varying vegetation and weather conditions in Florida. We established 4 200‐m long transects in habitats with varying vegetation structure: open field, open canopy forest, closed canopy forest, and trail. American mink (Neogale vison) scat was set along each transect, in locations unknown to the detection dog handler, at distances ranging from 0 to 24 m from the transect. Vegetation and weather conditions were recorded for each survey. Between August 2021 and October 2022, we conducted 28 surveys (112 total transect surveys). Across all transects the detection dog located 66% of hidden scats (n = 384). We calculated an effective sweep width of 49 m (24.5 m on either side of the transect) and detection probability decreased with distance from transect line. Contrary to expectations, vegetation structure and weather conditions did not influence detection probability, but vegetation structure did affect search time, an important variable to consider when designing surveys. Search time increased with increases in understory vegetation obstruction and basal area. Conducting surveys on trails showed promise as an effective search method, having similar detection probability to off‐trail transects and faster search times than the closed canopy forest transect. Trail surveys may be particularly useful for areas that would otherwise be impassable, but their effectiveness may vary based on the target species' behavior. Our study underscores the importance of understanding search metrics in conservation detection dog surveys to design effective and appropriate surveys for anticipated field conditions. [ABSTRACT FROM AUTHOR]

OBJECTIVE To evaluate field-applicable cooling methods for treatment of exercise-induced hyperthermia in dogs. METHODS In this randomized, crossover study from June 27, 2023, to July 24, 2023, 12 working dogs exercised for 10 minutes until core body temperature reached 40.6 °C or above or 22 signs of heat stress were observed. Four different cooling protocols were evaluated: (1) neck chemical ice packs (2), (2) a wet (22 °C) neck towel, (3) wet (22 °C) axillae towels, or (4) voluntary head immersion ("dunking") into (22 °C) water. After intervention, dogs rested and were monitored for 40 minutes. RESULTS The dunking protocol, which included limited water ingestion, produced the lowest mean core temperature in the initial 5 minutes after exercise, in the subsequent 35 minutes during which dogs cooled to baseline temperature and was the only protocol to prevent the initial postexercise temperature rise. All methods resulted in return to baseline temperature. CONCLUSIONS Trained voluntary head dunk with limited water ingestion results in rapid cooling in field situations of exerciseinduced hyperthermia in dogs with normal mental status and ability to pause panting. CLINICAL RELEVANCE "Cool first, transport second" reduces morbidity and mortality of acute heat injury. When whole-body water immersion is not an option, the trained voluntary head dunk in mentally appropriate dogs prevents postexercise rise and rapidly reduces core body temperature within the first 5 minutes. Alternatively, allowing the dog to drink controlled amounts of cool water and pouring water on the dog's head may provide some benefit but warrants further study. [ABSTRACT FROM AUTHOR]

This project confronts the limited research available on the Gyroid structure, majorly used to achieve weight reduction. The fascinating thing about the Gyroid is its geometry, capable of replacing the conventional solid models. This paper specifically investigates the tensile strength and the impact strength of the Gyroid structure and compare with the conventional solid structure. The design of CAD model for both solid and gyroid structures were done using Autodesk Fusion 360, a 3D modeling software. The novelty of the work lies on the design of experimental samples and the material used. The current work involves dog bone shaped specimens for testing purpose, but in most of the literatures testing involves numerical simulations, in some cases experimental testing were conducted based on the unit cell structure. The novel photopolymer UV curable resin with the curable wavelength of 405 nm was used as the raw material. By comparison, the solid structure is superior to gyroid structure in terms of ultimate strength and yield strength. But in contrary, the gyroid structure provides better outcomes compared to solid structure in case of elongation and impact strength. [ABSTRACT FROM AUTHOR]

Human-Animal Interaction (HAI) has been significant since ancient times, initially with animals, especially dogs, assisting in hunting and food gathering. Over time, this relationship evolved into domestication, companionship, and therapeutic roles in society. In urban areas, pet ownership is widespread, driven by companionship, therapeutic benefits, and social status. This study focuses on urban pet owners due to structured work environments, allowing a clear examination of the relationship between HAI, animal welfare, and work performance. The study explores HAI's dual impact on animal welfare and the work performance of dog, cat, and bird owners. Key factors include psychological, social, and physical closeness in HAI; animal hygiene, physical activity, and loneliness for welfare; and work performance for owners. Data were collected from 404 pet-owning employees in Istanbul, with statistical analyses confirming tool validity. Results reveal a significant positive correlation (r = 0.568) between HAI and animal welfare, and a positive but smaller correlation (r = 0.215) between HAI and work performance. Findings support HAI's role in enhancing well-being, suggesting pet-friendly policies in workplaces to maximize benefits. [ABSTRACT FROM AUTHOR]

Simple Summary: The aim of this prospective study was to determine whether competition-associated exercise and stress could have a negative effect on urinary biochemical parameters and urinary uromodulin and albumin separated using SDS-PAGE electrophoresis in adequately trained dogs. The results showed that urine pH was affected by exercise and proteinuria levels changed immediately after physical exercise with a return to baseline within 2 h after the physical activity; moreover, quali-quantitative evaluation of the urinary proteome showed a significant increase in urinary albumin and a decrease in uromodulin after exercise. Urinalysis and the evaluation of the urinary proteome by SDS-PAGE electrophoresis proved to be a non-invasive and economic technique for investigating the health status and pre- and post-exercise changes in athletic and working dogs. The aim of the present study was to investigate the effects of exercise during canicross competition on urinary biochemical parameters and urinary proteins. Our results showed that, among the parameters analysed in routine urinalysis, pH was affected by exercise and albuminuria also showed changes immediately after physical exercise with a return to baseline within 2 h after the physical activity. In particular, SDS-PAGE electrophoresis allowed the separation of the urinary proteins on the basis of their molecular mass allowing a qualitative evaluation of the urinary proteome and a quantitative analysis of urine albumin and uromodulin, with a significant increase in urinary albumin and a decrease in uromodulin after exercise. In this study, urine was collected by spontaneous voiding and the use of this non-invasive sampling method proved useful in obtaining information on the health of the animals in the immediate moments before and after the competition without increasing the stress of the animals involved in the competition by any visits or invasive manipulations by veterinarians. [ABSTRACT FROM AUTHOR]

Disabled individuals can and do lead successful careers as assistance dog instructors. However, the international percentage of professional disabled instructors is significantly lower than their able-bodied colleagues. This paper takes an initial step in questioning the benefits and challenges of creating more accessible and inclusive career paths for disabled assistance dog instructors, hopefully acting as a springboard for future research, and initiating conversation within the assistance dog sector itself, as well. Some disabled individuals may have a disability, or combinations of more than one, which could challenge the welfare and wellbeing of the dogs they educate. Others may have a greater aptitude for educating assistance dogs and offering deeper empathy at times. This paper was inspired by the author's six years working as a guide dog instructor. It questions what the implications of a disabled trainer's career might be for the disabled individual, assistance dog, employer, and client. [ABSTRACT FROM AUTHOR]

Detection dogs are required to search for and alert to specific odours of interest, such as drugs, cadavers, disease markers and explosives. However, the odour released from different samples of the same target substance will vary for a number of reasons, including the production method, evaporation, degradation, or by being mixed with extraneous odours. Generalisation, the tendency to respond in the same manner to stimuli which are different – but similar to – a conditioned stimulus, is therefore a crucial requirement for working detection dogs. Odour is a complex modality which poses unique challenges in terms of reliably predicting generalisation, when compared with auditory or visual stimuli. The primary aim of this review is to explore recent advances in our understanding of generalisation and the factors that influence it, and to consider these in light of detection dog training methods currently used in the field. We identify potential risks associated with certain training practices, and highlight areas where research is lacking and which warrant further investigation. [ABSTRACT FROM AUTHOR]

Background: Physical activity alters the cardiovascular system of dogs depending on the exercise characteristics and the animal's physical conditioning. Little is known about the cardiovascular changes in working police dogs. This study evaluated the cardiovascular responses of working Labradors to regular exercise and various workload. Methods: Twelve working Labradors of Tamil Nadu police department that were regularly trained and exercised 30 minutes morning and evening and twelve normal household pet Labradors brought for regular checkup to Madras Veterinary College Teaching hospital were taken for the study. All the animals were subjected to physical, clinical, hematobiochemical, electrocardiographic examinations and cardiac auscultation before performing echocardiography. Those animals which showed normal recordings in all the above tests were further subjected to M-mode, pulsed wave and tissue doppler echocardiography. In this study, the resting heart rate values of working groups were lesser than that of normal pet dogs. Result: The results of echocardiography showed significant increase in Interventricular septal diameter during diastole, left atrial diameter, aortic artery diameter and the left atrium to aortic diameter ratio without impairing systolic and diastolic cardiac functions in working dogs. The present study indicated that there were few changes in the echocardiographic parameters which might be a response to physiological adaptation and regular exercise. [ABSTRACT FROM AUTHOR]

Aims: To obtain preliminary data on changes in gait from the use of a green-lipped mussel (Perna canaliculus) extract product in working farm dogs with musculoskeletal abnormalities using accelerometry. Methods: New Zealand working farm dogs (n = 32) with signs of musculoskeletal abnormalities were enrolled in a double-blinded, placebo-controlled cross-over study. Each dog was allocated to one of six groups to receive three trial substances (180 mg full fat green-lipped mussel extract (GLME180); 220 mg full fat green-lipped mussel extract (GLME220); placebo) in one of the six possible different orders. Each trial substance was administered orally once a day for an 8-week period, with a 4-week washout in between each. Dogs wore a collar-mounted triaxial accelerometer for the study duration. Diet and activity were not controlled. Accelerations were recorded continuously and analysed (n = 27) in 10-second activity epochs partitioned into daytime and night-time periods. Analysis of activity during the daytime period was limited to epochs when dogs were gaiting faster than a walk. The median and IQR of activity were determined for the daytime and night-time. Additionally, the 75th and 90th percentiles of daytime activity for each 24-hour period were determined. Mixed effects linear regression models were constructed to determine if each trial substance altered the response variables. Results: During the daytime, the 90th percentile was higher when dogs were given GLME220 compared with the placebo (β coefficient 2.6; 95% CI = 0.25–4.94; p = 0.03). Dogs that started the trial with the GLME products had a higher 90th percentile activity compared with dogs that began with the placebo (β coefficient 26.26; 95% CI = 0.45–52.06; p = 0.046). The 75th percentile for activity was not affected by the GLME product. The daytime IQR was larger when dogs were given the GLME180 product compared with the placebo (β coefficient 1.25; 95% CI = 0.12–2.37; p = 0.03). Night-time median activity and the IQR was greater in dogs that started the trial with the GLME products than in dogs that began with the placebo. The night-time IQR for activity was greater for GLME180 than for the placebo. Conclusions: Administration of a low dose of the GLME-containing product increased peak activity in working farm dogs with signs of musculoskeletal abnormalities and may improve their performance. Clinical relevance: Even mildly affected working farm dogs might benefit from support of their musculoskeletal abnormalities, and this particular GLME-based product shows promise as an adjunct to other management strategies. [ABSTRACT FROM AUTHOR]

Background: Age-related changes in physiological parameters are crucial in understanding the health and performance of working dogs, particularly those in demanding roles such as military and law enforcement. However, limited research exists on how aging affects the hematological and biochemical health of these dogs. Aim: This study aims to characterize age-related variations in hematological and biochemical parameters in working Belgian Shepherd dogs to provide insights that could inform health management strategies for these animals. Methods: Blood samples were collected from 26 male Belgian Malinois working dogs, categorized into three age groups: adults (2-6 years), seniors (7-10 years), and geriatrics (11+ years). Comprehensive hematological and biochemical analyses were conducted. Analysis of complete blood count was performed for a total of 16 parameters: red blood cell, white blood cell, packed cell volume, hemoglobin, platelet, neutrophil, basophil, leukocyte, monocyte, lymphocyte, and eosinophil counts. Mean cell volume, mean cell hemoglobin, mean corpuscular hemoglobin concentration, red cell distribution width, and mean platelet volume were subsequently determined. The biochemistry parameters included glucose, creatinine, urea, blood urea nitrogen:creatinive ratio, phosphorus, calcium, sodium, potassium, Na:K ratio, chloride, total protein, albumin, globulin, albumin:globulin ratio, as well as alanine aminotransferase, alkaline phosphatase, gamma glutamyl transeferase, total cholesterol, amylase, and lipase. Results: Significant age-related changes were observed in various parameters. Older dogs exhibited decreased creatinine and increased phosphorus and potassium levels, indicating potential changes in muscle mass, renal function, and electrolyte balance. Additionally, the albumin-to-globulin ratio decreased with age, reflecting shifts in protein synthesis and immune function. Conclusion: The study highlights important age-related variations in hematological and biochemical parameters in working Belgian Shepherd dogs. These findings emphasize the need for age-specific health management strategies to maintain the health, performance, and longevity of these dogs, thereby enhancing their effectiveness in critical service roles. [ABSTRACT FROM AUTHOR]

Objectives: This study aimed to evaluate the agreement between explosive detection dog (EDD) handlers and a team of veterinarians in assessing body condition score (BCS) and muscle condition score (MCS), hypothesizing significant BCS differences between handlers and veterinarians, and no significant MCS differences in healthy active duty EDDs. Methods: This prospective study analyzed variance and inter-rater intraclass correlation coefficients (ICC) of agreement within BCS and MCS assessments collected from the 43 EDDs by four blinded graders; the EDDs' respective handler and three veterinarians with varying levels of veterinary expertise. Results: The results of the study showed that 74.4% of the EDD population was graded as ideal BCS (4 or 5 out of 9) by the handlers compared to 67.44% by the members of the veterinary team; however, the graders scored different subsets of individual EDDs as ideal. Normal MCS (3 out of 3) was assessed in 86.05% (n = 37) of EDDs by the handlers versus in 70.54% by the veterinary team. Conclusion: This study highlights the importance of standardized training and guidelines for BCS and MCS assessments in working dogs to improve agreement between all members of the healthcare team. [ABSTRACT FROM AUTHOR]

Background: While complex dog–human coexistence has been deeply investigated, there is a relative scarcity of similar knowledge regarding dog–dog interactions. Social learning, a fundamental synchronizing mechanism between dogs and humans, was recently found to be influenced by the functional breed selection of dogs: with the cooperative breeds being more effective learners from a human demonstrator than the independent working breeds were. Here, we investigated whether these differences would also be present when dogs had to learn from another dog and how to effectively perform a detour around a transparent V-shaped obstacle. We tested dogs from 28 independent and 19 cooperative breeds in three consecutive trials. In the control groups, all dogs had to detour on their own the obstacle. In the dog demonstration groups, in trial 1, the subjects had to detour on their own, but before the next two trials, a trained dog showed them the solution. Results: We found that the performance of the two breed groups was the same in the without demonstration groups. However, after observing the dog demonstrator, the independent dogs learned the task more successfully than the cooperative breeds did. In the case of the independent working breeds, detour latencies significantly dropped along the consecutive trials, and these dogs also showed higher rate of successful detours after observing the demonstrator dog's action than in the control group. Conclusions: This is the first study where the consequences of functional breed selection were confirmed in a scenario that involved conspecific social learning in dogs. The results fit well to the ecologically valid framework of the evolutionary past of dog breed formation, in which cooperative breeds were selected for their interactivity with humans, whereas independent breeds often had to work together with their conspecifics. [ABSTRACT FROM AUTHOR]

Background: Effects of neutering on bitch health have been reported, and are suggested to relate to bitch age at the time of neutering for some diseases. However, variation between published studies in terms of study populations and methodologies makes comparison and consolidation of the evidence difficult. Objective: A scoping review was designed to systematically search the available literature to identify and chart the evidence on the effect of neutering timing in relation to puberty on five health outcomes: atopy, developmental orthopaedic disease (DOD), neoplasia, obesity and urogenital disease. Design: A protocol was registered, and literature searches were conducted in CAB Abstracts, Medline and Web of Science. Studies were reviewed against inclusion criteria. Data on study and population characteristics and health outcomes were charted for the final included studies. Results: A total of 1,145 publications were reviewed across all five searches; 33 were retained for inclusion and charting. Only six of the 33 studies categorised the timing of surgical neutering as prepubertal or post-pubertal; one investigating mammary neoplasia and the other five, urogenital disease, commonly urinary incontinence. No studies were identified that examined the impacts of neutering bitches before or after puberty on atopy, DOD or obesity. One study considered bitches that were pre or post-pubertal at the time of the first treatment with deslorelin acetate for oestrus suppression and 26 examined the effects on health related to age, rather than pubertal status, at neutering. Conclusion: This scoping review suggests that robust evidence to support veterinarians, those working with dogs and dog owners when discussing the timing of neutering relative to puberty does not yet exist. The impact of neutering before or after puberty on atopy, DOD, neoplasia, obesity and urogenital disease in female domesticated dogs remains unclear. [ABSTRACT FROM AUTHOR]

Canine vector-borne infections (CVBIs) are a global health problem. The military working dogs of Sri Lanka die at an early age, and CVBIs have been a leading speculated cause. We examined CVBIs in the working dogs of the Sri Lanka air force (SLAF) and free-roaming dogs (FRDs) and privately owned dogs (PODs) country-wide. Giemsa-stained smears were prepared and conventional PCR-positive DNA was subjected to sequencing and phylogeny. Of the 668 dogs sampled, 212 (31.7%) had one or more CVBIs. The prevalence of infections among the FRDs (40.0%) was significantly higher than SLAF working dogs (30.0%; χ2 = 10.5216; p = 0.0012) and PODs (26.2%; χ2 = 5.3414, p = 0.0208) but not between SLAF dogs and PODs (χ2 = 1.7655, p = 0.1838). Many infected dogs were asymptomatic (57.4%), which was higher among the FRDs. Seven infectious agents were identified: Babesia gibsoni, B. canis, Ehrlichia canis, Anaplasma platys, Leishmania sp., Hepatozoon canis, and filaria worms. The most common infection was B. gibsoni (13.8%), followed by E. canis (9.9%). Three tick species: Rhipicephalus linneai, Rhipicephalus haemaphysaloides and Haemophysalis bispinosa were found infesting the dogs. The SLAF dogs were thoroughly quarantined upon arrival, but the infection prevalence was similar to PODs. [ABSTRACT FROM AUTHOR]

Working dogs play integral roles across many human workplaces. This is no exception in the criminal justice system, and policing more specifically, where police dogs are used in various capacities. Many questions remain, however, regarding the public's perceptions of dogs in different working contexts. Drawing upon data from a sample of Canadian and American adults (n = 201) obtained via Amazon's Mechanical Turk, the present research explores public perceptions of working dogs' utilities, with an emphasis on police dogs. The findings reveal that while participants overwhelmingly supported working dogs in health and wellbeing contexts, they expressed more mixed perceptions regarding police dogs. The findings also reveal that police dogs' utilities are related to participants' overall support for police dogs, but that the specific relationship varies as a function of the utility. Amidst growing concerns regarding the use of police dogs, these findings may help police organizations incorporate evidence-based decision-making related to the deployment of police dogs moving forward. [ABSTRACT FROM AUTHOR]

Detection canines are deployed to detect explosives in a wide range of environmental conditions. These environmental conditions may have negative impacts on canine capabilities as a sensor. This study leveraged an air dilution olfactometer to present controlled odor concentrations of four different energetic materials (double base smokeless powder, Composition C4, ammonium nitrate, and flake Trinitrotoluene) to dogs working in a range of high temperature, standard, and low temperature conditions with high and low humidity conditions. The air dilution olfactometer controlled concentrations independent of environmental condition. Dogs' detection threshold limits were measured using a descending staircase procedure. We measured dogs' threshold twice for each energetic under each environmental condition. Results indicated heterogeneity in effects based on energetic, but all odors were detected at their lowest concentrations under standard conditions. Smokeless powder detection was reduced under all environmental conditions compared to standard and was least detectable under high temperature and humidity conditions. AN detection was poorest under high temperature high and low humidity conditions. C4 in contrast, was least detectable at low temperatures with high humidity. TNT detection was difficult under all conditions, so decrements due to environmental conditions were not statistically detectable. Additional measures were also found to be associated with detection limits. Under high temperature conditions, correlations were observed between canine mean subcutaneous temperature and detection limits, such that dogs experiencing greater temperature increases showed poorer detection limits. In addition, dog's latency to sample the odor port from the onset of a trial was longest in the high temperature conditions. Longer latencies were also predictive of poorer detection performance. Overall, dogs showed deficits in detection sensitivity limits under all environmental conditions for at least one energetic material when the concentration of that energetic material was not directly impacted by the environmental conditions. These results suggest that behavioral factors related to environmental exposure can have important impacts on canine detection sensitivity and should be considered in operational environments. [ABSTRACT FROM AUTHOR]

Background: Pancarpal arthrodesis (PCA) is a commonly performed procedure in the UK. However, it is not known whether working dogs in the UK and other European countries with carpal injuries that have undergone unilateral PCA are able to return to working ability as determined by the owner. Medical records from a referral hospital in the UK were reviewed retrospectively for cases of working dogs treated using unilateral PCA. Case files and radiographs were retrospectively analysed for cause of injury, diagnosis, and complications. The ability of the dog to work after surgery and owner satisfaction with the outcome were assessed using telephone questionnaire. Results: 50% (5/10, 50%) owners stated their dog could perform normal duties, 4/10 (40%) could perform most duties with some allowances. Outcome was not as good for dogs working on steep, uneven fell terrain. 80% (8/10, 80%) owners rated the level of post-operative lameness as unaffected with a normal gait. 90% (9/10, 90%) owners were either very satisfied or satisfied with the outcome of the procedure, and 90% owners stated the financial investment was worthwhile. Conclusions: Unilateral PCA carries a good prognosis for working dogs with high owner satisfaction. Caution should be advised for dogs expected to work on steep, uneven fell terrain. [ABSTRACT FROM AUTHOR]

OBJECTIVE: This cross-sectional study determined the 2-year period prevalence and quantified the impact on working status of noncombat injury and illness by a working score percentage (WSP) based on the number of duty days lost (DDL). ANIMALS: 126 dogs from 9 US Army Special Operations kennels. METHODS: Dog injury and illness events between May 1, 2021, and April 30,2023, were recorded to determine period prevalence and calculate a WSP metric to quantify loss of duty status. RESULTS: 93 health events occurred in 62 of 126 (49.2%) dogs over a 24-month period resulting in 4,130 DDL. The period prevalence was 25 of 126 (19.8%) for dental injuries, 20 of 126 (15.9%) for musculoskeletal injuries, and 13 of 126 (10.3%) for gastrointestinal illnesses. Musculoskeletal conditions resulted in the highest total DDL at 1,472 (35.6%) in 20 dogs, followed by neurologic conditions at 950 (23%) in 4 dogs and heat injuries at 521 (12.6%) in 7 dogs. The total population 24-month mean WSP was 88.1% (95% Cl, 86.6 to 89.5). The mean WSP for 43 dogs with acute events was 96.0% (95% Cl, 95.0 to 97.0), and the mean WSP for 14 dogs with chronic events was 55.2% (95% Cl, 47.8 to 62.5). CLINICAL RELEVANCE: Quantifying the impact of noncombat illness and injury on the working status of military working dogs is the first step to identify risk factors, develop preventive strategies, resource veterinary care requirements, and improve these canine athletes' health and welfare. The metrics developed in this study can be used to evaluate the population health of working, herding, and sport dogs. [ABSTRACT FROM AUTHOR]

Simple Summary: European citizens' perception of dogs and cats has shifted, calling for a more robust and appropriate approach to protect the welfare of these pets. While recent updates to EU legislation have aimed to improve some aspects of companion animal welfare, these measures remain insufficient and lack harmonization across Member States. The existing legal framework still falls short of establishing a comprehensive, high standard of care and protection for these animals. Key issues include unhealthy and unethical breeding practices, irresponsible sale and ownership, the complexities of transporting animals for both commercial and non-commercial purposes, and inadequate regulations on training methods and working dog conditions. Additionally, there are concerns about the regulation of dog and cat shows, competitions, therapeutic neglect, end-of-life care, shelter management, and the rights of free-ranging cat and dog populations. To address these issues more effectively, there is a need for more consistent legislation across Europe, coupled with increased education and awareness of responsible pet ownership. The One Welfare approach, which emphasizes the interconnectedness of human and animal welfare, could also play a crucial role in bridging these legislative gaps, ensuring that the human–animal bond is better integrated into modern society's welfare considerations. However, despite these efforts, many challenges remain unresolved, highlighting the need for further legislative action and societal engagement to fully protect companion animal welfare. Companion animals, especially dogs and cats, have increasingly been recognized as moral subjects and valued as family members by European citizens. This new role encourages policy makers to face the many companion animals' welfare issues not yet covered by the EU legislation. The main gaps in the protection of dog and cat welfare during their all lifespan have been identified: unhealthy and unethical breeding practices, irresponsible sale and ownership, transport for commercial and non-commercial purposes, training methods, working dog conditions and rights, regulation of dog and cat shows and competitions, the therapeutic neglect, dog and cat end-of-life care, shelter management legislation and the free-ranging cat and dog population rights. The EU legislation framework is still very weak and far from establishing a harmonized approach, promoting a high standard of care and protection across Member States. We conclude that education and awareness regarding responsible pet ownership and the need for a One Welfare approach have a high value in finding adequate solutions, especially when poor human social welfare affects companion animal welfare. Given the link between human and companion animal welfare, the use of stakeholders' involvement strategies and a transdisciplinary approach appear crucial for the development of an EU legal framework for the well-being of dogs and cats. [ABSTRACT FROM AUTHOR]

Simple Summary: The performance of search dogs is limited by their ability to cool down their body because the main cooling ability—panting—contradicts sniffing. We investigated the effect of hot environments on the general body condition of detection dogs working in Kenya. These dogs search for cheetah scats in their arid and hot habitat, where it is especially challenging for them to work. After a working day in the fields, these dogs showed a softer stool, which means a higher stress level, and elevated body temperature during the routine check-in the next morning. Our results showed that the use of search dogs in hot conditions is possible and useful but requires increased attention to prevent heat-related illness. Body temperature is an important physiological parameter that influences the performance of working dogs. The main cooling mechanism in dogs is panting to support evaporative cooling, which reduces the dog's ability to detect scents. In this study, we investigated the general body condition of four detection dogs searching for cheetah scats in a hot environment in northern Kenya. We evaluated the effect on the dog's body temperature post-work in the short term (within hours) and long term (12–24 h). The fecal consistency and mean body temperature of the investigated dogs differed significantly between individuals but not between locations (moderate Nairobi and hot Samburu). On the morning after fieldwork, the dogs showed a significantly increased body temperature (37.9 ± 0.8 °C) compared to resting days (37.5 ± 2.2 °C). In the short term, on the first day of fieldwork, the dog's body temperature (n = 2) decreased after 10 min of rest. On the second consecutive day of fieldwork, the 10-min recovery period was too short, and the body temperature did not decrease significantly. Our data showed that the use of detection dogs in hot conditions is possible and useful but requires increased attention to prevent heat-related illness. [ABSTRACT FROM AUTHOR]

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Simple Summary: The main components of dogs' species-specific behavior are thought to be mainly influenced by domestication. This implies that these phenotypes are expected to be present almost uniformly across the vast number and variety of dogs. However, the evolution of dogs did not end with domestication, as humans subsequently selected them for distinctly different tasks and levels of interactivity with their handlers. We hypothesized that 'cooperative' dog breeds would also show higher levels of dependency toward humans in a difficult problem-solving task than those dogs that were selected for being independent problem solvers. Our target behavior was 'looking back at the human', which is a typical reaction of socialized dogs to a difficult task. Indeed, cooperative dogs performed more gaze alternations between the reward and the nearby humans, and they looked back more than the independent dog breeds did. Importantly, the results cannot be explained by different levels of persistence between the breed types. Functional selection in the recent past of dogs can be considered as an excellent basis for biologically relevant explanations for the breed-level variability in dog behavior. It is still largely unknown to what extent domestication, ancestry, or recent functional selection are responsible for the behavioral differences in whether dogs look back to a human when presented with a difficult task. Here, we tested whether this ubiquitous human-related response of companion dogs would appear differently in subjects that were selected for either cooperative or independent work tasks. We tested N = 71 dogs from 18 cooperative and 18 independent breeds. Subjects learned in a five-trial warming-up phase that they could easily obtain the reward from a container. In trial six, the reward became impossible to take out from the locked container. When the task was easy, both breed groups behaved similarly, and their readiness to approach the container did not differ between the last 'solvable' and the subsequent 'unsolvable' trial. Task focus, looking at the container, touching the container for the first time, or interacting with the container with a paw or nose did not differ between the breed groups, indicating that their persistence in problem solving was similar. However, in the 'unsolvable' trial, cooperative dogs alternated their gaze more often between the container and the humans than the independent dogs did. The frequency of looking back was also higher in cooperative dogs than in the independent breeds. These are the first empirical results that suggest, in a balanced, representative sample of breeds, that the selection for different levels of cooperativity in working dogs could also affect their human-dependent behavior in a generic problem-solving situation. [ABSTRACT FROM AUTHOR]

Simple Summary: All over the world, kennels are held by different kinds of breeders: occasional, regular hobby, and professional breeders. Even if these dog breeders have various breeding practices, manage canine populations of very different sizes, and have various final purposes (i.e., companion dogs or working dogs), all conscientious breeders of dogs have the same priority: the health and wellbeing of their animals. Although parasites are extremely common pathogens in all dogs, they are particularly problematic in breeding kennels as they can interfere with breeding performance and the health of dogs. This review aims to explain why breeding kennels are predisposed to parasitic infestations, how the most common parasites can influence dog breeding performance and health, and how to prevent parasite infestations in this specific environment. Parasitic infestations in dogs are frequent, particularly in breeding kennels, being a cause of suffering in animals and economic loss for breeders. In breeding bitches, some parasites may cause abortion, and in puppies they may be responsible for neonatal mortality, weaning diarrhea, or neurological clinical signs. This review aims to investigate the factors of predisposition, diagnostics, and control in relation to the most frequent parasitic diseases in breeding kennels. It highlights that the control of parasitic diseases in dogs at the population level is complex. A holistic multidisciplinary and pluritechnical approach is thus needed to deal with endoparasitoses. [ABSTRACT FROM AUTHOR]

Tick‐borne pathogens (TBPs) are an emerging concern to humans and animals in the Republic of Korea, especially within the military zones of Gangwon Province, a mountainous region abundant with wild fauna and ticks. This study aimed to detect six TBPs in military working dogs (MWDs) and ticks in this region using Nested polymerase chain reaction (nested PCR) and sequencing. The targeted pathogens included Anaplasma phagocytophilum, Bartonella henselae, Borrelia spp., Orientia tsutsugamushi, Severe fever with thrombocytopenia syndrome virus (SFTSV) and tick‐borne encephalitis virus (TBEV). A total of 164 serum samples from MWDs were collected at the Korean Army Military working dog training center and 1418 ticks were collected at various training sites between June 2021 and August 2022. Haemaphysalis longicornis was identified as the predominant species (98.3%, n = 1394), followed by Haemaphysalis flava (1.6%, n = 22) and Ixodes nipponensis (0.1%, n = 2). This study detected A. phagocytophilum and Borrelia theileri in 1.4% (1/72) of the tick pools and detected SFTSV in 0.6% (1/164) of MWD serum samples. The MWD found to be infected with SFTS was a German Shepherd, but showed no significant clinical signs, with a normal complete blood count (CBC). In the phylogenetic analysis, three sequences were acquired. One sequence (OR865211) exhibited 100% homology with 16S rRNA of A. phagocytophilum identified from animals and human patients in the Republic of Korea. Another sequence (OR865152) displayed 99.34%–100% sequence similarity with 16S rRNA of B. theileri fragments. The third sequence (OR865115), which belongs to the SFTS B‐1 genotype, showed 94.7% sequence similarity to a strain identified in the Republic of Korea (KY789441). [ABSTRACT FROM AUTHOR]

Simple Summary: Physical activity is often associated with stress and production of radical oxygen species able to alter the composition of the intestinal microbiota. Usually, sporting dogs present gastrointestinal disorders with a dysbiotic intestinal ecosystem; this alteration is also found in various pathological states. To date, it is not yet clear whether dysbiosis is a cause or a consequence of disease. Given the importance of reducing the damage of an intestinal imbalance as much as possible, we evaluated the effectiveness of a specific nutraceutical product, Microbiotal cane®, in limiting the dysbiotic condition found in sporting dogs. The results obtained from the present study show the ability of Microbiotal cane® to maintain the concentration of beneficial bacterial species like Faecalibacterium spp., Turicibacter spp., Fusobacterium spp., and Clostridium hiranonis, reducing the increase in the harmful ones like Streptococcus spp. and E. coli usually found increased in athlete dogs. Additionally, the dysbiosis index reports a value lower than zero, falling within the normobiosis values, which was not observed in dogs that were not taking the nutraceutical product. Dog sledding is the main discipline of working dogs on snow, consisting of a team of dogs pulling a sled under the guidance of the owner. To carry out this sport, dogs must have adequate nutrition and vitamin and antioxidant supplementation to ensure that the physical effort is optimal. The present study evaluated the effect that sporting activity and stress have on the canine intestinal microbiota by dividing the dogs into two groups: a control group that did not take any nutraceutical products and the treated group to which a nutraceutical product was administered. The nutraceutical administered in this study is used in all cases of canine intestinal dysbiosis in which it is essential to quickly restore a balanced intestinal microbiota. The results obtained show that in dogs not taking the nutraceutical, there is an increase in bacteria, such as Streptococcus spp. and E. coli, considered enteropathogenic to the detriment of beneficial bacterial species such as Faecalibacterium spp., Turicibacter spp., Blautia spp., Fusobacterium spp., and Clostridium hiranonis. Instead, the group of dogs treated with nutraceutical displays a lower amount of enteropathogenic bacteria and a great increase in the other bacterial species considered beneficial for the animal's health. The results obtained in the present study show that Microbiotal cane® can be used in dogs subject to intense sporting activity by preventing severe alterations at intestinal ecosystem levels by maintaining intestinal bacterial composition as balanced as possible. [ABSTRACT FROM AUTHOR]

This article takes the case of therapy dogs who visit hospitals, care homes, schools and universities in Britain and asks whether we should conceptualise what they are doing as work. Marx defined the capacity to work as what sets humankind apart from other animals, but more recent analysts see similarities between animals and humans in their capacity to work. Animal work is often defined through training and the acquisition of skills; for therapy dogs, however, training is not required, and their skills go unrecognised. Drawing on a study of therapy dog visits to a British university and using a methodology that attends to the experiences of the dogs as well as the human actors, we argue that therapy dogs engage in emotional work and body work and that the concepts of 'encounter value' and 'feeling power' need to be deployed to theorise the work they are doing. [ABSTRACT FROM AUTHOR]

Dogs can discriminate stressed from non-stressed human odour samples, but the effect on their cognition is unstudied. Using a cognitive bias task, we tested how human odours affect dogs' likelihood of approaching a food bowl placed at three ambiguous locations ("near-positive", "middle" and "near-negative") between trained "positive" (rewarded) and "negative" (unrewarded) locations. Using odour samples collected from three unfamiliar volunteers during stressful and relaxing activities, we tested eighteen dogs under three conditions: no odour, stress odour and relaxed odour, with the order of test odours counterbalanced across dogs. When exposed to stress odour during session three, dogs were significantly less likely to approach a bowl placed at one of the three ambiguous locations (near-negative) compared to no odour, indicating possible risk-reduction behaviours in response to the smell of human stress. Dogs' learning of trained positive and negative locations improved with repeated testing and was significant between sessions two and three only when exposed to stress odour during session three, suggesting odour influenced learning. This is the first study to show that without visual or auditory cues, olfactory cues of human stress may affect dogs' cognition and learning, which, if true, could have important consequences for dog welfare and working performance. [ABSTRACT FROM AUTHOR]

Introduction: This study aimed to identify the pathophysiologic causes of death following traumatic injuries in military working dogs (MWDs) and determine the risk factors associated with mortality in MWD following traumatic injuries. The results of this study will allow for better targeting of interventions to ameliorate these pathophysiologic causes of death and inform research priorities directed at the pathophysiology that leads to the death of MWDs. Methods: The final dataset for this study was compiled by using two previously established datasets. Based on review of available data and supplemental records (when available), MWDs in which a definitive cause of death could be determined were included in the study population. These MWDs were assigned a cause of death based on categories previously identified in studies evaluating service member casualties. A group of MWDs who survived their traumatic injury and had similar mechanisms of injury and types of injury to the deceased MWDs were included to allow for comparison and establishment of risk factors associated with MWD death. Variables collected included breed, age, sex, mechanism of injury, survival/nonsurvival, type of trauma, mechanism of injury, pathophysiology that led to death and pre-hospital care provided. Statistical analysis included Fishers exact test for categorical variables and univariable and multivariable logistic regression to identify factors associated with the MWD death. Results: A total of 84 MWDs (33 non-survivors and 51 survivors) were included in this study. Of the 33 MWDs that died, 27 (81.8%) were noted to be dead on arrival. The pathophysiologic causes of death were found to be hemorrhage (45.5% [n = 15]), head trauma (21.2% [n = 7]), catastrophic tissue destruction (15.2% [n = 5]), pneumothorax (9.1% [n = 3]) and one (3% [n = 1]) of each of the following: septic shock, asphyxiation and burns. Military working dogs that did not receive non-DVM care were 3.55 times more likely to die than those that did receive non-DVM care (95% CI 1.03--12.27). The majority of MWDs died of their injuries before reaching veterinary care. Discussion: To increase the survival of MWDs on the battlefield, further research should focus on developing new interventions and techniques to mitigate the effects of the pathophysiology noted to cause MWD death. Furthermore, given that care by a non-DVM was found to be associated with survival, the implementation of pre-hospital care and early resuscitation techniques should be a continued priority for those treating MWDs at both the point of injury and in the prehospital setting. [ABSTRACT FROM AUTHOR]