18 results on '"HVE"'
Search Results
2. Essential farmers? Views And Challenges Through Role Strain Perceived By Organic Farmers
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Benoist, Sandrine, Val de Loire Recherche en Management (VALLOREM), Université d'Orléans (UO)-Université de Tours (UT), Université de Tours, Qualipsy (EE1901), Vallorem (EA6296), IRJI, and BENOIST, Sandrine
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Tensions de rôle ,Risques psychosociaux ,Agriculture biologique ,Agriculteurs ,Farmer group ,Travailleuses essentielles ,Job Strain ,Stress professionnel ,Paradox ,Bio ,Paradoxe ,[SDV.EE]Life Sciences [q-bio]/Ecology, environment ,Role theory ,Modèle agricole ,Farmers ,Monde agricole ,Agriculteurs biologiques ,Exploitants agricoles ,Agricultrices ,[SDV.SA.AEP] Life Sciences [q-bio]/Agricultural sciences/Agriculture, economy and politics ,Agricultrices biologiques ,Agriculture ,[SDV.SA.AEP]Life Sciences [q-bio]/Agricultural sciences/Agriculture, economy and politics ,HVE ,Ressources adaptatives ,[SDE.ES]Environmental Sciences/Environmental and Society ,Théorie des rôles ,Role Strain ,[SDV.EE] Life Sciences [q-bio]/Ecology, environment ,Haute Valeur environnementale ,Travailleurs essentiels ,Essential workers ,Facteurs psychosociaux de risques ,Organic Farmers ,[SHS.GESTION]Humanities and Social Sciences/Business administration ,[SDE.ES] Environmental Sciences/Environmental and Society ,[SHS.GESTION] Humanities and Social Sciences/Business administration ,Covid-19 - Abstract
The unprecedented health crisis we have been through has highlighted a unique category of women and men: essential workers (Lazar et al., 2020). Among these actors, farmers occupy a special place. Indeed, the tensions observed during the first lockdown highlighted the centrality of their work, between issues of productive sovereignty (Cohen, 2020; De Boissieu, 2020; Dumont, 2020; Gaillard, 2020), place of a local food offer, accessible and available (Neveu, 2020; Rastoin, 2020) and environmental challenges. Covid-19 has put our society in front of the limits of a productivist and intensive agricultural model that has become obsolete, and in this context, organic farmers are an interesting population for several reasons. While it enjoys a generally positive social perception and has benefited from renewed consumer interest (FranceAgriMer, 2020), it is not free from criticism, such as the supposed impossible access to all (scarcity) and for all (high cost) of its products (Kressman, 2021). The analysis of the discourse of these committed actors highlights many role strain (Katz and Kahn, 1966; Perrot, 2000; Djabi and Perrot, 2016; Arras-Djabi and al., 2021), inviting us to consider the agriculture we want at the dawn of a post-covid society. It also questions our expectations and paradoxes of organic farmers., La crise sanitaire inédite que nous avons traversée a mis en lumière une catégorie singulière de femmes et d’hommes : les travailleuses et les travailleurs essentiels (Lazar et al., 2020). Parmi ces acteurs, les agricultrices et agriculteurs occupent une place à part. En effet, les tensions observées à l’occasion du premier confinement ont mis en lumière la centralité de leur travail, entre enjeux de souveraineté productive (Cohen, 2020 ; De Boissieu, 2020 ; Dumont, 2020 ; Gaillard, 2020), place d’une offre alimentaire de proximité, accessible et disponible (Neveu, 2020 ; Rastoin, 2020) et défis environnementaux. Le Covid-19 a mis notre société face aux limites d’un modèle agricole productiviste et intensif devenu obsolète, et dans ce contexte, les agricultrices et agriculteurs biologiques constituent une population intéressante à plusieurs titres. Si elle jouit d’une perception sociale globalement positive et a bénéficié du regain d’intérêt des consommateurs (FranceAgriMer, 2020), elle n’est pas exempte de critiques, telles le supposé impossible accès à tous (rareté) et pour tous (cherté) de ses produits (Kressman, 2021). L’analyse du discours de ces acteurs engagés met en lumière des tensions de rôle (Katz et Kahn, 1966 ; Perrot, 2000 ; Djabi et Perrot, 2016 ; Arras-Djabi et al., 2021) nombreuses, nous invitant à réfléchir à l’agriculture que nous voulons à l’aube d’une société post-covid. Elle interroge aussi nos attentes et nos paradoxes à l’égard des agricultrices et agriculteurs biologiques.
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- 2022
3. Diffamation, dénigrement, procédure bâillon ?
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RAFFRAY, Ronan, Institut de recherche en droit des affaires et du Patrimoine (IRDAP ), and Université de Bordeaux (UB)
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Jurisprudence ,[SHS.DROIT]Humanities and Social Sciences/Law ,Certification environnementale ,HVE - Abstract
Consécutivement à cette décision, la justice a parfois été accusée dans la presse d’avoir fait droit à une demande dite « bâillon », protectrice des intérêts de la filière, représentée à l’instance par le Conseil interprofessionnel du vin de bordeaux (CIVB). Il est donc nécessaire et instructif d’observer le détail de la motivation de ce jugement du tribunal de Libourne, largement diffusé, en situant cette affaire dans le contexte environnemental propre au vignoble bordelais, de sorte que chacun puisse s’appuyer sur des éléments tangibles pour forger son opinion.
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- 2022
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4. Artificial intelligence based thermographic approach for high voltage substations risk assessment.
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Žarković, Mileta and Stojković, Zlatan
- Abstract
This study deals with the condition monitoring of high voltage equipment (HVE) and risk assessment in transmission power systems. Artificial intelligence is applied to use the currently available information to calculate operational risk, and take appropriate operational measures to deal with the upcoming system states. The study presents a method based on the thermographic approach for determining urgency of intervention of HVE. Age of the HVE, voltage level, overheating temperature of the hot spot, temperature of the previous overheating, dissolved gas analysis, frequency response analysis, temperature of oil insulation, the number and time of operations and gas leaking have been used as the reference inputs for the designed fuzzy controller. The results of such methods have been combined with economic factors and applied in risk maps. The method of minimal paths and method of minimal cross‐section are modified to use fuzzy numbers. These methods are used to analyse the performance of high voltage substations. System performance index is calculated to make a proper decision about reconfiguration and maintenance planning. The results might serve as a good orientation in the HVE condition monitoring and they are implemented in the asset management of transmission power systems using risk map. [ABSTRACT FROM AUTHOR]
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- 2015
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5. Inquérito sorológico da infecção por herpesvírus equino no Estado de Minas Gerais
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Maria do Carmo Custódio de Souza Hunold Lara, Camila Souza Torelli, Elenice Maria Sequetin Cunha, Eliana Monteforte Cassaro Villalobos, Mariana Sequetin Cunha, Ana Cristina P. P. Bello, Arildo P. Cunha, Jenner K. P. Reis, Rômulo Cerqueira Leite, and Enio Mori
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Equídeos ,Estado de Minas Gerais ,Herpesvírus equino ,HVE ,Animal culture ,SF1-1100 - Abstract
Os herpesvírus equinos tipo 1 (HVE-1) e 4 (HVE-4) são agentes causadores de diferentes formas de doença em cavalos, das quais as mais comuns são a rinopneumonite, o abortamento, a mortalidade perinatal e a mieloencefalopatia herpética equinas, que causam grandes perdas econômicas. Tem sido descrita mundialmente, havendo poucos estudos no Brasil. O objetivo do presente trabalho foi estudar a ocorrência e a distribuição da infecção por herpesvírus equinos (HVE) em equídeos criados em dez Delegacias Regionais do Estado de Minas Gerais: Almenara, Bambuí, Curvelo, Governador Valadares, Montes Claros, Oliveira, São Gonçalo do Sapucaí, Teófilo Otoni, Unaí e Viçosa. Foi utilizada a técnica de soroneutralização em microplacas com o intuito de detectar anticorpos soro neutralizantes. Das amostras analisadas, 17,6% (145/826) foram soropositivas para o HVE, sendo 18,7% (140/749) cavalos soropositivos, 6,8% (5/73) muares soropositivos e nenhum asinino soropositivo (0/4). Conclui-se que o HVE-1 encontra-se amplamente disseminado no Estado de Minas Gerais, pois todas as regiões estudadas apresentaram animais sororreagentes ao HVE-1. Observou-se maior ocorrência de anticorpos contra o HVE em animais adultos, indicando assim o potencial desses animais como fonte de infecção para os potros.
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- 2010
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6. Quantitative and qualitative analysis of particulate production during simulated clinical orthodontic debonds
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Johnston, Nicola J., Price, Robert, Day, Christian J., Sandy, Jonathan R., and Ireland, Anthony J.
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QUANTITATIVE chemical analysis , *QUALITATIVE chemical analysis , *SIMULATION methods & models , *ORTHODONTICS , *DENTAL bonding , *DENTAL enamel , *PARTICULATE matter , *SURGICAL equipment - Abstract
Abstract: Objectives: The objectives of this investigation were firstly to quantitatively and qualitatively determine particulate production during orthodontic debond and enamel cleanup procedures, and secondly to examine what methods can be employed to minimize operator exposure to such dust particles. Methods: A qualitative study was performed to determine the aerodynamic diameters and compositions of particulates produced during simulated clinical debonds and enamel cleanup procedures on extracted teeth. In each case the enamel was cleaned using tungsten carbide burs in either a high or slow speed handpiece, with or without water coolant spray, with or without high volume evacuation (HVE) or a face mask. Results: The use of a high speed handpiece with a tungsten carbide bur and water irrigation at enamel cleanup produced the greatest concentration of respirable particulates. Within this dust, calcium, phosphorus, aluminum and silicon were the most commonly found elements. The dust levels observed did not exceed limits advised for respirable dusts in general. However, the concentration of silica within the dusts created is unknown. The face mask and HVE were effective at reducing exposure to respirable particles, but the mask was most effective, reducing exposure by up to 96%. Significance: A face mask is an effective means of reducing dust inhalation and is advised for all clinical procedures that produce dusts. [Copyright &y& Elsevier]
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- 2009
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7. Segni e territorio: quale co-design per quali modelli giuridici
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DI LAURO, Alessandra
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co-design giuridico ,co-partecipazione ,democraticità dei modelli giuridici . segni del territorio ,HVE ,sesto segno ,co-design giuridico, co-partecipazione, democraticità dei modelli giuridici . segni del territorio, sesto segno, HVE - Published
- 2020
8. Pourquoi et comment étoffer un système de management environnemental d’une entreprise viti-vinicole ?
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Chauveau, Lise, Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Château de Flaugergues, 1744 avenue Albert Einstein, 34000 Montpellier, and Didier Ollé
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ISO 14001 ,Écoresponsabilité ,Sustainable development ,SME ,[SDV.SA.AGRO]Life Sciences [q-bio]/Agricultural sciences/Agronomy ,Eco-responsibility ,Entreprise vitivinicole ,HVE ,Terra Vitis ,Dévelopement durable - Abstract
An environmental management system (EMS) is a business management tool that aims to identify and control the environmental impacts of its activities. It is a voluntary approach by companies wishing to address the many current environmental challenges such as climate change. Since 2015, Château de Flaugergues, a wine-growing folly in Montpellier, has been a member of the Terre de Languedoc Roussillon association, which has enabled it to obtain ISO 14001 collective certification. The principle of this standard is based on respect for the environment through pollution prevention and risk management. In order to develop the EMS and make the process more visible, two other certifications have been implemented : HVE (High Environmental Value) and Terra Vitis. These are aimed at promoting sustainable agriculture by reducing environmental impacts. They make it possible to affix a logo to the final product, which allows a better recognition of the approach taken. The development of the EMS also requires the search for ecoresponsible partnerships, such as with the Atelier du Papier Soleil for waste recovery. Finally, communication, internally with staff to involve them in the process, and externally to promote the EMS to stakeholders, is essential to its development.; Un système de management environnemental (SME) est un outil de gestion des entreprises qui vise à identifier et maîtriser les impacts de leurs activités sur l’environnement. C’est une démarche volontaire de la part des entreprises souhaitant faire face aux nombreux enjeux environnementaux actuels. Depuis 2015, le Château de Flaugergues, folie viticole à Montpellier, est membre de l’association Terre de Languedoc-Roussillon, ce qui lui a permis d’obtenir la certification collective ISO 14001. Le principe de cette norme repose sur le respect de l’environnement par la prévention des pollutions et la gestion des risques. Afin de développer le SME et de rendre plus visible la démarche initiée, deux autres certifications ont été mises en place : HVE (Haute Valeur Environnementale) et Terra Vitis. Celles-ci ont pour objectif de promouvoir une agriculture durable. Elles permettent d’apposer un logo sur le produit final, ce qui permet une meilleure reconnaissance de la démarche engagée. Le développement du SME passe également par la recherche de partenariats éco-responsables, comme par exemple avec l’Atelier du Papier Soleil pour la valorisation des déchets. Enfin, la communication, en interne avec le personnel pour l’impliquer dans la démarche, et en externe pour mettre en avant le SME auprès des parties prenantes, est essentielle à son étoffement.
- Published
- 2019
9. HERPÈSVIROSES DES ÉQUIDÉS : INTÉRÊTS ET LIMITES DES OUTILS DE GÉNÉTIQUE MOLÉCULAIRE.
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Pronost, Stéphane, Hue, Erika, Legrand, Loïc, Pitel, Pierre-Hugues, and Fortier, Guillaume
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- 2011
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10. Herpèsviroses des équidés: intérêts et limites des outils de génétique moléculaire
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Loïc Legrand, Guillaume Fortier, Stéphane Pronost, Erika Hue, Pierre-Hugues Pitel, Laboratoire Frank Duncombe, LABÉO, Pôle d’analyses et de recherche de Normandie (LABÉO), Académie vétérinaire de France, and HUE, Erika
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[SDV.BA.MVSA]Life Sciences [q-bio]/Animal biology/Veterinary medicine and animal Health ,General Veterinary ,biology ,Transmission (medicine) ,viruses ,[SDV.BA.MVSA] Life Sciences [q-bio]/Animal biology/Veterinary medicine and animal Health ,Disease ,biology.organism_classification ,medicine.disease_cause ,Virology ,PCR ,horse ,herpesvirus ,EHV ,typing ,Virus ,Herpesviridae ,Equine viral arteritis ,Immunology ,medicine ,Typing ,Equine herpesvirus ,ComputingMilieux_MISCELLANEOUS ,HVE ,cheval ,herpèsvirus ,typage ,Subclinical infection - Abstract
At least five equine herpesviruses are known to infect horses : three alpha herpesviruses (equine herpesvirus-1, -3 and -4) and two gamma herpesviruses (equine herpesvirus-2 and -5). Equine herpesvirus-1 is responsible for three clinical presentations : respiratory, abortigenic and neurological. This latter, widely known as EHV-1 associated, myeloencephalopathy has been thoroughly investigated over the past years. Most of the studies focused on the relation between the presence of a mutation in ORF 30 coding for DNA polymerase and the expression of the paralytic (neurological) form. Even if this mutation seems to play a role, other factors related to the host and the environment are certainly involved in the development of the disease. Equine herpesvirus-4 is better known as the rhinopneumonia virus and is responsible for a large part of respiratory disorders in young foals. Equine herpesvirus-3 is responsible for equine coital exanthema, whose transmission through the respiratory tract is now proven. Equine herpesvirus-2 and -5 are associated with subclinical respiratory diseases in equine athletes, even though their pathogenic role has yet to be clarified as they were detected in all continents only relatively recently. The development of molecular genetic tools lead to major progress in the detection of these viruses, but the differentiation between latent and infectious forms is still unresolved. Although studies are currently performed on the typing of strains responsible for different clinical presentations involving equine herpesviruses as well as in other equine viruses (influenza, equine viral arteritis), there is no international consensus on a phylogenic tree for any of the 5 equine herpesviruses. Further studies are definitely required to monitor and characterise the different strains of EHV., Au moins cinq herpèsvirus équins peuvent infecter le cheval : trois alpha-herpèsvirus (les herpèsvirus 1, 3 et 4) et deux gamma-herpèsvirus (les herpèsvirus équins 2 et 5). L’herpèsvirus équin 1 est responsable de trois formes cliniques : une forme respiratoire, une forme abortive et une forme neurologique. Cette dernière, plus connue sous le nom de myéloencéphalopathie à HVE-1, a fait l’objet de nombreuses études ces dernières années. La plupart des travaux ont porté sur la relation entre la présence d’une mutation dans l’ORF 30 codant l’ADN polymérase et l’expression de la forme paralytique. Si cette mutation semble jouer un rôle, d’autres facteurs liés à l’hôte et à l’environnement participent certainement au développement de la maladie. L’herpèsvirus équin 4 est plus connu sous le nom de virus de la rhinopneumonie et est responsable d’une part importante des affections respiratoires chez les jeunes poulains. L’herpèsvirus équin 3 est responsable de l’exanthème coïtal équin et l’on sait aujourd’hui qu’il peut se transmettre par les voies respiratoires. Les herpèsvirus équins 2 et 5 sont associés aux maladies respiratoires subcliniques du cheval athlète même si leur rôle reste à préciser, leur découverte sur l’ensemble des continents étant relativement récente. Le développement des outils de génétique moléculaire a permis de faire des progrès importants dans la détection de ces virus même si un challenge demeure : différencier les formes latentes des formes infectieuses. Si comme pour d’autres virus équins (ex : grippe, artérite virale équine), des travaux sont réalisés pour typer les différentes souches responsables de différentes formes d’expression de la maladie, il n’existe toujours pas de consensus international sur un arbre phylogénique pour aucun de ces cinq herpèsvirus équins. Le suivi et la caractérisation des différentes souches d’HVEs sont très certainement l’autre défi de demain., Pronost Stéphane, Hue Érika, Legrand Loïc, Pitel Pierre-Hugues, Fortier Guillaume. Herpèsviroses des équidés: intérêts et limites des outils de génétique moléculaire. In: Bulletin de l'Académie Vétérinaire de France tome 164 n°4, 2011. pp. 305-316.
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- 2011
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11. Le défi de la mise en culture bio d'une plante aromatique et médicinale dans un contexte pharmaceutique : produire l'immortelle d'Italie (Helichrysum italicum subsp. italicum) dans le respect de la politique qualité du groupe Pierre Fabre
- Author
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Diot, Camille, AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Pierre Fabre Agronomie, 16 rue Jean Rostand, 81600 Gaillac, and Alexandre Panel
- Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences ,agriculture biologique ,plante médicinale ,plantation sur butte ,GACP ,itinéraire de culture innovant ,récolte ,HVE ,suivi qualité ,mécanisation ,réglementation ,Immortelle d'Italie ,huile esentielle - Abstract
The essential oil (EO) of everlasting (Helichrysum italicum subsp. italicum) is subject to increasing demand from aromatherapy users. Naturactive asked Pierre Fabre Agronomy (AFP) to produce, in the Tarn (France), 90 kg / year of this organic EO, which has led to study its cultivation in compliance with the Quality policy of PFA. It is a complex one, because PFA is committed to a stringent environmental policy and the GACP (Guideline on good Agricultural and Collection Practice for herbal medicinal products), in addition to organic rules. The inventory of (regulatory, agronomic, technical and economic) constraints has led to: improved regulatory tools of quality monitoring; the creation of a cultural process (CP); a mechanized plantation. The created CP, consistent with PFA's constraints, is innovative for everlasting: a 7-year perennial crop, applied in double rows (to optimize the linear footage), on mound (to avoid water stagnation), with mulching (to facilitate AB maintenance), and with dripping irrigation (for pre-vegetative/ post-harvest stages). Distillation will be done, after mid-June harvest, on the whole flowered fresh plant. The plantation has resulted in 5.3 ha of operational crop (density: 14,300 plants / ha), with a production estimate of 42 kg of EO/year starting from 2017. Technical issues still need to be solved for 2015: adding liquid fertilization, harvest process and distillation. The climatic impact on the quality of the OE and the CP performance should be evaluated after the first harvest.; L'huile essentielle (HE) d'immortelle d'Italie (Helichrysum italicum subsp. italicum) fait l'objet d'un fort engouement des usagers d'aromathérapie. Naturactive a demandé à Pierre Fabre Agronomie (PFA) de produire dans le Tarn (France) 90 kg/an de cette HE en bio, ce qui a entraîné l'étude de sa mise en culture dans le respect de la politique Qualité de PFA. Celle-ci est complexe, car PFA s'est engagé à la Haute Valeur Environnementale, au respect du GACP (Guide des bonnes Pratiques Agricoles pour ingrédients pharmaceutiques) en plus de l'Agriculture Biologique. L'inventaire des contraintes (réglementaires, agronomiques, technico-économiques) a résulté en : l'amélioration des outils réglementaires de suivi de la qualité ; la création d'un itinéraire cultural (ITK) ; un chantier de plantation mécanisé. L'ITK conforme aux besoins de PFA est innovant pour l'immortelle : plantation pérenne (7 ans), en doubles rangs (optimise le métrage linéaire), sur butte (évite la stagnation d'eau) avec paillage (entretien en AB facilité) ; irrigation par goutte-à-goutte en pré-reprise végétative /post-récolte ; enherbement naturel maîtrisé entre buttes. La distillation se fera, après récolte mi-juin, sur plante entière fraîche fleurie. Le chantier a résulté en 5,3 ha opérationnels (densité : 14 300 plants/ha), pour un prévisionnel de 42 kg d'HE en 3e année. Des enjeux restent pour 2015 : ajout de fertirrigation, récolte et distillation (spécifications propre à PFA à fixer). L'impact du climat sur la qualité de l'HE et l'efficacité de l'ITK sur le rendement devront être évalués aux 1res récoltes.
- Published
- 2014
12. On the Generalizations of Identity-Based Encryption
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De Caro, Angelo, Persiano, Giuseppe, and Blundo, Carlo
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IPE ,IBE ,HVE ,INF/01 INFORMATICA ,Criptography - Abstract
2011 - 2012 Today public-key cryptographic is widely deployed and successfully used but still a major drawback exists. In fact, from encrypted data a party can either decrypt or cannot learn anything at all about the message other than intentionally leaked information such as its length. In the recent years, the cloud computing paradigm has emerged as the new standard to use computing resources, such as storage devices, that are delivered as a service over a network. In such a scenario, the notion of public key cryptography is not enough. It would be desirable to specify a decryption policy in the encrypted data in such a way that only the parties who satisfy the policy can decrypt. In a more general form, we may want to only give access to a function of the message, depending on the decryptor’s authorization. Thus, in the last decade researchers have started looking at a more sophisticated type of encryption called functional encryption. A functionality F is a function F : K × M ! where K is the key space and M is the message space. In the public-key setting, a functional encryption scheme for F is a special encryption scheme in which, for every key k 2 K, the owner of the master secret key msk associated with the master public key mpk can generate a special secret-key skk that allows the computation of F(k,m) from a ciphertext of m 2 M computed under public key mpk . In other words, whereas in traditional encryption schemes decryption is an all-or-nothing affair, in functional encryption it is possible to finely control the amount of information that is revealed by a ciphertext. One of the most notable example of functional encryption is identity-based encryption first introduced by Shamir as an alternative to the standard notion of public-key encryption. In this thesis, we discuss several instantiations of function encryption that can all be seen as generalisations of identity-based encryption. We improve on previous constructions in terms of performance and security guarantees. [edited by author] XI n.s.
- Published
- 2013
13. La mobilisation des acteurs publics et privés
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Doussan, Isabelle, Lamine, Claire, Groupe de Recherche en Droit, Economie et Gestion (GREDEG), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Unité de recherche d'Écodéveloppement (ECODEVELOPPEMENT), Institut National de la Recherche Agronomique (INRA), P.Ricci, S.Bui, C.Lamine, CODIREM, ANR-06-PADD-0012,GEDUPIC,La protection intégrée des cultures : construire et favoriser une gestion écologique de la santé des plantes(2006), and Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS)
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Droit ,[SHS.DROIT]Humanities and Social Sciences/Law ,Agriculture ,HVE - Published
- 2011
14. Inquérito sorológico da infecção por herpesvírus equino no Estado de Minas Gerais
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Eliana Monteforte Cassaro Villalobos, Rômulo Cerqueira Leite, Enio Mori, Camila Souza Torelli, Mariana Sequetin Cunha, Jenner Karlisson Pimenta dos Reis, Elenice Maria Sequetin Cunha, A. C. P. P. Bello, A. P. Cunha, and Maria do Carmo Custódio de Souza Hunold Lara
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Veterinary medicine ,General Veterinary ,Estado de Minas Gerais ,Equídeos ,Seroprevalence ,HVE ,lcsh:Animal culture ,Biology ,Equine herpesvirus ,Herpesvírus equino ,lcsh:SF1-1100 - Abstract
Os herpesvírus equinos tipo 1 (HVE-1) e 4 (HVE-4) são agentes causadores de diferentes formas de doença em cavalos, das quais as mais comuns são a rinopneumonite, o abortamento, a mortalidade perinatal e a mieloencefalopatia herpética equinas, que causam grandes perdas econômicas. Tem sido descrita mundialmente, havendo poucos estudos no Brasil. O objetivo do presente trabalho foi estudar a ocorrência e a distribuição da infecção por herpesvírus equinos (HVE) em equídeos criados em dez Delegacias Regionais do Estado de Minas Gerais: Almenara, Bambuí, Curvelo, Governador Valadares, Montes Claros, Oliveira, São Gonçalo do Sapucaí, Teófilo Otoni, Unaí e Viçosa. Foi utilizada a técnica de soroneutralização em microplacas com o intuito de detectar anticorpos soro neutralizantes. Das amostras analisadas, 17,6% (145/826) foram soropositivas para o HVE, sendo 18,7% (140/749) cavalos soropositivos, 6,8% (5/73) muares soropositivos e nenhum asinino soropositivo (0/4). Conclui-se que o HVE-1 encontra-se amplamente disseminado no Estado de Minas Gerais, pois todas as regiões estudadas apresentaram animais sororreagentes ao HVE-1. Observou-se maior ocorrência de anticorpos contra o HVE em animais adultos, indicando assim o potencial desses animais como fonte de infecção para os potros.
- Published
- 2010
15. Inquérito sorológico da infecção por herpesvírus equino no Estado de Minas Gerais
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Lara, Maria do Carmo Custódio de Souza Hunold, Torelli, Camila Souza, Cunha, Elenice Maria Sequetin, Villalobos, Eliana Monteforte Cassaro, Cunha, Mariana Sequetin, Bello, Ana Cristina P. P., Cunha, Arildo P., Reis, Jenner K. P., Leite, Rômulo Cerqueira, and Mori, Enio
- Subjects
Equine herpesvirus ,Estado de Minas Gerais ,Equídeos ,HVE ,Minas Gerais State ,Equids ,Herpesvírus equino ,EHV - Abstract
Os herpesvírus equinos tipo 1 (HVE-1) e 4 (HVE-4) são agentes causadores de diferentes formas de doença em cavalos, das quais as mais comuns são a rinopneumonite, o abortamento, a mortalidade perinatal e a mieloencefalopatia herpética equinas, que causam grandes perdas econômicas. Tem sido descrita mundialmente, havendo poucos estudos no Brasil. O objetivo do presente trabalho foi estudar a ocorrência e a distribuição da infecção por herpesvírus equinos (HVE) em equídeos criados em dez Delegacias Regionais do Estado de Minas Gerais: Almenara, Bambuí, Curvelo, Governador Valadares, Montes Claros, Oliveira, São Gonçalo do Sapucaí, Teófilo Otoni, Unaí e Viçosa. Foi utilizada a técnica de soroneutralização em microplacas com o intuito de detectar anticorpos soro neutralizantes. Das amostras analisadas, 17,6% (145/826) foram soropositivas para o HVE, sendo 18,7% (140/749) cavalos soropositivos, 6,8% (5/73) muares soropositivos e nenhum asinino soropositivo (0/4). Conclui-se que o HVE-1 encontra-se amplamente disseminado no Estado de Minas Gerais, pois todas as regiões estudadas apresentaram animais sororreagentes ao HVE-1. Observou-se maior ocorrência de anticorpos contra o HVE em animais adultos, indicando assim o potencial desses animais como fonte de infecção para os potros. Equine herpesvirus type 1 (EHV-1) and 4 (EHV-4) are major pathogens affecting horses, and cause respiratory disease, abortion, perinatal mortality and neurological disease, bringing economical losses. This infection has been reported worldwide, but there are only a few studies in Brazil. The present study was undertaken in order to evaluate the occurrence and distribution of equine herpesviruses (EHV) infection in equids from ten regions of Minas Gerais State: Almenara, Bambuí, Curvelo, Governador Valadares, Montes Claros, Oliveira, São Gonçalo do Sapucaí, Teófilo Otoni, Unaí and Viçosa. To detect antibodies against EHV virus neutralization test in microplates was used. We found 17.6% (145/826) positive animals for EHV. 18.7% (140/749) positive horses, 6.8% (5/73) positive mules and none positive (0/4) donkeys. All ten regions studied showed animals reagents to EHV. The results suggest that EHV is widespread in equids of Minas Gerais State. It was observed a higher occurrence of antibodies against EHV in adult animals, indicating the potential of these animals as source of infection for foals.
- Published
- 2010
16. Sustainability in agriculture and food: How is this relationship apprehended by farm sustainability assessment methods in agriculture ?
- Author
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Frédéric ZAHM, Mouchet, C., Lionel Vilain, Aménités et dynamiques des espaces ruraux (UR ADBX), Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF), AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), and France Nature Environnement (FNE)
- Subjects
[SDE]Environmental Sciences ,HVE - Abstract
International audience; Une production agricole durable est elle le préalable à une alimentation humaine durable ? Les relations entre ces deux actes (produire / consommer) sont certes étroites mais de nature complexe. Nous proposons dans cette communication de revenir en détail sur le concept d'agriculture durable et d'identifier les principaux points susceptibles de contribuer à une alimentation durable. Nous définirons d'abord une agriculture durable à partir de ses principales caractéristiques qui la distinguent de l'agriculture dite conventionnelle et présenterons également un panorama des principales méthodes françaises d'évaluation de l'agriculture durable développées en France (IDEA, RAD, Arbre et charte de l'agriculture paysanne). Puis la démarche développée dans la méthode IDEA (Indicateurs de Durabilité des Exploitations Agricoles) illustrera la question scientifique du passage du concept théorique de la durabilité agricole à son évaluation à partir d'indicateurs. Enfin nous détaillerons comment 17 des 42 indicateurs de la méthode IDEA peuvent contribuer à l'évaluation d'une agriculture au service d'une alimentation durable. Nous conclurons sur l'absence actuelle de démarches officielles de certification liées à ces types de production.
- Published
- 2008
17. Stability of Haptic Virtual Environments and Teleoperation Systems : Effect of Sampled-Data Control, Communication Delay and Active Operator
- Author
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Miandashti, Noushin
- Subjects
- Sampled-Data, Teleoperation, HVE
- Abstract
Abstract: Three factors can jeopardize the stability of haptic virtual environments (HVE)s and teleoperation systems: (a) delayed communication channel, (b) controller discretization and (c) active operator intervention. This thesis studies the stability of these systems and investigates the simultaneous effect of all three de-stabilizing factors via a proposed unified framework. The conditions that ensure the stability of these systems are derived and reported. This thesis also addresses the stability problem in the context of teleoperation systems in the four-channel architecture in a passivity-based framework. While it is assumed that the teleoperation system operates in continuous-time and the terminations are passive, the communication delay is compensated for and the stability conditions are derived.
- Published
- 2013
18. Role of HEMIVENATA and the Ubiquitin Pathway in Venation Pattern Formation.
- Author
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Candela H, Alonso-Peral MM, Ponce MR, and Micol JL
- Abstract
Elegant work by others has highlighted the importance of auxin transport in venation patterning, an idea substantiated by the severe effects of auxin polar transport inhibitors and by the mutant phenotype and expression patterns associated with the auxin efflux transporter PIN-FORMED1 (PIN1). It is striking, therefore, that little attention has been paid to the venation patterns of mutants insensitive to this hormone, since both auxin transport and perception are crucial components in theoretical models of vascular patterning. Our finding that HEMIVENATA (HVE) is the same gene as CAND1 confirms the role of ubiquitin-mediated auxin perception in vascular patterning and sets the stage for a re-examination of the leaf venation phenotypes of other auxin-resistant mutants and additional components of the ubiquitin pathway.
- Published
- 2007
- Full Text
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