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Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Adequate nutrition is a vital aspect in the proper development of pregnancy. Micronutrients are one of the most important dietary components during pregnancy, since they play multiple roles in both the proper development of pregnancy and embryonic development. Ensuring an appropriate supply of micronutrients during pregnancy reduces the risk of obstetric and fetal complications and even the development of pathologies in adulthood. For this reason, the nutritional assessment of the pregnant woman is imperative, so that her daily dietary requirements can be individualized, guided about the different food sources where she can obtain these components and educated her about the important functions they perform, avoiding these imbalances during pregnancy. [ABSTRACT FROM AUTHOR]

Nutrition can be a facilitating theme for promoting broad readings of our surroundings, given its relationship with biological, social, political, and economic aspects. It is interesting to have an overview of how the theme has been approached, aiming for continuity or the development of other approaches. Thus, we sought to construct a state of knowledge on the works that addressed the theme in science education. For this purpose, 171 works from 2012 to 2022 were gathered from the capes Periodicals Portal, the Brazilian Digital Library of Theses and Dissertations bdtd and the Proceedings of enpec. The data were organized in a spreadsheet, distributed by year, journal and region, and divided into thematic sections of Literature Reviews, Analysis of Textbook and Curriculum Debates, Works in the Context of Basic Education and Works in the Context of Teacher Training and/or Practice. The results showed few works in the North and Northeast of the country. Various approaches were observed, with a marked presence of a nutritional approach and its use for contextualizing or addressing its relationship with curriculum contents. Interdisciplinarity and the need for teacher training were also addressed. We emphasize and advocate for approaches that, in addition to broadly addressing the theme, value its connection with the context and realities of the students. From this perspective, much can be thought and built in science education with this theme. [ABSTRACT FROM AUTHOR]

Amazonian fishery products are an indispensable component in the food security of the Amazonian peoples of Ecuador. This review work analyses the main preservation techniques that guarantee the quality and safety of Amazonian fishery products that have a relatively short shelf life, using a descriptive methodology based on the PRISMA method where several investigations have demonstrated the use of different preservation technologies (freezing, salting, smoking, vacuum packaging) applied in the area that are capable of extending the post-mortem shelf life of fishery products. Freezing processes have a greater capacity to extend the shelf life of fish products compared to conventional refrigeration, however, in this area artisanal fishing is practised and an effective cold chain is not guaranteed. Vacuum packaging has great potential for the packaging of fresh fish products. The use of non-thermal technologies, such as traditional salting and smoking by native peoples, is an alternative for the preservation of local fish products. [ABSTRACT FROM AUTHOR]

Background: this study aimed to assess how the COVID-19 lockdown (March to June 2020) affected children's sleep quality, physical activity, screen time, and nutrition. Material and methods: the survey consisted of 479 children from the SENDO project, a pediatric cohort in Spain, aged 4-5 years. The BEAR questionnaire was used to evaluate sleep quality. Hierarchical models with two-level clustering were used to account for intra-cluster correlation between siblings, and the difference regression method was used to study the association between changes in screen consumption and physical activity and changes in sleep quality. Results: the results showed an increase in the consumption of homemade pastries and snacks. Sleep quality worsened significantly during confinement, with a mean score on the BEAR scale of 0.52 before, 1.43 during, and 1.07 after confinement. Although sleep quality improved significantly after the end of confinement, it remained worse than before. The average daily screen time increased from 1.13 hours before confinement to 2.65 hours during confinement. Physical activity decreased during confinement, with the mean number of hours per day decreasing from 1.27 to 0.79. Children who spent more time on screens during confinement had worse sleep quality, as indicated by their higher scores on the BEAR scale. We used the difference regression method to identify a statistically significant association between the increased screen time for leisure hours and the worsening of children's sleep quality during confinement. Conclusion: we observed a significant relationship between confinement and reduced sleep quality. Although the end of the lockdown led to a slight improvement, the average BEAR scale score remained higher post-confinement, suggesting that the consequences of the lockdown may persist over time. [ABSTRACT FROM AUTHOR]

Copyright of Revista Académica Internacional de Educación Física is the property of Asociacion Cientifica Internacional de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Espirales Revista Multidisciplinaria de Investigación is the property of Grupo Compas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

La transición nutricional genera gran impacto en la salud de las personas, especialmente en los países más pobres. La globalización, la industrialización y otros factores socioambientales han cambiado las dietas y los patrones alimentarios, lo que ha conllevado a un aumento en las enfermedades crónicas y de malnutrición en poblaciones vulnerables como las comunidades indígenas, afectando principalmente a los niños. El objetivo de esta investigación es analizar la alimentación actual y su impacto en el estado nutricional de los niños menores de cinco años pertenecientes a las comunidades Embera Katio del resguardo indígena Gito Dokabú. Se evaluó el estado nutricional de estos menores utilizando los índices antropométricos de peso para la talla según los estándares de la Organización Mundial de la Salud [OMS] (2006). Se indagó, a través de entrevistas semiestructuradas realizadas a los padres de los menores, sobre la frecuencia de consumo de los diferentes grupos de alimentos según las Guías Alimentarias colombianas. La investigación contó con la aprobación del Comité de Ética de la Universidad de Caldas y el consentimiento de los padres. Como resultado, se observó una baja prevalencia de desnutrición (1,74%) pero un alto riesgo de sobrepeso (21%). Se destaca el alto consumo de alimentos del grupo 1 (arroz, plátano y maíz) y la baja ingesta de alimentos del grupo 2 (frutas y verduras). La introducción de alimentos exógenos y el cambio en las preferencias hacia alimentos menos salu dables son factores que afectan la alimentación de las comunidades indígenas del resguardo Gito Dokabú.

Presentación del dossier. Alimentación y gentrificación en América Latina

Los mercados de producción agroecológica y artesanal se han multiplicado como parte de un proceso más amplio que busca impulsar ciudadanías alimentarias orientadas a la justicia y la sustentabilidad. No obstante, este fenómeno se encuentra inmerso en la complejidad de los sistemas alimentarios y alberga gran heterogeneidad. En el artículo se analizan las relaciones entre este tipo de iniciativas y los procesos de gentrificación de algunas de las áreas donde se establecen. El tema es abordado a partir del material etnográfico recolectado en el marco de un proyecto de investigación enfocado en la documentación de iniciativas de producción agroecológica y la transformación artesanal que operan en la Ciudad de México y en los colectivos ciudadanos que facilitan la comercialización de sus productos. Los hallazgos muestran que en ciertas zonas de la ciudad estos mercados intervienen en un conjunto más amplio de oferta alimentaria “alternativa” vinculada a los procesos de gentrificación e identifica algunos de los factores que inciden en la reproducción de las desigualdades sociales en el marco de estas iniciativas. Al mismo tiempo, se visibiliza la agencia de los actores y se documenta su capacidad de utilizar el espacio de oportunidad creado por la creciente demanda de alimentos frescos, saludables y de origen local en las zonas sujetas a procesos de gentrificación para avanzar hacia sus propios fines.

Introducción: Existe una tendencia mundial de incremento en los índices de sobrepeso y obesidad en niños menores de 5 años. Las creencias, percepciones y actitudes de las madres hacia las prácticas de alimentación y la obesidad tienen implicaciones directas sobre la salud del hijo. Objetivo: Explorar creencias sobre prácticas de alimentación y obesidad infantil entre madres con hijos menores de cinco años del noroeste de México. Metodología: Estudio cualitativo de aproximación etnográfica. Mediante un muestreo propositivo se realizaron nueve entrevistas semiestructuradas a mujeres que contaban con un promedio de 12 años de educación. Resultados: Las creencias incluyeron inseguridad para asumir el rol de madre, una baja percepción de apoyo familiar y creencias que no se alineaban con las recomendaciones de la lactancia materna exclusiva e introducción de alimentos complementarios. Además, estas tenían la creencia de que la obesidad no es un problema debido a la corta edad de sus hijos. Conclusiones: Existe una ambivalencia entre las creencias de las participantes y sus prácticas con relación a la alimentación y la obesidad infantil. Es imperativo desarrollar estrategias de educación y comunicación que proporcionen información basada en evidencia, de fácil acceso y disponible para madres con la intención de prevenir problemas de nutrición durante la primera infancia.

El propósito de este ensayo es analizar el sistema turístico y las implicaciones en los Objetivos del Desarrollo Sostenible (ODS). Se estudia la pobreza, alimentación, salud y educación en la población de México. La metodología es cualitativa. Como conclusiones se propone diversificar las actividades turísticas con eventos culturales y competencias deportivas en las comunidades rurales para impulsar la creación de empleos a través del desarrollo del turismo de naturaleza, el idiomático y gastronómico con la exposición de las comidas tradicionales y promover experiencias en talleres artesanales de los pueblos mágicos para generar ingresos en las regiones marginadas del país.

Reseña: Riera Melis, A. (2021). Alimentación, sociedad, cultura y política en el Occidente Medieval. Madrid: Ediciones Trea. 551 pp. ISBN: 978-84-18105-98-2

The purpose of this position update is to describe the main scenarios in which conflicts of interest (COI) arise, as well as guidelines to guide the conduct of SLAN and its members in the context of relationships with commercial entities. The content of this document was defined, reviewed, and approved by the current Conflict of Interest Committee (COI Committee), commissioned by SLAN and comprised of academy members who share the conviction about the need to avoid COI in actions related to nutrition and health. The power and interference of commercial entities in the food system and health policies have increased over time, weakening and obstructing the implementation of actions that promote healthy food environments. One of the strategies through which corporations engaged in the development, marketing, advertising, and promotion of health-damaging food and beverage products operate is by establishing relationships with nutrition societies and organizations to undermine these actions, leading to COI. Through this document, SLAN proposes a series of measures to prevent, transparently manage conflicts of interest, and avoid the interference of commercial entities in nutrition research, education, and policies. [ABSTRACT FROM AUTHOR]

In this brief, non-exhaustive essay, we review major adaptive changes in reproductive and developmental traits of decapod crustaceans, which have passed through evolutionary transitions from ancestral life in coastal marine environments to brackish, limnic, polar, or deep-sea habitats. Two major approaches can be recognised in studies of life-history evolution, focussing on: (1) developmental changes in adaptive physiological or biochemical traits of successive ontogenetic stages, comparing, for instance, osmoregulatory capabilities in larvae, juveniles, and adults ("ontogeny of adaptations" perspective); (2) adaptive changes in the modes of reproduction and development, e.g., enhanced maternal energy investment in egg production, abbreviated, non-feeding larval development ("adaptations in ontogeny"). Using both scientific approaches, Christoph D. Schubart has significantly contributed to our understanding of evolutionary transitions in crustaceans. In our essay, we pay particular attention to the significance of nutritional selection factors in relation to presumably adaptive developmental, physiological, and biochemical traits in different life-history stages. In this context, we highlight the key roles of lipids and carotenoid pigments, in particular of essential polyunsaturated fatty acids (PUFAs) and astaxanthin. While PUFAs and other lipid compounds have received wide scientific attention, we propose that future studies should further analyse also the potential role of astaxanthin and other essential carotenoids. [ABSTRACT FROM AUTHOR]

Objective. To evaluate the nutritional composition of duckweed (DW) (Lemna minor) and water hyacinth (WH) (Eichhornia crassipes) and its effect on the apparent digestibility of dry matter (%, ADDM), apparent digestibility of crude protein (%, ADCP) and the apparent digestibility of the crude lipid (%, ADCL) in the nutrition of tilapia (Oreochromis niloticus). Material and methods. The DW and WH were used to formulate nine isoproteic (32.47%), isolipidic (5.46%) and isoenergetic (16.45 MJ kg-1) diets, with three replicates and 15 male tilapia (36.36± 1.16 g) per repetition: 0% (T0); 10% (T10); 15% (T15); 20% (T20) and 25% (T25), respectively random. A principal component analysis (PCA) was applied. Results. The crude protein (%) of the WH and the DW, were 21.72% and 27.37% (p<0.05), respectively. Fish fed with WH and DW, up to 10 and 15% inclusion in the diet, respectively, did not show significant differences (p>0.05) for ADDM. However, for ADCP and ADCL, up to 15 and 20%, respectively, significant differences (p>0.05) were not observed. Conclusions. Water hyacinth and duckweed meals were an alternative vegetable protein source, which can partially replace soybean meal and cornmeal in tilapia diets. The PCA suggests that the control diet, 10% WH, 10-15% DW, showed the best results in terms of the apparent digestibility of the nutrients. [ABSTRACT FROM AUTHOR]

Introduction: Malnutrition is an inpatient complication associated with increased morbidity and mortality, modifiable by improving nutritional intake. For this, it is essential to know the patient’s satisfaction regarding intra-hospital feeding. Currently there is no validated and adapted tool for the Chilean population to evaluate this area. Aim: to develop a cross-cultural adaptation of the validated ACHFPSQ questionnaire, which has shown to be capable of identifying aspects to improve in the quality and planning of intrahospital feeding and applying corrective measures based on its observations with a positive impact on the food service. Materials and methods: The methodology of this process, applied in an internal forum between the authors, was based on a series of translations from the original language and reverse into Chilean Spanish that were unified in a consensus instrument with which a pilot test was carried out in 30 patients. After this test, the respondents’ suggestions were collected to apply modifications and a quality control for cross-cultural adaptations to define the final version of the instrument. Results: the authors’ forum evaluated the translations positively, having to apply a single explanatory modification to the instrument. In the pilot test, 93% required assistance to complete the survey. Only two respondents made suggestions, with no impact on the final instrument. Discussion and conclusion: the questionnaire becomes a new tool available to evaluate service quality standards and other nutritional indicators, allowing to objectify the impact of possible changes in food services. [ABSTRACT FROM AUTHOR]

Agroecological and artisanal produce markets have multiplied as part of a broader process that promotes food citizenship oriented towards justice and sustainability. However, this phenomenon is immersed in the complexity of food systems and entails great heterogeneity. This article analyzes the relationship between these types of initiatives and the gentrification processes in some of the areas where they are established. The topic is approached from ethnographic material collected in the framework of a research project on agroecological production initiatives and artisanal transformation in Mexico City and on the citizens’ collectives that facilitate the commercialization of this production. The findings show that in certain areas of the city these markets shape a broader set of “alternative” food supply networks linked to gentrification processes and the findings identify some of the factors that affect the reproduction of social inequalities within the framework of these initiatives. At the same time, the study underscores the agency of the actors involved and documents their abilities to use these spaces through the growing demand for fresh, healthy, and locally-sourced food to advance their own ends in areas subject to gentrification. [ABSTRACT FROM AUTHOR]

Copyright of Ecosistemas y Recursos Agropecuarios is the property of Universidad Juarez Autonoma de Tabasco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Food and nutrition are part of the lifestyle, that is, the type of habits and customs that a person has, it can be beneficial for health, food meets the nutritional benefits required by the body, to maintain good condition. The objective is to describe a prevention program for Chronic Childhood Malnutrition for detected schoolchildren. A good diet in childhood will provide the nutrients that they need in the metabolic process and they will benefit from all the contributions contained in the foods that satisfy the needs of the cells and allow the adequate development of the organism in order to provide physical resistance consistent with daily life if you maintain a balanced diet. Chronic childhood malnutrition is the result of insufficient consumption of foods that contain nutrients that are absorbed by the body, both in childhood and during the mother's pregnancy, all of which leads to weight loss and growth arrest. psychological and psychomotor development, such as the appearance of infectious diseases as a consequence of poor functioning of the body. The role of the nurse in the prevention of chronic childhood malnutrition is aimed at promoting actions that help alleviate chronic childhood malnutrition, through the selection of foods that will be ingested to provide the nutrients that the infant's body requires and avoid diseases serious that can cause death. [ABSTRACT FROM AUTHOR]

Proper nutrition in childhood is crucial for optimal development and disease prevention. Sociocultural factors can influence children's dietary practices and nutritional status. The aim of this research was to evaluate sociocultural factors and the nutritional status of children under 3 years old in a childcare center. An observational cross-sectional prospective study was conducted. Sociocultural factors were assessed through a survey, and nutritional status was evaluated using anthropometric measures. A diverse prevalence of nutritional states was observed, with a significant percentage of children being overweight or underweight. Sociocultural factors, such as food insecurity, showed a high prevalence and a significant association with children's nutritional status. The results highlight the importance of addressing sociocultural factors in promoting childhood nutrition and suggest the need for specific interventions to improve children's nutritional status in this context. [ABSTRACT FROM AUTHOR]

Copyright of Cuadernos del Centro de Estudios de Diseño y Comunicación is the property of Cuadernos del Centro de Estudios de Diseno y Comunicacion and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Internacional de Salud Bienestar y Sociedad is the property of Common Ground Research Networks and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

La actividad física escolar ha demostrado ser útil para el desarrollo físico, mental y académico. Sin embargo, el estilo de vida actual propicia en estudiantes a perder o retardar las capacidades físicas que nuestro cuerpo debe mantener para un óptimo desarrollo. El describir los estilos de vida y capacidades físicas en estudiantes mexicanos de bachillerato es importante para establecer programas de actividad física dirigidos. Se les aplico un cuestionario sobre los estilos de vida de los estudiantes a través de dimensiones sociodemográficas, de actividad física y de uso de tiempo libre, y se determinaron capacidades físicas con pruebas de la Fitness Gram Test Battery. La edad promedio fue de 16 años, predominando un 52% el sexo masculino, el 43.8% práctica ejercicio dos veces por semana, siendo un 22.9% el futbol y voleibol, el 75% se encuentra en peso normal y el 22.9% en sobrepeso, además entre un 31.3 y 37.5% dedican de 30 a 60 min de su tiempo a ver televisión durante la semana, un 35.4% dedica 4 horas diarias en WhatsApp, un 35.4% 2 horas diarias en redes sociales, y un 37.5% duerme 5 horas entre semana, además solo un 31.3% solo dedica 1 horas diarias para realizar actividades escolares. Mientras que en sus capacidades físicas el 100% tiene flexibilidad muy baja, el 52.1% mantiene una velocidad buena, y respecto a fuerza en brazos predomina el nivel medio con 47.9%, en piernas el 58.3% un nivel muy bajo y en abdomen el 52.1% nivel bajo. Los estudiantes mexicanos de bachillerato presentan mayormente un estilo de vida sedentario por el tiempo que pasan en redes sociales y otras actividades de ocio, lo que los lleva a tener capacidades físicas en niveles de bajo a muy bajo.

Background. Currently, articles based on polyethylene and polypropylene have become an important element to solve social needs. However, these products take between 100 and 1000 years to decompose. Therefore, the need arises to look for new strategies that allow the degradation of these products in a shorter period of time. Objetive. Determine the capacity of the larvae of Galleria mellonella L. (Lepidoptera: Pyralidae) and Tenebrio molitor L. (Coleoptera: Tenebrionidae) to degrade bags, straws, glasses and face masks. Methodology. In the laboratory, five experiments were carried out with third and fourth instar larvae of G. mellonella and T. molitor. In each experiment, the treatments (bags, straws, cups, and masks) and the G. mellonella and T. molitor larvae were placed in a plastic container with a tight-fitting lid. Afterward, the larvae were weighed every 24 hours for 10 days to record the consumption of the treatments. Results. In experiments 1 and 2, no statistical difference was observed in the consumption of polyethylene and biodegradable bags and straws by the larvae of G. mellonella and T. molitor. In contrast, a significant statistical difference was observed between treatments in the pupae record. In the results of experiments 3 and 4, a significant statistical difference was observed between the treatments in the consumption of glasses (polystyrene and polyhydroxyalkanoate) and in the development of pupae of G. mellonella and T. molitor. In experiment 5, no significant statistical difference was observed between treatments in the consumption of masks and development of G. mellonella pupae. Implications. In this research work, basic information was generated on the consumption of bags, straws, cups, and face masks by G. mellonella and T. molitor. In the case of the consumption of face masks, it is the first record of the consumption of this article by G. mellonella larvae. Conclusions. G. mellonella and T. molitor consume products based on polyethylene, polystyrene and polyhydroxyalkanoate, likewise G. mellonella consumes face masks, essential product to avoid infections during the pandemic generated by the COVID-19 coronavirus.

En Tamaulipas la ganadería caprina extensiva de la región semiárida del Altiplano contribuye anualmente con la producción del 41% de ganado en pie y el 87% de leche en el estado. El objetivo de la investigación fue caracterizar el sistema extensivo que practican las unidades de producción caprinas de los municipios de Jaumave, Bustamante y Tula. Mediante la aplicación de encuestas estructuradas que se realizaron en meses de diciembre 2021 y enero 2022 se obtuvo información socioeconómica, alimenticia, productiva, reproductiva y sanitaria de 40 unidades de producción caprinas. Para sintetizar y tipificar la información se realizó un análisis factorial de componentes principales y un análisis clúster mediante el Programa Estadístico de Ciencias Sociales (SPSS versión 24). Se identificaron cuatro factores (manejo, producción, pastoreo y reproducción) que explican la mayor parte de la variabilidad total de los datos y se determinaron cuatro grupos de unidades de producción. La caracterización del sistema caprino de producción extensiva en el Altiplano de Tamaulipas se describe de forma general con variables de manejo y producción. Sin embargo, el análisis de las tipologías de unidades de producción mostró heterogeneidad en el sistema, en este sentido, las diferencias entre las medias de las agrupaciones que más destacaron fueron finalidad zootécnica, reproducción, producción e ingresos anuales. La subalimentación, escasez de agua y deficiente manejo reproductivo se asocian a la baja productividad y alta mortalidad de los animales.

En este trabajo se presenta un análisis sobre la experiencia y el trabajo de las mujeres, quienes como agentes de cambio respecto a los roles tradicionales de género, ocupan distintas posiciones relacionadas con la cocina local de Atenco. A partir de la perspectiva de género, y de la dimensión simbólica de la alimentación se visibiliza el significativo papel de las mujeres en la pervivencia de una cocina que ha tenido cambios y continuidades en el tiempo. Para dar cuenta de ello, se privilegió la información obtenida en las entrevistas realizadas durante el trabajo de campo. Se concluye que, gracias a las mujeres, gran parte de la resistencia ante el modelo hegemónico de desarrollo y modernidad se materializa en comidas preparadas y consumidas en las unidades domésticas.

El presente trabajo correlaciona las competencias curriculares N°3, 18 y 19 (Currículo 2022) referentes a calidad de vida (salud y alimentación), gestión del espacio y decisiones económicas, y su correspondiente presentación en los textos (de distribución gratuita estatal), determinando que los mismos presentan una significativa postergación en el tratamiento de las mencionadas competencias Para probar esta afirmación se establecieron 29 indicadores correlacionando su tratamiento en los contenidos de 73 títulos (libros de Ciencias Naturales, Ciencias Sociales, nivel primario y secundario), demostrando que las competencias referidas no son abordadas cabalmente en la bibliografía analizada. Se omite o soslaya información acerca del entorno nacional en el cual más del 16% de la población menor de cinco años sufre desnutrición crónica, 58% de la población total tienen sobrepeso, y que ha internalizado marcadas preferencias por una dieta alimentaria plena de edulcorantes, saborizantes, colorantes, odorantes, conservantes, bebidas carbonatadas. El estudiante, entre otros, no accede a una bibliografía que trate de la nutrición, sinergia alimentaria, feofícea y entomofagia (consumo de algas e insectos), agricultura transgénica, estacionalidad, migraciones, centralismo), déficit de la balanza comercial (por importaciones), oligopolización alimentaria, empleo de insecticidas y otros aspectos establecidos en el currículo..

The aim of this work is 1) to create a valid, reliable instrument with which to evaluate the risk perception of children and adolescents regarding their use of technology (cell phones, Internet, and video games); and 2) to analyze the frequency with which some risk behaviors occur in relation to perception, technology use and age. 807 children and adolescents from the province of Cordoba (Spain) answered an ad hoc questionnaire with several instruments: sociodemographic data; problematic use of cell phones, Internet, and video games; and risk perception with the Scale on Risk Perception of Technology Use for children and adolescents (EPRUT). The results obtained from the factor analysis reveal that the RPSTU has three dimensions, related to cell phones, Internet, and video games, respectively. Differences were observed in the relationship between age and risk perception, with older people having the highest risk perception. Assessing risk perception will favor the detection and development of prevention programs for the use of technology in children and adolescents. [ABSTRACT FROM AUTHOR]

Objective: Analyze the mechanisms deployed by the State to establish its institutionalizing intervention on the diets of the populations through the School Breakfast program in Mexico. Approach: Institutions are inserted in the analysis of power through dispositives from the perspective of governmentality. The exercise of power through feeding programs requires discourses focused on the correct diet, the participation of expert agents, the constitution of subjects of assistance and, simultaneously, the freedom and desire of the subjects of government. Methodological approach: The theoretical perspective of governmentality of Michel Foucault and the neoinstitutionalist current is taken up, to analyze the power mechanisms that enable the exercise of government, and enable the governmental capacity to institutionalize biological and food processes through the implementation of food programs. Conclusions: The School Breakfast program establishes power games between the various participating actors. Food as a field of knowledge and intervention multiplies the poles from which power is exercised, both from the populations and from the State. [ABSTRACT FROM AUTHOR]

Objective: Identify and describe the variables and tools used in the investigations of lifestyles in Mexico about food. Methodology: A systematic literature review was carried out. The search for documents was carried out on the Internet on Clarivate's Web of Science platform, with the words "lifestyle", "food", "Mexico or Mexican" and "habitus", with an age of ten years. Results: Three variables identified in the conceptualization of lifestyles considered: 1) characteristics of the individuals, tastes, and preferences; 2) social interactions; and 3) socioeconomic aspects, however, the aspects of social space and its interactions have been neglected. The investigations have mainly focused on issues such as obesity and diabetes, focusing in 2020 on dietary modifications from the Covid-19 alert. Limitations: Not having expanded the selection of documents using other search engines and using search terms in English. Conclusions: The analysis of lifestyles requires a holistic vision where the three variables presented allow making more accurate decisions on public policy, in this sense, delving into the social space and its interactions becomes necessary. [ABSTRACT FROM AUTHOR]

Introduction: There is a worldwide trend of increasing rates of overweight and obesity in children under 5 years of age. Mothers' beliefs, perceptions, and attitudes towards feeding practices and obesity have direct implications on their children's health. Aim: To explore beliefs about feeding practices and childhood obesity among mothers with children under five years of age in northwestern Mexico. Methodology: Qualitative study with ethnographic approach. Using purposive sampling, nine semistructured interviews were conducted with women with an average of 12 years of education. Results: Beliefs included insecurity in assuming the role of mother, a low perception of family support, and beliefs that were not aligned with the recommendations of exclusive breastfeeding and introduction of complementary foods. In addition, these held the belief that obesity is not a problem due to the young age of their children. Conclusions: There is ambivalence between the participants' beliefs and their practices regarding feeding and childhood obesity. It is imperative to develop education and communication strategies that provide evidence-based information that is easily accessible and available to mothers to prevent nutrition problems during early childhood. [ABSTRACT FROM AUTHOR]

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This study shows the abundance of contamination by microplastics (MPs) and the first record of contamination by MPs in bats. Additionally, we tried to understand the mechanism of the environmental contamination of bats. Therefore, the digestive and respiratory tracts from 81 adult bats belonging to 25 species were extracted for analysis. Bats were captured in different locations in the Brazilian Amazon (Altamira, Bragança, Brasil Novo, Medicilândia, Nova Timboteua, Placas, São Félix do Xingu, Uruará and Vitória do Xingu, all in the state of Pará). The results showed that all species were contaminated with MPs in at least one of the analyzed systems. For the digestive system, the form of contamination occurs through bioaccumulation and biomagnification by the ingestion of contaminated food or water. In the case of the respiratory system, contamination occurs through the inhalation of MPs suspended in the atmospheric air. The different foraging characteristics of bats, the type of capture strategy for this food, and the type of habitat reinforce the idea that plastic contaminants are present in all environments. Este estudio muestra la abundancia de contaminación por microplásticos (MP) y el primer registro de contaminación por PM en murciélagos. Además, intentamos comprender el mecanismo de contaminación ambiental de los murciélagos. Por lo tanto, se extrajeron para su análisis los tractos digestivo y respiratorio de 81 murciélagos adultos de 25 especies. Los murciélagos fueron capturados en diferentes localidades de la Amazonía brasileña (Altamira, Bragança, Brasil Novo, Medicilândia, Nova Timboteua, Placas, São Félix do Xingu, Uruará y Vitória do Xingu, todos en el estado de Pará). Los resultados mostraron que todas las especies estaban contaminadas con PM en al menos uno de los sistemas analizados. Para el sistema digestivo, la forma de contaminación se produce por bioacumulación y biomagnificación por la ingestión de alimentos o agua contaminados. Mientras que para el sistema respiratorio, la contaminación se produce por la inhalación de PM suspendidas en el aire atmosférico. Las diferentes características de alimentación de los murciélagos, el tipo de estrategia de captura de este alimento y el tipo de hábitat refuerzan la idea de que los contaminantes plásticos están presentes en todos los entornos. [ABSTRACT FROM AUTHOR]

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Objetivo: analizar el estado de nutrición y la alimentación en la región de Jojutla, Morelos. Metodología: la muestra comprendió 60 padres y 60 alumnos de secundaria, la mitad con huerto familiar y la otra mitad sin él. Las técnicas aplicadas fueron un registro antropométrico, cuestionarios y observación participante. Resultados: el estado nutricional y el peso del grupo con huerto familiar es normal (de 18.5 a 24.99 de IMCE), ya que el agroecosistema diversifica su alimentación. La mayoría de las personas sin huerto familiar presenta sobrepeso y obesidad, debido al consumo frecuente de comida chatarra. Valor: análisis multifuncional del huerto familiar como espacio que contribuye a la buena nutrición y dieta de la familia. Limitaciones: es un estudio transversal, ya que la recopilación de la información fue en un momento y tiempo determinados. Es recomendable que la alimentación y el peso se investiguen por más tiempo. Conclusiones: la globalización alimentaria transforma la dieta tradicional; sin embargo, el huerto familiar beneficia aspectos nutrimentales y alimenticios de las familias, lo cual es positivo para la salud humana y del planeta.

Introducción: Las fincas de café con sombra son ecosistemas complejos y existe una necesidad de comprender mejor su función y servicios ambientales. Algunas de estas funciones son similares a las de los ecosistemas forestales y la biodiversidad es importante. Los mamíferos desempeñan un papel crucial en estos agroecosistemas, controlando la abundancia y composición de la vegetación, contribuyendo a la dispersión de semillas, al reciclaje de nutrientes y al mantenimiento del suelo mediante la excavación y la aireación. Objetivo: Identificar el papel de los mamíferos silvestres en la dispersión de semillas y en la cadena alimentaria en agroecosistemas cafetaleros de Costa Rica. Métodos: Trabajamos en Rincón de Mora, San Ramón, Costa Rica, desde marzo de 2019 hasta enero de 2022. Utilizamos trampas Pixestt y Havahart, y cámaras trampa, para examinar heces y comportamiento; dependiendo de la especie, el tamaño de la muestra osciló entre 2 y 87 individuos. Resultados: Identificamos 19 especies de mamíferos. Heteromys salvini tenía granos de café en sus mejillas. Echinosciurus variegatoides, Didelphis marsupialis y Philander melanurus se alimentaron de la vegetación local. Dasyprocta punctata tuvo la mayor cantidad de datos de dieta; encontramos un escarabajo en las heces de Procyon lotor y observamos un Eira barbara persiguiendo un D. punctata. Conclusión: Los agroecosistemas cafetaleros proporcionan alimento para los mamíferos silvestres, y estos contribuyen al ecosistema cafetalero como dispersores de semillas y controladores de población.