
José Nahed ToralEl Colegio de la Frontera Sur | ECOSUR · Agriculture Society and environment
José Nahed Toral
Doctor of Animal Production Systems (APS)
PhD. Researcher in APS and Socioeconomic Aspects, Agrosilvopastoral and Organic Syst., GEI, Livelihoods, Sustainability.
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264
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Introduction
I have worked and continue to work on topics of Animas production systems, Silvopastoral systems, Organic livestock,
Evaluation of sustainability and livestock, Sustainable livelihoods and livestock, Energy efficiency and GHG emissions
Agri-food safety and Value chain. I have worked on these issues in regions of the dry and humid tropics of Mexico
Skills and Expertise
Additional affiliations
Publications
Publications (264)
Livelihoods of people living in many protected areas (PAs) around the world are in conflict with biodiversity conservation. In Mexico, the decrees of creation of biosphere reserves state that rural communities with the right to use buffer zones must avoid deforestation and their land uses must become sustainable, a task which is not easily accompli...
Organic farming conserves natural resources, promotes biodiversity, guarantees animal welfare and obtains healthy products from raw materials through natural processes. In order to evaluate possibilities of increasing organic animal production, this study proposes a farm-scale multicriteria method for assessing the conversion of dairy goat systems...
Conventional ranching in Chiapas, Mexico typically includes annual pasture burns and agrochemical use that decrease the biodiversity and forest cover of ranch lands. Members of a holistic ranching "club" in the Frailesca region of Chiapas, Mexico have moved away from this conventional management by eliminating burns and agrochemicals from their sys...
This investigation aims to classify, describe and evaluate the sustainability of dairy goat production systems (GPS) in South Spain Sierra de Cadiz. The research took place throughout 25 goat farms during the 2001–2002 campaigns, with the method posed by Masera et al. (1999) [Masera, O., Astier, M., S., Ló pez-Ridaura. 1999. Sustentabilidad y manej...
a b s t r a c t In the municipality of Tecpatan, Chiapas, in southeastern Mexico, it is highly feasible to convert tradi-tional agrosilvopastoral systems of dairy production to the organic production model. The objective of this study was to characterize silvopastoral systems and evaluate the feasibility of converting traditional agrosilvopastoral...
El consumo de alimentos de origen animal como la leche y la carne es fundamental para el desarrollo físico y mental de los niños, y la buena salud de las personas adultas. Nuestra experiencia de más de treinta años de investigación sobre los Sistemas Campesinos Ganaderos y/o en Pequeña Escala indica que la alimentación deficiente del ganado es la l...
The objective was to evaluate the effectiveness of interactive laboratories in generating meaningful learning, modifier of parasite control practices. Interactive laboratories are a
methodology for the building of knowledge that facilitate the interaction of sheep and goat farmers with laboratory techniques, on their own farm, to enrich their perce...
In recent years, several adversies facing humanity such as environmental devastaon, climate change and its effects, outbreaks of Ebola and smallpox, and the emergence of new diseases such as Sars-CoV-2, reflect the need to recognize the relaonship between the health of environment, humans, and animals. The One Health approach has recently emerge...
We assess the technologic and economic traits of traditional silvopastoral systems (TSS) owned and managed by 130 small and medium sized cattle farmers in Tecpatán, Chiapas. These 130 TSS were separated by cluster analysis into three groups, based on an organic conversion index (OCI) constructed with ten indicators. The average OCIs of these cluste...
La cría de cabras es una actividad de gran importancia para la subsistencia de las familias campesinas del altiplano
potosino-zacatecano. Con una antigüedad de casi cinco siglos en México, se ha consolidado no sólo como una
actividad económica, sino como el resultado de una serie de adaptaciones socioculturales a ambientes como el
semidesierto poto...
Contiene trabajos con distintos enfoques disciplinarios sobre procesos históricos, sociales, económicos y ambientales del estado de San Luis Potosí. Los análisis tienen distintas escalas geográficas: estado, municipio, región y la ciudad.
Background: In recent decades, many peasant regions of southeastern Mexico, have undergone an expansion of cattle raising. This has led to farmers transitioning from crop agriculture toward mixed production or specializing in cattle raising. Characterizing livestock systems using a multidimensional perspective allows for identifying strategies for...
ABSTRACT
This study evaluates the level of sustainability of cattle production of the valley and the highlands peasant communities of the Frailesca region of Chiapas, Mexico. Sustainability was evaluated using the Framework for Evaluation of Natural Resource Management Systems (MESMIS according to its Spanish initials). Information was obtained thr...
Se analizan los sistemas agrosilvopastoriles tradicionales de ganado bovino de doble propósito del noroeste de Chiapas (municipios de Tecpatán y Mezcalapa), los cuales muestran cambios socioambientales manifestados en perturbaciones. Las respuestas de los ganaderos frente a cambios socioambientales son tipificadas como mecanismos de reacción (respu...
The information presented in the epilogue is a synthesis of key aspects of each of the fifteen chapters comprising the book titled “Agroforestry techniques for adaptation to and mitigation of climate change; options and perspectives”. I am pleased to present this book, which is the product of the coordinated effort among three distinguished Mexican...
Abstract
Brucellosis is a neglected zoonosis and a public health problem in developing countries that also causes great economic losses in livestock. In Mexico it is endemic and Chiapas, a state in the south of the country, stands out for the presence of the disease in humans. Through the review of the state of the art it was found that factors suc...
Background. Silvopastoral systems are viable agroforestry option to move toward sustainable livestock and rural development. Objective. to analyze the level of adoption of silvopastoral techniques by beneficiary producers of three converging projects in the Sierra Madre de Chiapas region (Mexico), during the 2008-2017 period. Methodology. Forty-two...
p> Background . Silvopastoral systems are viable agroforestry option to move toward sustainable livestock and rural development. Objective . to analyze the level of adoption of silvopastoral techniques by beneficiary producers of three converging projects in the Sierra Madre de Chiapas region (Mexico), during the 2008-2017 period. Methodology . For...
Brucellosis is a neglected zoonosis and a public health problem in developing countries that also causes great economic losses in livestock. In Mexico it is endemic and Chiapas, a state in the south of the country, stands out for the presence of the disease in humans. Through the review of the state of the art it was found that factors such as the...
Currently, most conventional livestock production systems have been questioned for their negative impacts on the environment, animal welfare, productivity and public health. With the objective of reversing these impacts, the raising of animals based on the sustainability paradigm has been proposed, in order to know the level of sustainability of ag...
Parasitism caused by strongyles is one of the main limiting factors of the production of Creole goats in eastern Cuba. Through a descriptive and exploratory research carried out during the period between 2013 and 2018, the factors that regulate the epizootiological dynamics of gastrointestinal strongyloses were identified in 18 herds. The factors u...
Trees play an important role in livestock grazing lands but the effects of tree shade on grass productivity has not been studied widely. In this study, we evaluated the effect of tree shade on grass yield in pasturelands with dispersed trees in the humid tropics of Mexico. We sampled two livestock grazing systems: (1) scattered native trees in padd...
Microclimate plays a determining role in the development of biotic and abiotic interactions within agriculture and livestock systems and the physiological and productive performance of plants and animals. Given that management practices determine the degree of microclimate modification within production areas, different agriculture and livestock ma...
Extensive livestock systems have decreased in the last decades. In general, these systems are characterized by low profitability, but they have a key role on environment conservation, maintenance of rural population, and health of meat and milk consumers. The present study was carried out in 2017 with 29 livestock farmers in the cold steppe area, R...
Abstract
Traditional silvopastoral systems consist of animals feed in pastures with a tree gradient ranging from pastures with live fences, with shrubs and/or fallows, with scattered trees and within forested areas. We assess the environmental traits of traditional silvopastoral
systems (TSS) owned and managed by 117 small and medium sized cattle...
Abstract. This paper describes the environmental and productive conditions of 20 goat husbandry units in the Mexican desert. Through interviews and ethnographic observation, relationships among the families, the land, the cattle, the environment, and the market are analyzed. It’s emphasized the importance of the goats in the arid lands since they o...
In the Mediterranean Basin, sheep meat production systems are based on grazing, and help to conserve biodiversity, mitigate the greenhouse gases emissions and maintain the population in rural areas. However, the lack of differentiation of pastoral systems, as opposed to the intensive model, puts its continuity at risk. In this sense, organic farmin...
Background: The global community has recognized silvopastoral systems (SPS) as an alternative to contribute to the resolution of various socio-environmental problems derived from extensive livestock farming, deforestation, climate change and the current pandemic derived from SARS-CoV-2. Its technical and social viability has motivated various secto...
In: Brazilian Journal of Animal and Environmental Research.
From the applied interviews, and selection of variables through factor analysis by principal components and clusters, it was found that 22 variables describe 83.13% of the variability. Six groups of backyards were identified, characterized by animal production, plant production, family siz...
p> Background: The global community has recognized silvopastoral systems (SPS) as an alternative to contribute to the resolution of various socio-environmental problems derived from extensive livestock farming, deforestation, climate change and the current pandemic derived from SARS-CoV-2. Its technical and social viability has motivated various se...
In order to determine whether organic production may be a viable option for goat farmers of the lower Mixteca region of Puebla, Mexico, in order to increase sustainability of their farms, we evaluated the extent to which these goat farms fulfill organic standards. Additionally, we revised their level of sustainability by calculating an Organic Live...
The objective of the present study was to determine the seroprevalence of antibodies against Brucella abortus, Leptospira spp and Neospora caninum in cattle in two dairy areas of the state of Chiapas. Blood serum was collected from 76 and 103 female bovines from the municipalities of Tecpatán and Juárez respectively. The detection of antibodies aga...
The objective of the present study was to determine the eroprevalence of antibodies against Brucella abortus, Leptospira spp and Neospora caninum in cattle in two dairy areas of the state of Chiapas. Blood serum was collected from 76 and 103 female bovines from the municipalities of Tecpatán and Juárez respectively. The detection of antibodies agai...
In order to classify, compare and analyze conventional (CBPU, 21) and organic (OBPU,
21) dual-purpose bovine production units, in the Zoque region of Chiapas Mexico, a technological development index (TECDEI) was developed based on: I) machinery and equipment availability and (II) facilities availability. The BPU were classified based on TECDEI usi...
Enteric methane (CH4) emission from ruminant livestock is one of the main sources of greenhouse gases from the agricultural sector worldwide. In tropical regions there is a wide variety of forage species that have the capacity to improve cattle diets and reduce enteric CH4 emissions. A screening trial was conducted to investigate the nutrient and p...
Abstract. Food insecurity in rural Mexican families is one of the problems that the country is currently facing; hence the importance of agricultural systems in food production. This research focuses on the productive characterization of the types of backyards in the municipality of La Concordia, Chiapas. 134 semi-structured interviews were applied...
AbstractThe main objective of this study was to assessment livestock units (UGs) with a development index of silvopastoral systems in Mezcalapa, Chiapas, Mexico. A questionnaire was applied to 23 producers. The characterization was carried out through the development index of silvopastoral systems (IDESSP), which was generated from the following in...
Mexico has a wealth of trees that allows the development of livestock agroforestry in multiple and innovative options, such as the timber and non-timber species, native or introduced, in pasture or cut and carry, with multiple strata and with different temporary space arrangements. Some of those can adapt and tolerate extreme conditions, thus
could...
In Mexico, agroforestry is an important activity in several regions of the country, however, the inclusion of agroforestry courses in agricultural careers for undergraduates is limited and recent, as in many Latin American schools and universities. The objective of the present study was to know the current situation of agroforestry in the study pla...
El municipio de Tecpatán, Chiapas, que se aborda en el presente caso de estudio, forma parte del territorio de la etnia Zoque, con una importante trayectoria histórica prehispánica y colonial. Es uno de los doce municipios tradicionales cuyos hablantes de la lengua Zoque ha disminuido fuertemente. El objetivo del presente estudio de caso es contrib...
En este capítulo nos enfocaremos en la actividad agrícola que realizan en propiedades de pequeña y mediana extensión los grupos domésticos rurales de Chiapas, como parte de su proceso de reproducción social en el régimen neoliberal. Entenderemos la agricultura del grupo doméstico rural (gdr) en sentido amplio: abarca lo agrícola, pecuario, forestal...
En las últimas tres décadas los estudios rurales se han orientado hacia investigaciones disciplinarias que tratan de explicar los comportamientos individualizados de los campesinos en un escenario neoliberal. En cambio, en este capítulo proponemos que en la frontera sur de México algunos grupos domésticos rurales aún desarrollan estrategias colecti...
Este capítulo busca ubicar en un plano privilegiado de análisis y reflexión los grupos domésticos rurales, en términos de lo que actualmente son y lo que hacen para lograr su reproducción social, tarea esencial para entender la agricultura familiar contemporánea en el marco del régimen neoliberal que impone límites a las acciones de dichos grupos....
With the objective to characterize sustainability of family-owned small ruminant production systems as well as conservation of Cuban Creole goats, we used a transdisciplinary approach that included participatory action-research with a social learning component in two rural communities (“La Concepción” and “26 de Julio”) in the Cauto Valley of Granm...
Background: At the present, agricultural production systems need to produce more food, in the shortest possible time, and at the same time conserve natural resources. Among the initiatives that have been implemented, agrosilvopastoral systems are a viable strategy with regard to extensive livestock. Objective: We characterize the historical traject...
Se ofrecen métodos participativos para trabajar con familias rurales
Abstract. In Michoacán, as in other states of the country, there is no knowledge of the typology and characterization of the sheep production units that are developed, much less the limitations or growth possibilities of sheep farming. The objective of the work was to typify, characterize sheep production units and systems through socioeconomic and...
The objective of the work was to typify sheep production units located in the sheep producers zones of the state of Michoacán, through socioeconomic and technological aspects. A cross-sectional study was conducted in 152 sheep production units, a questionnaire was applied to the producers. The typing was done through multivariate analysis of main c...
La
ganadería en el trópico es una de las principales actividades económicas que genera gases de efecto invernadero ( su ineficiencia productiva y el deterioro ambiental
provocado por un manejo extensivo sugieren realizar cambios en los sistemas para mejorar su productividad sin detrimento del ambiente La Selva Lacandona es el más extenso
remanente...
This study analyzes Livelihoods (LH) of Sheep-Raising Families (SRF) in nine communities with three types of land tenancy in the Cauto Valley Region of Granma, Cuba. The study consisted of the following stages. First we analyzed the history of agriculture on a regional scale by reviewing secondary information sources. Second, on a community level,...
Abastract. The relations that maintain the northern and southern borders of Mexico are diverse and of different nuances, contrasting and at the same time complementary. One of them is the permanent and constant migration of a significant economically active population from the southern states to the northern border, such as Sonora, or to the United...
This study characterizes technical and economic aspects of conventional dual-purpose (milk and meat) cattle raising in the humid tropics of Chiapas, Mexico and evaluates the potential for converting these farms to organic-or clean-production. An organic livestock raising conversion index with 10 indicators and 37 variables was used. Data was obtain...
Using the sustainable livelihoods analytical framework, adaptability of cattle raising to multiple stressors (eg climate change and market conditions) in the dry tropics of Chiapas, Mexico was evaluated. Three case studies located in the Frailesca region of Chiapas were analyzed:(I) peasant cattle raising in a rural village in the Frailesca Valley;...
Abstract: Using the sustainable livelihoods analytical framework, the adaptability of cattle-raising to multiple stressors (e.g., climate change and market conditions) in the dry tropics of Chiapas, Mexico, was evaluated. Three case studies located in the Frailesca region of Chiapas were analyzed: (I) peasant cattle raising in a rural village in th...
Extreme weather events in animal production are common in tropical coastal areas and have a high impact on the livelihoods of livestock keepers. The objective of the study was to analyze the threats and risks that extreme climatic events represent in the livelihood of the dual-purpose cattle raising families of the Costa Chica in the state of Guerr...
Using the sustainable livelihoods analytical framework, adaptability of cattle raising to multiple stressors (e.g. climate change and market conditions) in the dry tropics of Chiapas, Mexico was evaluated. Three case studies located in the Frailesca region of Chiapas were analyzed: (I) peasant cattle raising in a rural village in the Frailesca Vall...
Tropical livestock in Mexico is pointed as a system that generates
adverse environmental impacts, among them, deforestation,
erosion, degradation and, recently, pollution with greenhouse
gases, besides having low productive indicators, with low
economic income for those who hold the activity, in a social
environment where family units of rural prod...
p>Many Mexican farmers have formed organizations to work toward common objectives, for example obtaining subsidies and training. The mechanisms that these groups use to achieve their goals and confront situations of change and vulnerability have not been studied in detail. The objective of this study was to analyze the organizational model used by...
Abstract. This work is part of the initiatives of a multidisciplinary and transversal project aimed at fostering communication with and between rural domestic groups in Chiapas and some other localities in the Southern Border region, about the ways in which these groups are responding to the processes of neoliberal globalization of the society and...
Abstract. This work is part of the initiatives of a multidisciplinary and transversal project aimed at fostering communication with and between rural domestic groups in Chiapas and some other localities in the Southern Border region, about the ways in which these groups are responding to the processes of neoliberal globalization of the society and...
Se estudiaron problemas de los habitantes del área protegida denominada "La Pera" en la salud de sus gallinas domésticas. Se registraron explicaciones locales sobre padecimientos importantes y se hizo un estudio clínico preliminar que mostró la presencia de bacterias de las familias Microccocaceae, Enterobacteraceae y Sthaphylococcaceae. Se encontr...
The objective of this study was to evaluate the level of sustainability of conventional and organic dairy cattle production units (CPU) in the Zoque Region of the Mexican state of Chiapas through evaluating attributes and indicators of sustainability and through a sustainability index (SI) value. Four organic or conventional CPU with high or low SI...
Problems faced by communities settled into “La Pera” Nature Reserve were studied regarding their domestic chicken’s health. Local explanations about some poultry diseases were recorded, and a preliminary clinical survey was done. This showed the presence of diverse species from the bacteria families: Microccocaceae, Enterobacteriaceae and Sthaphylo...
Se realizó un experimento con el objetivo de evaluar la respuesta productiva y digestibilidad de la materia seca en novillos pastoreando pasto Estrella de África (Cynodon plectostachyus L.), complementados con ensilado de caña de azúcar (ECA) (Saccharum spp.) y un complejo enzimático fibrolítico. Se utilizaron 40 toretes cruzados Bos taurusBos ind...
Pasture-based livestock systems in farms with medium or low size are especially important in less favored areas and are valuable for society. For these systems to survive, it is necessary to obtain an acceptable level of productivity and ensure commercialization of the products. This study was carried out in the district of Rio Ibáñez, General Carr...