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Abstract

The presentation and spreading of zoonoses in the animal production systems are influenced by environmental, biological social, economical, technological and political factors. The peasant production systems in Mexico, is characterised by the use family working force, restricted economical...

Author(s)
Gutiérrez-Ruiz, E. J.; Zapata-Villalobos, D.; Sierra-Lira, E. M.
Publisher
Universidad Autónoma del Estado de México, Toluca, Mexico
Citation
Opportunities and challenges for smallholder ruminant systems in Latin America: resource management, food safety, quality and market access, 2008, pp 251-260
Abstract

Tropical grasses are the primary nutrient resource for cattle production in the tropics, and they provide low-cost nutrients to cattle. However, its production is constrained by seasonal changes and quality; hence, appropriate usage of relatively inexpensive agricultural by-products is important to ...

Author(s)
Pedraza-Beltrán, P.; Estrada-Flores, J. G.; Martínez-Campos, A. R.; Estrada-López, I.; Rayas-Amor, A. A.; Yong-Angel, G.; Figueroa-Medina, M.; Avilés Nova, F.; Castelán-Ortega, O. A.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2012, 44, 2, pp 329-336
Abstract

The objective of this work was to develop a Decision-Support System (DSS) in order to support the decision making process by campesino farmers of Central Mexico. Two biological models, one socioeconomic model and a survey database form the DSS. The CERES-Maize model simulated the yield response of...

Author(s)
Castelán-Ortega, O. A.; Fawcett, R. H.; Arriaga-Jordán, C.; Herrero, M.
Publisher
Elsevier Science Ltd, Oxford, UK
Citation
Agricultural Systems, 2003, 75, 1, pp 1-21
Abstract

This paper describes the functioning and validation of the Decision Support System (DSS) described in the first part of the paper. The DSS ran three case studies with different farm sizes that represent the range of farmers found in the Valley. The DSS results were validated against survey data for ...

Author(s)
Castelán-Ortega, O. A.; Fawcett, R. H.; Arriaga-Jordán, C.; Herrero, M.
Publisher
Elsevier Science Ltd, Oxford, UK
Citation
Agricultural Systems, 2003, 75, 1, pp 23-46
Abstract

Livestock agrodiversity of Mazahua smallholder 'campesino' systems in the highlands of Central Mexico was investigated in the villages of San Pablo Tlalchichilpa (SPT) and La Concepción Mayorazgo (LCM). An animal inventory of 142 households in the two villages was made, followed by the monthly...

Author(s)
Arriaga-Jordán, C. M.; Pedraza-Fuentes, A. M.; Nava-Bernal, E. G.; Chávez-Mejía, M. C.; Castelán-Ortega, O. A.
Publisher
Springer Science + Business Media, Dordrecht, Netherlands
Citation
Human Ecology, 2005, 33, 6, pp 821-845

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