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41 resultados encontrados para: AUTOR: Pinto Ruiz, René
11.
- Artículo con arbitraje
Resumen en: Inglés |
Resumen en inglés

This paper integrates a methodology for an assessment previous to organic certification of transition farms. The methodology was designed and applied to a farm in the municipality of Villaflores, Chiapas. Research consisted of grouping certification standards from different certification agencies into an integrated methodology for evaluating the farm prior to it being submitted to the certification process. The norms proposed by the International Federation of Organic Agriculture Movements and the Mexican certifier of ecological products were utilized—both of these accredited by the German certification program—as well as the Japanese Ministry of Agriculture’s principles of organic agriculture. The methodology was based on a systemic approach and applied using agricultural anthropology. Field research was conducted from January-May 2012, through interviews, field observations and triangulation of information. Results indicated that within the agricultural sub-system of the farm, 77% of indicators meet the norms of organic certification and within the animal subsystem only 74%. This study permits the pre-assessment of farms and the progress quantification toward organic certification. Given the cost of taking on the certification process, this pre-assessment represents an important tool to help small farmers develop their capacity to identify farm components and interactions, keep records on all farm activities and plan organic transitions.


12.
- Artículo con arbitraje
Sustitución de melaza por mucílago de café (Coffea arabica l.) en bloques nutricionales para rumiantes
Pinto Ruiz, René ; Medina, J. A. (coaut.) ; Medina, F. J. (coaut.) ; Guevara Hernández, Francisco (coaut.) ; Gómez, H. (coaut.) ; Ley, A. (coaut.) ; Carmona de la Torre, Jesús (coaut.) ;
Contenido en: Archivos de Zootecnia Año 2014, Vol. 63, no. 241 (marzo 2014), p. 65-71 ISSN: 1885-4494
PDF
Resumen en: Español | Inglés |
Resumen en español

El objetivo de este trabajo fue evaluar la incorporación del mucílago, subproducto del café, en la fabricación de bloques nutricionales sobre sus variables de fabricación, composición química y preferencia animal. Se utilizaron bloques nutricionales elaborados con distintos porcentajes de inclusión de mucilago de café (0, 25, 50, 75 y 100 %) en sustitución de la melaza, además de los ingredientes base como, maíz, cemento, urea, minerales y azufre. Se evaluaron las variables: días de fraguado, consistencia, facilidad de mezclado y dureza; la composición química se conoció a través del análisis de proteína cruda, insoluble y soluble, fibra detergente neutra, materia orgánica y cenizas. Para la prueba de preferencia animal se utilizó una prueba de cafetería, en la cual, a través de la observación continua, se realizaron las mediciones siguientes: número de visitas, número de lamidas o mordidas, tiempo efectivo de mordidas o lamidas y el consumo de cada bloque por cada animal. Con estas mediciones, se calcularon las siguientes variables: velocidad de lamida/mordida, velocidad de consumo, tamaño de lamida/mordida, tasa de consumo e índice de preferencia. Los datos de calidad y preferencia fueron sometidos a un análisis de varianza mediante el procedimiento GLM del paquete estadístico SAS (SAS, 1991).

Para las variables de calidad se utilizó un diseño experimental completamente al azar con cuatro tratamientos y diez repeticiones por tratamiento. Para la prueba de preferencia, el experimento tuvo un período de colecta de datos de cuatro días con dos periodos de evaluación. Se utilizó un diseño experimental cuadrado latino 4x4. En ambos casos, las medias fueron evaluadas utilizando la prueba de Tukey (p<0,05). Los resultados indican que es factible la incorporación de mucilago de café en la fabricación y consumo de bloques nutricionales hasta en un 75 % en sustitución de melaza de caña, ya que no se producen alteraciones en la composición química de éstos, además que la preferencia animal es mayor.

Resumen en inglés

The objective of this study was to evaluate the incorporation of the sub product mucilage of coffee in the fabrication of nutritional blocks and its impact on fabrication variables, chemical composition and animal preference. Nutritional blocks with different concentrations of coffee mucilage (0, 25, 50, 75 and 100 %) were used in place of molasses and combined with base ingredients corn, cement, urea, minerals and sulfur. The following variables were evaluated: setting time, consistency, ease of mixing, and hardness. The chemical composition was found by analyzing raw protein, insoluble and soluble protein, fractions of neutral detergent fiber, organic matter and ash. For the test of animal preference, a cafeteria test was used with the following measurements: number of visits, number of licks and bites, effective time of licking or biting, and consumption of each block by each animal. The field measurements were used to calculate the following variables: licking/biting speed, consumption speed, size of lick or bite, consumption rate and preference index. Data on quality and preference were submitted to an analysis of variance through the GLM procedure of the SAS statistical package (SAS, 1994). Quality variables were analyzed using a randomized experimental design with seven treatments and 10 repetitions per treatment. For the preference test, the experiment had a data collection period of four days, with two evaluation periods. A Latin square experimental design was used. In both cases, averages were evaluated using the Tukey test (p<0.05). Results indicate that it is feasible to incorporate coffee mucilage in nutritional blocks as an up to 75 % substitution for molasses from sugar cane. No alterations are thus produced in the chemical composition of the nutritional blocks and animal preference is greater than with molasses.


13.
- Artículo con arbitraje
*Solicítelo con su bibliotecario/a
Energy balance of the local system of fattening bovine production in Tecpatán, Chiapas, México
Guevara Hernández, Francisco (autor) ; Rodríguez Larramendi, Luis Alfredo (autor) ; Saraoz, V. (coaut.) ; La O Arias, Manuel A. (autor) ; Gómez, H. (coaut.) ; Pinto Ruiz, René (autor) ; Fonseca, María (autora) ; Ruiz, B. (coaut.) ; Nahed Toral, José (autor) ;
Disponible en línea
Contenido en: Cuban Journal of Agricultural Science Vol. 47, no. 4 (2013), p. 359-365 ISSN: 0864-0408
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

The energy balance of two systems of fattening cattle production in Tecpatán, Chiapas, México is described. It is shown that the studied animal husbandry systems, which purpose is meat production, are energetically efficient with values of 4.53 and 4.99 MJ, produced for each unit of consumed energy for both productive units. Likewise, these systems develop an energy potential that does not fulfill the diet of a person, and its production of animal protein satisfies the requirements of six people per hectare a year. From the economical point of view, the animal husbandry systems of meat production have a benefit/cost relation of 1.56 Mexican pesos per each invested peso, which indicates this practice is economically possible for the producers from the area of study.


14.
- Artículo con arbitraje
Resumen en español

The perceptions on sustainable livestock training given to farmers from different communities of the Biosphere Reserve La Sepultura (BIRESE) were analyzed. The research was conducted from January to December 2011 through a socio-anthropological study based upon an evaluative diagnosis, with semi-structured interviews, ethnography, observations, and collection of training materials. The information was synthesized in tables, considering the points of view of livestock farmers, representatives from the institutions supporting the training and the training team. The analysis focused on the background, topics, methods, results and expectations of the training. Results showed that farmers and representatives of the different institutions perceived few changes in livestock systems as a consequence of the training given in the context of BIRESE. However, farmers stated that there were some changes in the system, for example, the increase of production as an indirect result of the training received. Both the farmer groups and the representatives of the institutions are optimistic for the future and acknowledge that cattle raising can be done in an environmental friendly way. The reason of this perception is the permanent presence of actors promoting sustainable livestock. Farmers consider adopting the acquired practices as a very important issue, although they refer to lack of financial resources and technical assessment as the main limitations for its implementation. It is concluded that the perceptions on training are very similar among all actors involved in the BIRESE, which can be considered as an advantage for the initiatives or processes to be encouraged at short and middle terms in relation to sustainable livestock.


15.
- Artículo con arbitraje
*En hemeroteca, SIBE-San Cristóbal
Sustainability of holistic and conventional cattle ranching in the seasonally dry tropics of Chiapas, Mexico
Ferguson, Bruce G. (1967-) ; Diemont, Stewart A. W. (coaut.) ; Alfaro Argüello, Rigoberto (coaut.) ; Martin, Jay F. (coaut.) ; Nahed Toral, José (coaut.) ; Álvarez Solís, José David (coaut.) (1959-) ; Pinto Ruiz, René (coaut.) ;
Contenido en: Agricultural Systems Vol. 120 (September 2013), p. 38–48 ISSN: 0308-521X
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
5240-20 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
Resumen en: Inglés |
Resumen en inglés

Conventional cattle ranching in the lowlands of Chiapas, Mexico typically employs extensive grazing, annual pasture burns and frequent applications of agrochemicals, threatening biodiversity and long-term productivity. A small group of innovative ranchers in the Central Valleys are converting to holistic management through careful land-use planning, rotational grazing, diversified forage, and diminished use of purchased inputs. We compared the sustainability of 18 conventional and seven holistic, dual-purpose ranches, using three sets of sustainability metrics. First, we combined semistructured interviews and field observations to better describe the two productions systems and to calculate an “Organic Conversion Index” (OCI), combining economic, social, technological and environmental indicators. Holistic ranchers have more pasture divisions, higher grazing pressure, greater lengths of time between pasture burns, greater milk productivity, larger forest reserves, lower cow and calf mortality, purchase less hay and feed, and use less herbicides and pesticides than their conventional neighbors (T-tests and Fisher’s Exact Tests; all p < 0.05). OCI was greater (T-test, p < 0.0005) for holistic ranches (81.8 ± 4.6% compliance with organic standards), than for conventional ranches (32.1 ± 9.0% compliance), with holistic ranches demonstrating superiority for nine of ten OCI indicators. Second, drawing on data from the same interviews, we conducted “emergy” analysis to quantify the embodied energy of inputs, outputs and sustainability of the ranching systems. The Emergy Yield Ratio, an index of a systems emergy throughput relative to the emergy in purchased inputs, was marginally higher in holistic ranches (T-test; p = 0.07), but became significant when only ranches >40 ha were analyzed (p = 0.04) and when government assistance (mostly in the form of machinery) was removed from the calculations (p = 0.008).

Holistic ranches exhibited marginally higher Emergy Sustainability Indices, a measure of system yield relative to environmental impact, for all ranches combined (p = 0.07) and for ranches >40 ha (p = 0.06). Third, we sampled vegetation and soils on seven holistic and seven conventional ranches. We found higher soil respiration, deeper topsoil, increased earthworm presence, more tightly closed herbaceous canopies (all p < 0.05), and marginally greater forage availability (p = 0.053) in holistic ranches. Other variables, including soil compaction, soil chemistry and pasture tree cover, did not differ significantly between groups. These data are a snapshot of long, complex processes. Nonetheless, these complementary metrics combine to suggest that holistic management strategies are leading to greater ecological and economic sustainability. This production model merits further study for potential broader application as well as greater attention from decision makers concerned with ranching and the environment.


16.
Libro
5o. congreso de investigación UNACH: memoria de ponencias / compilador: Irving Hernán Escobar Martínez
Congreso de Investigación UNACH (5to. : 2012 : Tuxtla Gutiérrez, Chiapas) ; Escobar Martínez, Irving Hernán (compilador) ;
Tuxtla Gutiérrez, Chiapas, México : Universidad Autónoma de Chiapas. Dirección General de Investigación y Posgrado , 2012
Clasificación: CH/303.483097275 / C6
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
ECO010016364 (Disponible)
Disponibles para prestamo: 1

17.
- Artículo con arbitraje
Resumen en: Inglés |
Resumen en inglés

The objective of this study was to analyze the perceptions of representatives of government agencies and educational institutions regarding problems related to cattle raising in the El Ocote Biosphere Reserve. Through a structural analysis, we identified and prioritized problems which due to their joint relevance, require immediate attention in order to elaborate inter-institutional plans of action which would contribute to the sustainability of cattle raising systems in natural protected areas. Problems in the zone of power (fairly uninfluenced by other problems but which highly influence other problems) were the following: lack of inter-institutional coordination with a motricity index of 10.7% and a dependence index of 3.31%, lack of public policies which promote environmentally friendly cattle raising with a motricity index of 9.09% and a dependence index of 7.74% and lack of organization among producers with a motricity index of 8.26% and a dependence index of 4.13%. A prioritization of the problems illustrates the importance of the institutions working together to seek solutions to those problems of greater motrocity in order to transcend currently prevalent force fields. Through collective action, the institutions should collectively propose actions and strategies to decision makers, legislators and other political actors in favor of sustainable cattle raising. Furthermore, there is a need for institutions to foment organization among producers and institutions in order to enhance the impact of projects. Meanwhile, institutions should transcend unilateral interests which often hinder efforts of representatives of institutions which work within the El Ocote Biosphere Reserve.


18.
Capítulo de libro - Memoria en extenso
*Solicítelo con su bibliotecario/a
Sistemas tradicionales de producción agropecuaria y su contribución a la mitigación del cambio climático en la Frailesca, Chiapas
Ocaña Grajales, Martín de Jesús ; Guevara Hernández, Francisco (coaut.) ; Nahed Toral, José (coaut.) ; Rodríguez Larramendi, Luis Alfredo (coaut.) ; Pinto Ruiz, René (coaut.) ; Gómez Castro, Heriberto (coaut.) ;
Contenido en: 5º. Congreso de investigación. Memoria de ponencias del congreso de investigación 2012 Tuxtla Gutiérrez, Chiapas, México : Universidad Autónoma de Chiapas : Consejo Nacional de Ciencia y Tecnología : Comités Interinstitucionales para la Evaluación de la Educación Superior, 2012 p. 414-415 ISBN:978-607-8207-44-2
Nota: Solicítelo con su bibliotecario/a

19.
- Capítulo de libro con arbitraje
*Solicítelo con su bibliotecario/a
Agroforestería pecuaria en una comunidad de la zona de amortiguamiento de la Reserva de la Biosfera El Ocote, Chiapas, México
Gómez Castro, Heriberto (autor) ; Nahed Toral, José (autor) ; Pinto Ruiz, René (autor) ; Guevara Hernández, Francisco (autor) ; Medina Jonapá, Francisco Javier (autor) ;
Disponible en línea
Contenido en: Alternativas para una reconversión ganadera sustentable / José Manuel Palma García, José Nahed Toral, Leonor Sanginés García, coordinadores Distrito Federal, México : Universidad de Colima : El Colegio de la Frontera Sur : Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, 2011 p. 151-180 ISBN:978-607-7797-03-6 :: 978-607-7797-02-9
Cerrar
SIBE Campeche
43894-40 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE Chetumal
43894-30 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE San Cristóbal
43894-10 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE Tapachula
43894-20 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE Villahermosa
43894-50 (Disponible)
Disponibles para prestamo: 1
Nota: Solicítelo con su bibliotecario/a

20.
- Libro con arbitraje
Alternativas para una reconversión ganadera sustentable / José Manuel Palma García, José Nahed Toral, Leonor Sanginés García, coordinadores
Palma García, José Manuel (coordinador) ; Nahed Toral, José (coordinador) ; Sanginés García, Leonor (coordinadora) ;
Distrito Federal, México : Universidad de Colima :: El Colegio de la Frontera Sur :: Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán , 2011
Clasificación: EE/634.990972 / A4
Cerrar
SIBE Campeche
ECO040004461 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE Chetumal
ECO030007419 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE San Cristóbal
ECO010019179 (Disponible) , ECO010014803 (Disponible)
Disponibles para prestamo: 2
Cerrar
SIBE Tapachula
ECO020011745 (Disponible)
Disponibles para prestamo: 1
Cerrar
SIBE Villahermosa
ECO050004655 (Disponible)
Disponibles para prestamo: 1
Índice | Resumen en: Español |
Resumen en español

La presente obra surge en un momento en que la búsqueda de alternativas tecnológicas que den viabilidad económica y ambiental a los sistemas de producción es una urgente necesidad. Por lo anterior, y por su contenido teórico y de información empírica, la publicación del presente libro tiene una gran prioridad. Este tipo de conocimiento es escaso en la bibliografía local en nuestro país. Por ello, la que se genere requiere ser circulada, analizada y enriquecida con nuevas aportaciones. Esta publicación contiene elementos tanto de análisis como metodológicos que son de gran utilidad para el estudio, reflexión y propuesta de los sistemas agroforestales pecuarios. Va desde los sistemas silvopastoriles del estado de Tabasco hasta la caracterización de los sistemas silvopastoriles de producción de leche del sur del estado de México. Asimismo, propone la valoración de especies de árboles y arbustos forrajeros del nor-poniente del estado de México hasta el estudio de diferentes especies nativas de los agostaderos naturales de las zonas templadas, áridas y semiáridas, así como de las praderas naturales de las zonas tropicales. Aporta estudios específicos como en el caso de la evaluación de la leguminosa arbórea Glericidia sepium (Jack) Kunth ex Walp, como estrategia de desarrollo silvopastoril en el trópico seco de Colima y del establecimiento y uso del forraje de tulipán (Hibiscus rosa-sinensis) en Yucatán.

Finalmente, muestra los resultados de la agroforestería pecuaria en la Selva Lacandona y de una comunidad de la zona de amortiguamiento de la Reserva de la Biosfera "El Ocote", ambos trabajos desarrollados en Chispas, México. Por lo tanto, la obra en su conjunto constituye un aporte reciente a la mejora de los sistemas de producción pecuarios en las regiones ganaderas del país, con profundidad teórica y sostenida por aportaciones de diversas investigaciones de los propios autores que, de manera sobresaliente, han contribuido con conceptos y principios al tema de estudio.

Índice

Prefacio
Introducción
I. Los sistemas silvopastoriles del estado de Tabasco
II. Caracterización de los sistemas silvopastoriles de producción de leche del sur del estado de México
III. Árboles y arbustos forrajeros del nor-poniente del estado de México
IV. Composición química y nutricional de diferentes especies arbóreas y arbustivas
V. Evaluación de la leguminosa arbórea Gliricia sepium (Jack) Kunth ex Walp como estrategia de desarrollo silvopastoril en el trópico seco de Colima
VI. Establecimiento y uso del forraje de tulipán (Hibiscus rosa-sinensis) en Yucatán
VII. Agroforestería pecuaria en la Selva Lacandona (Chiapas, México)
VIII. Agroforestería pecuaria en una comunidad de la zona de amortiguamiento de la Reserva de la Biosfera "El Ocote" (Chiapas, México)
Epilogo