María ISABEL Pérez León

• Instituto Tecnológico del Valle de Oaxaca

Las comunidades indígenas conservan sus prácticas locales en torno a los recursos naturales, las cuales contribuyena la conservación de la naturaleza y satisfacción de sus necesidades alimenticias y socioculturales. Elobjetivo de la investigación fue analizar las prácticas de aprovechamiento y manejo de los recursos naturales enespacios indígenas d...

The purpose of this research was to analyze the process of africanization of colonies managed by honey bees (Apis mellifera) by means of PCR-RFLP analysis of mitochondrial DNA and its relationship with sanitary, defensive and production aspects in 33 apiaries by means of a stratified random sampling in a gradient from 450 to 1,500 meters above sea...

Los agroecosistemas tradicionales poseen diferentes características productivas, económicas, culturales y sociales; que provocan variabilidad del estado de sustentabilidad de cada uno de ellos. El objetivo fue evaluar niveles de sustentabilidad de los principales agroecosistemas de maíz en la planicie costera del Istmo de Tehuantepec; para diseñar...

This research, conducted in the Mixtec language using a qualitative methodology, explores the attributes of ethnic identity by analyzing the self-conception of the ‘Mixtec being’ through language, clothing, occupation and worldview. The techniques applied were participant observation, semi-structured interviews, and dialogical workshops on knowledg...

El agroturismo es actividad complementaria y una estrategia en la agricultura para fortalecer el desarrollo de comunidades rurales por su capacidad para generar ingresos no agrícolas a las familias campesinas. Integra de manera coherente y armoniosa aspectos económicos, de conservación de recursos naturales, aspectos sociales, culturales y la parti...

El árbol de Linaloe (Bursera linanoe), es uno de los diversos copales aromáticos mexicanos, que su resina es utilizada en productos cosméticos, medicinales e industriales; generando ingresos económicos significativos en las zonas rurales reconocidas por su pobreza. La presente investigación se realizo en San Juan de los Cues, Oaxaca, durante abril...

La africanización, las enfermedades, especialmente varroasis, la inestabilidad del mercado internacional de la miel y el deterioro del entorno ecológico, ha llevado a una constante investigación sobre como obtener abejas con características de alto rendimiento, baja defensividad y resistencia a enfermedades. El objetivo fue evaluar el comportamient...

Africanization, disease, particularly varroosis, the instability of the international honey market and the deterioration of ecological environment, has led to a constant research on how to obtain bees with high performance characteristics, low defensiveness and resistance to disease. The objective was to evaluate the defense, hygiene and productive...

The stated goal in this study was to evaluate the behavior in dairy goats Saanen and Alpine during the Fall-Winter, as well as the influence of the number of labor in production and milk quality, low semi feedlot conditions. The research was conducted in two phases, the first was held at the ranch "Las Cabrillas", located in the community of San Ju...

Linaloe Tree (Bursera linanoe), is one of several aromatic Mexican copal and its resin is used in cosmetics, medicinal and industrial; generating significant income in rural areas known for their poverty. This research was conducted in San Juan de los Cues, Oaxaca, from April 2010 to March 2011 in order to evaluate the engraftment of cuttings, the...

Nowadays assessing egg quality are used various parameters like weight variation, variation in the air cell and albumen, yolk and shell quality; all these with the sole purpose of presenting a highly reliable product for consumers. The objective of study was to determine the quality of the chicken egg in four hybrid lines, grown in two production s...

To assess the ecological dimension that three agroecosystems of sheep production have (extensive, semi-intensive and intensive) in the central valleys of Oaxaca, was used part of the Assessment Framework Methodology Management Systems Incorporating Sustainability Indicators (MESMIS) by measuring indicators that allow assessing the ecological dimens...

The effect of purslane (Portulaca oleracea L) and ryegrass (Lolium perenne) on yield and chemical characteristics of native chicken meat was evaluated. The research was conducted at the Technological Institute of Oaxaca Valley during 2011 and 2012, determining the live weight, losses due to non-meat components, major cuts weight, protein content, f...

The elaboration of diagnostic constitutes a set of actions oriented to gather the necessary information and available to achieve the best possible knowledge about the basin or watershed, its problems and its causes. The objective of this study was to assess the natural resources in the watershed Yuqueza River under watershed approach management in...

La presente investigación se realizó en las dos áreas representativas de ecosistema que abarca la Empresa Municipal Agropecuaria de Fomento: productivas; la CPA “Nueva Unión” y UBPC “Río Arriba”, en la etapa comprendida entre enero y diciembre del año 2008. Se condujo un experimento que tuvo como factores estos dos ecosistemas cafetaleros y las dos...

The aim of this study was to determine whether or not oestrus induction on the day of weaning would reduce the distress experienced by ewes upon separation from lambs. For this, 43 ewes, their eight week-old lambs and six mature rams were used. Prior to weaning, 21 of these ewes were induced to display oestrus on the day of mother-young separation...

The association between stimulation of sexual activity and semen characteristics of sexually mature goats was evaluated. Nine 2-year-old criollo bucks were used. Each buck was subjected to 8-weekly trials in which one of the following two treatments was alternately applied. In treatment 1, males were individually exposed to the same estrus-induced...

The effect of management of the female stimulus during semen collection and its association with libido re-establishment and the semen characteristics of sexually mature goats was evaluated. Eight 2-yr-old bucks were individually subjected to 12 weekly trials in which one of the following three treatments was applied alternately. In treatment one,...

Con el propósito de evaluar el efecto del sistema de crianza (extensivo vs semiintensivo) del macho cabrío, en el entrenamiento para colecta de semen mediante vagina artificial, se utilizaron ocho animales criollos, de dos años de edad, con experiencia sexual; cuatro habían sido criados bajo condiciones extensivas, y los restantes bajo un manejo se...