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AbstractFull Text

The purpose of this study was to identify genotype variants in the beta-casein (CSN2) and kappa-case (CSN3) genes using the PCR-RFLP method in a population of 202 Holstein cattle from two highly technified farms in the state of Jalisco, Mexico. We further assessed the association of these variants...

Author(s)
Duifhuis-Rivera, T.; Lemus-Flores, C.; Ayala-Valdovinos, M. Á.; Sánchez-Chiprés, D. R.; Galindo-García, J.; Mejía-Martínez, K.; González-Covarrubias, E.
Publisher
Pakistan Agricultural Scientists Forum, Lahore, Pakistan
Citation
JAPS, Journal of Animal and Plant Sciences, 2014, 24, 5, pp 1316-1321
Abstract

Heat stress (HS) induces the production of oxygen-derived free radicals associated with deleterious effects on the physiology, pathology and productivity of dairy cows. In order to evaluate physiological and productive responses of Holstein cows during summer and winter in an arid area, 40...

Author(s)
Anzures-Olvera, F.; Macías-Cruz, U.; Álvarez-Valenzuela, F. D.; Correa-Calderón, A.; Díaz-Molina, R.; Hernández-Rivera, J. A.; Avendaño-Reyes, L.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2015, 47, 1, pp 15-20
Abstract

The aim of the present study was to estimate (co)variance components and genetic correlations of days open with milk yield per lactation, lactation length and metabolic weight in Holstein and Brown Swiss cows under subtropical conditions of Mexico. Cows were kept in an intensive rotational grazing...

Author(s)
Ríos-Utrera, Á.; Calderón-Robles, R. C.; Galavíz-Rodríguez, J. R.; Vega-Murillo, V. E.; Lagunes-Lagunes, J.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2015, 25, 1, pp 51-56
Abstract

The reproductive activity of female goats under tropical latitude is modulated by photoperiod; however other non-photoperiodic cues may play a role in this modulation. We assessed the relationships among circulating concentrations of progesterone and environmental cues (photoperiod, atmospheric...

Author(s)
Urrutia Morales, J.; Rosales Nieto, C. A.; Vera Ávila, H. R.; Amezcua Manjarres, E. V.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Small Ruminant Research, 2016, 137, pp 9-16
Abstract

The prevalence of Brucella antibodies in serum of unvaccinated grazing goats as well as risk factors for brucellosis in northeastern Mexico were evaluated using data from a cross-sectional study between 2002 and 2008. Data were from 99 goat flocks. Serum samples from 12,127 goats were analyzed with ...

Author(s)
Marin, V.; Mellado, J.; Garcia, J. E.; Gaytan, L.; Mellado, M.
Publisher
Israel Veterinary Medical Association, Raanana, Israel
Citation
Israel Journal of Veterinary Medicine, 2016, 71, 4, pp 14-20
Abstract

The objective of the present experiment work was to evaluate the effect of the inclusion of genomic information on the additive genetic variance of birth weight (BW) of Charolais cattle in Mexico. Variance components and heritability were estimated using four linear models. The first model was the...

Author(s)
Parra-Bracamonte, G. M.; Lopez-Villalobos, N.; Sifuentes-Rincon, A. M.; Morris, S.; Lopez-Bustamante, L. A.; Meza-Garcia, L. A.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2014, 46, 3, pp 509-512
AbstractFull Text

The productive orientation is understood as characteristics based on history and social and cultural settings which are distinguished in a regional context. In recent decades, by structural in the agricultural sector reforms and external interventions of the development processes, some regions have ...

Author(s)
Jiménez, R. A. J.; Santibáñez, A. M.; Ortiz, V. E.; Rendón, M. C. R.; Pérez, L. M. C.
Publisher
Universidad Nacional Abierta y a Distancia (UNAD), Bogota, Colombia
Citation
Revista de Investigación Agraria y Ambiental, 2017, 8, 1, pp 53-62
Abstract

Lidia bovine breed exists since the XIV century in the Iberian Peninsula. These animals were initially produced for meat but some, showing an aggressive behaviour which difficulted their management, were used to participate in popular traditional and social events. A specialization of the breed...

Author(s)
Eusebi, P. G.; Cortés, O.; Dunner, S.; Cañón, J.
Publisher
Wiley, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2017, 134, 4, pp 332-339
Abstract

Heritabilities and genetic correlations between birth weight (n=13,741), adjusted 240-day weaning weight (WW, n=8,806) and age at first calving (AFC, n=3,955) of Brown Swiss cattle in Mexico were estimated. Data from 91 herds located in 19 of 32 states of Mexico from 1982 to 2006 were provided by...

Author(s)
Segura-Correa, J. C.; Chin-Colli, R. C.; Magaña-Monforte, J. G.; Núñez-Domínguez, R.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2012, 44, 2, pp 337-341
AbstractFull Text

The Criollo Lechero Tropical (CLT) bovines are considered a racial group native to America, with good potential for milk production based on pasture. These breeds have a lower production volume, but higher milk quality (total solids) and resistance to stress in tropical climates, compared with...

Author(s)
Vilaboa Arroniz, J.; Quirós Madrigal, O. J.; Díaz Rivera, P.; Zetina Córdoba, P.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2012, 61, R, pp 31-39

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