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Abstract

Reproductive biotechnologies are used for the conservation, expansion and genetic improvement of cattle, and to facilitate the creation of germplasm banks of elite animals and endangered breeds. The objective of this study was to compare the effects of two different doses of follicle stimulating...

Author(s)
Rosales-Martínez, F.; Rosendo-Ponce, A.; Canseco-Sedano, R.; Cortez-Romero, C.; Torres-Hernández, G.; Becerril-Pérez, C. M.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2018, 28, 2, pp 146-152
Abstract

In order to estimate the genetic parameters and correlations between total lactation milk yield and growth traits in a multiracial population of dual purpose cattle in tropical environments of Mexico, genetic variances and covariances were estimated between total milk yield during the first (PTL1...

Author(s)
Román-Ponce, S. I.; Ruiz-López, F. J.; Romano-Muñoz, J. L.; Vásquez-Peláez, C. G.; Vega-Murillo, V. E.; Román-Ponce, H.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2018, 9, 2, pp 316-327
Abstract

Variance components and genetic parameters were estimated for total milk production at first lactation (MP1), milk yield adjusted to 305 d and adult equivalent at the first lactation (MP1std), total milk production of the first five lactations (MP5) and milk yield adjusted to 305 d and mature...

Author(s)
Toledo Alvarado, H. O.; Ruiz López, F. de J.; Vásquez Peláez, C. G.; Berruecos Villalobos, J. M.; Elzo, M. A.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2014, 5, 4, pp 443-457
Abstract

Methane (CH4) contributes to climatic change and livestock enteric fermentation is the most important anthropogenic source. The Intergovernmental Panel on Climate Change establishes continental default emission factors for enteric methane (Tier I); but decisions and evaluation of mitigation needs...

Author(s)
Morante López, D.; Guevara Escobar, A.; Suzán Azpiri, H.; Lemus Ramírez, V.; Sosa Ferreyra, C. F.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2016, 7, 3, pp 293-308
Abstract

Crossbreeding effects were evaluated in three dual purpose bovine sub-populations in the tropics, and 5,040 lactations, 4,429 birth weights and adjusted weights at 205 [3,878], 365 [3,017] and 540 [2,276] days (PN, P205, P365 y P540, respectively) from Zebu cattle (CE) and its crosses with Holstein ...

Author(s)
Román-Ponce, S. I.; Ruiz-López, F. de J.; Montaldo, H. H.; Rizzi, R.; Román-Ponce, H.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2013, 4, 4, pp 405-416
Abstract

A study was undertaken at two milk production facilities in the Altiplano region of Mexico containing a sample of 1000 Holsteins including primiparas and multiparas. During the gynecological revision performed with ultrasonography, stress indicators were taken with the objective to determine the...

Author(s)
García-Santiago, D.; Garcez-Mercado, N.; Lammoglia-Villagómez, M. Á.; Aedo y Loya, B.; Daniel-Rentería, I. C.
Publisher
Revista Biologico Agropecuaria Tuxpan, Veracruz, Mexico
Citation
Revista Biológico Agropecuaria Tuxpan, 2015, 4, 6, pp 1325-1330
Abstract

In pasture-based dairy systems, there is a close relationship between milk production and dry matter intake (DMI), hence the importance of measuring these variables, although obtaining this information implies high labour and costs. The objective of this study was to design a mathematical model to...

Author(s)
Sánchez-Pérez, R.; Mariezcurrena, M. D.; Elghandour, M. M. M. Y.; Mellado, M.; Camacho-Diaz, L. M.; Cipriano-Salazar, M.; Salem, A. Z. M.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2018, 88, 5, pp 598-601
AbstractFull Text

A study with a transversal design was carried out on the bovine population of Rancho Lupita, Aguascalientes, México, from June to July, 2013. The objective was to reduce mastitis prevalence and to increase the recovery of quarters or animals through actions and procedures of prevention and control. ...

Author(s)
Farray González, J. F.; Rubio García, J. L.; FabréRodríguez, Y.; Alonso Rodríguez, J. C.; Suárez Fernández, Y. E.
Publisher
Centro Nacional de Sanidad Agropecuaria, La Habana, Cuba
Citation
Revista de Salud Animal, 2015, 37, 2, pp 86-93
Abstract

The aim of the study was to analyze different factors that affect the productive and reproductive rates of dual purpose cows (DP). 2584 lactations of 840 cows racial groups were analyzed: 1/2 Holstein (Hs) × 1/2 Zebu (C), 1/2 Brown Swiss (Ps) × 1/2 C, 3/4 Hs × 1/4 C, 3/4 Ps × 1/4 C, + Hs × C, + Ps...

Author(s)
Vite, C.; Purroy, R.; Vilaboa, J.; Severino, V.
Publisher
Instituto Nacional de Investigaciones Agricolas (INIA), Maracay, Venezuela
Citation
Zootecnia Tropical, 2015, 33, 4, pp 337-349
Abstract

An evaluation was done of productive and reproductive performance in Bos taurus (BT) × Bos indicus (BI) cattle in a dual-purpose system under tropical conditions in the state of Tabasco, Mexico. Records were from the UACH-URUSSE production unit, Teapa, Tabasco, and covered the years 1994 to 2011....

Author(s)
Arce Recinos, C.; Aranda Ibáñez, E. M.; Osorio Arce, M. M.; González Garduño, R.; Díaz Rivera, P.; Hinojosa Cuellar, J. A.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2017, 8, 1, pp 83-91

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