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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

Records of milk production adjusted to 305 d, adult equivalent of the first lactation and two milking were used. Those come from the National Breeding in Mexico PNMG (n=163.885), which includes records of the Holstein Association of Mexico (AHM) (n=43.668) and National Bank of Dairy Information...

Author(s)
Toledo Alvarado, H. O.; Ruiz López, F. de J.; Vázquez 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 471-485
Abstract

Records of 1,289 cows at first calving with different proportions of Bos indicus and Bos taurus genes (Charolais, Brown Swiss, Simmental, Holstein Friesian, Salers) were analyzed. The cows were both purebreds and crossbreds from a commercial herd born between 1966 and 2006. They were used to...

Author(s)
Toledo Alvarado, H. O.; Berruecos Villalobos, J. M.; Vázquez Peláez, C. G.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2015, 6, 1, pp 1-13