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Abstract

Additive genetic, permanent environmental, and temporary environmental variance components were estimated for 86 812 milk yield records for different regions, time periods and herd-years according their standard deviation levels for Holstein cattle in Mexico. Variances were estimated using REML and ...

Author(s)
Valencia Posadas, M.; Ruíz López, F. de J.; Montaldo, H. H.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2004, 14, 5, pp 404-411
Abstract

A total of 4007 lactation records from 1520 Saanen goats kidding from 1999 to 2006 and obtained from 10 herds in Guanajuato, Mexico, were analyzed to estimate the heritabilities, repeatabilities, as well as genetic, environmental and phenotypic correlations for milk yield (MILK), fat yield (FAT),...

Author(s)
Torres-Vázquez, J. A.; Valencia-Posadas, M.; Castillo-Juárez, H.; Montaldo, H. H.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Livestock Science, 2009, 126, 1/3, pp 147-153