Article
Genotype by environment interaction for Holstein milk yield in Colombia, Mexico, and Puerto Rico.
Journal of dairy science - 1 May 1991
Stanton T L, Blake R W, Quaas R L, Van Vleck L D, Carabaño M J
Abstract excerpt
Components of (co)variance and genetic parameters were estimated by REML procedures from first lactation mature equivalent Holstein milk records from 54,604 Colombian, Mexican, and Puerto Rican cows and 198,079 US cows. The objective was to determine the cause of heterogeneous daughter response to sire selection for milk yield between the regions. Data from Latin America were partitioned by country and by...
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