Article
Realized genetic selection differentials in Canadian Holstein dairy herds.
Journal of dairy science - 1 Feb 2020
Hagan B A, Moro-Mendez J, Cue R I
Abstract excerpt
Estimated breeding values for a selection index, production, durability, health, and fertility traits for Canadian Holstein bulls and cows born from 1950 and 1960, respectively, were used to define and determine realized genetic selection differentials (GSD) and generation intervals along the 4-path model of genetic improvement and the variability among herds in realized GSD. The effects of some non-genetic...
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