Article
Realized genetic selection differentials in Canadian Ayrshire, Jersey, and Brown Swiss dairy cattle populations.
Journal of dairy science - 1 Feb 2021
Hagan B A, Moro-Mendez J, Cue R I
Abstract excerpt
Estimated breeding values of a selection index, production, durability, health, and fertility traits from Canadian Ayrshire, Jersey, and Brown Swiss bulls and cows were used to study genetic selection differentials (GSD). The bulls and cows were born from 1950 and 1960, respectively. The GSD for the 3 Canadian dairy populations were studied along the 4-path selection model: sire-to-bull (SB), dam-to-bull (DB),...
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