Article
Dry matter intake in US Holstein cows: Exploring the genomic and phenotypic impact of milk components and body weight composite.
Journal of dairy science - 1 Sept 2024
Toghiani Sajjad, VanRaden Paul M, VandeHaar Michael J, Baldwin Ransom L, Weigel Kent A, White Heather M, Peñagaricano Francisco, Koltes James E, Santos José Eduardo P, Parker Gaddis Kristen L, Tempelman Robert J
Abstract excerpt
Large datasets allow estimation of feed required for individual milk components or body maintenance. Phenotypic regressions are useful for nutrition management, but genetic regressions are more useful in breeding programs. Dry matter intake records from 8,513 lactations of 6,621 Holstein cows were predicted from phenotypes or genomic evaluations for milk components and body size traits. The mixed models also...
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