Influences of progeny test programs on genetic evaluations of young sires.

doi:10.3168/jds.S0022-0302(98)70145-6

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Article

Influences of progeny test programs on genetic evaluations of young sires.

Journal of dairy science - 1 Sept 1998

Vierhout C N, Cassell B G, Pearson R E

Abstract excerpt

Our purpose was to examine differences among AI progeny test programs in their effectiveness in identifying elite young sires for milk and protein. Data were from 6238 Holstein sires in five animal model evaluations of the USDA from January 1995 to February 1997. Bulls were required to be < or =...

Topics

Animals
Breeding
Cattle
Female
Genetic Variation
Lactation
Male
Milk
Milk Proteins
Models, Genetic
Pedigree

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