Response to alternative genetic-economic indices for Holsteins across 2 generations.

doi:10.3168/jds.2009-2499

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Article

Response to alternative genetic-economic indices for Holsteins across 2 generations.

Journal of dairy science - 1 Jun 2010

Norman H D, Wright J R, Miller R H

Abstract excerpt

Four US genetic-economic indices for dairy cattle were retrofitted to illustrate differences in phenotypic response observed for retrospective selection over 2 generations for currently evaluated traits, even though producers did not have evaluations available at the time for direct selection for those traits. Differences among cows were compared based on ranking of their sires and maternal grandsires (MGS) for...

Topics

Animals
Body Size
Breeding
Cattle
Dairying
Female
Lactation
Male
Milk
Phenotype
Pregnancy
Pregnancy Outcome

Source

Open in PubMed

Identifiers

PMID: 20494179
DOI: 10.3168/jds.2009-2499

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