Effects of including a quantitative trait locus in selection under different waiting plans of young bulls.

doi:10.3168/jds.S0022-0302(03)73645-5

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Article

Effects of including a quantitative trait locus in selection under different waiting plans of young bulls.

Journal of dairy science - 1 Feb 2003

Abdel-Azim Gamal, Freeman A E

Abstract excerpt

The advantage of using the genotype of a quantitative trait locus (QTL) in selection schemes of dairy cattle was quantified using stochastic simulation. Three selection plans were studied. In the first plan, young bulls waited for 3 yr until their sisters completed a lactation and then were evaluated and selected based on an animal model. In a second plan, young bulls waited for 5 yr until their daughters...

Topics

Animals
Breeding
Cattle
Female
Gene Frequency
Genotype
Lactation
Male
Quantitative Trait Loci
Selection, Genetic

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Open in PubMed

Identifiers

PMID: 12647973
DOI: 10.3168/jds.S0022-0302(03)73645-5

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