Experimental selection for calving ease and postnatal growth in seven cattle populations. II. Phenotypic differences.

doi:10.2527/jas.2007-0768

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Article

Experimental selection for calving ease and postnatal growth in seven cattle populations. II. Phenotypic differences.

Journal of animal science - 1 Sept 2008

Bennett G L, Thallman R M, Snelling W M, Kuehn L A

Abstract excerpt

Effects of selection for 2-yr-old heifer calving ease (reduced calving difficulty score) on phenotypic differences between select and control lines of cattle for birth, growth, yearling hip height, and pelvic measurements were estimated. The selection objective was to decrease calving difficulty score in 2-yr-old heifers, while either maintaining or increasing yearling weight. The control line objective was to...

Topics

Animal Husbandry
Animals
Birth Weight
Breeding
Cattle
Dystocia
Female
Least-Squares Analysis
Male
Phenotype
Pregnancy
Quantitative Trait, Heritable
Selection, Genetic

Source

Open in PubMed

Identifiers

PMID: 18441079
DOI: 10.2527/jas.2007-0768

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