Genetic analysis of age at first service, return rate, litter size, and weaning-to-first service interval of gilts and sows.

doi:10.2527/2005.83141x

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Article

Genetic analysis of age at first service, return rate, litter size, and weaning-to-first service interval of gilts and sows.

Journal of animal science - 1 Jan 2005

Holm B, Bakken M, Vangen O, Rekaya R

Abstract excerpt

The aim of this study was to estimate genetic parameters of seven traits related to sow reproductive performance. Data on all Norwegian Landrace pigs (NL) born in nucleus herds and raised in nucleus or multiplying herds from 1990 to 2000 were extracted from the Norwegian national recording scheme. Reproductive traits investigated were age at first service (AFS), return rate in gilts (RRg), age at first farrowing...

Topics

Age Factors
Animals
Bayes Theorem
Breeding
Female
Genetic Variation
Linear Models
Litter Size
Male
Normal Distribution
Quantitative Trait, Heritable
Reproduction
Statistics as Topic
Swine
Time Factors
Weaning

Source

Open in PubMed

Identifiers

PMID: 15583041
DOI: 10.2527/2005.83141x

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