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Genetic effects of aging on egg production traits in the first laying cycle of White Leghorn strains and strain crosses.

Poultry science - 1 Mar 2000

Ledur M C, Fairfull R W, McMillan I, Asseltine L

Abstract excerpt

Three White Leghorn strains, their two-way crosses, and two commercial lines were used to evaluate the effects of aging on mean heterosis, reciprocal, additive, Z-chromosome, and heterotic effects and their variances in two egg production traits during the first laying cycle. Egg number of the survivors (EPF) and egg number including mortality and morbidity (EPM) were evaluated from hens housed one per cage in a...

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PMID: 10735193
DOI: 10.1093/ps/79.3.296

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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