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Article

Evidence of genetic and maternal effects on secondary sex ratio in cattle.

Theriogenology - 1 Apr 2011

Berry D P, Kearney J F, Roche J R

Abstract excerpt

There is a paucity of estimates of genetic variation for secondary sex ratio (i.e., sex ratio at birth) in dairy cattle. The objective of this study was to estimate the direct and maternal genetic variance as well as maternal permanent environmental variance for offspring sex in dairy herds. The data consisted of 77,508 births from 61,963 dams and 2,859 sires in 1,369 Irish dairy herds across the years 2003 to...

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PMID: 21196030
DOI: 10.1016/j.theriogenology.2010.11.011

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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