Article
Udder health shows inbreeding depression in Danish Holsteins.
Journal of dairy science - 1 Oct 2006
Sørensen A C, Madsen P, Sørensen M K, Berg P
Abstract excerpt
The purpose of this study was to estimate inbreeding depression for udder health using records on mastitis incidence and somatic cell count (SCC). Data were selected based on a pedigree completeness index so that inbreeding coefficients were reliable. Average inbreeding was 3.3%. The presence or absence of mastitis was considered in first (CM1), second (CM2), and third (CM3) lactations, and was recorded as a...
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