Article
Parameters for milk somatic cell score and relationships with production traits in primiparous dairy sheep.
Journal of dairy science - 1 Apr 2007
Riggio V, Finocchiaro R, van Kaam J B C H M, Portolano B, Bovenhuis H
Abstract excerpt
A total of 13,066 first-lactation test-day records of 2,277 Valle del Belice ewes from 17 flocks were used to estimate genetic parameters for somatic cell scores (SCS) and milk production traits, using a repeatability test-day animal model. Heritability estimates were low and ranged from 0.09 to 0.14 for milk, fat, and protein yields, and contents. For SCS, the heritability of 0.14 was relatively high. The...
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