Associations of the epithelial mucin, PAS-1, with yield, health, and reproductive traits in Holstein dairy cows.

Abstract excerpt

Five polymorphic forms of the epithelial mucin, PAS-1, were identified in milk by SDS-PAGE. The sizes of PAS-1 ranged from 194.5 to 163 kDa. Mature equivalent milk, fat, and protein yields and protein and fat percentages from 139 cows in The Pennsylvania State University herd were analyzed with two models. Both models contained a year and season combination of calving and parent average. In Model [1], yields were...

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