2009•Animal husbandry and feed scienceRequires access

Change Pattern of SCC in Milk of Dairy Cows and Its Relationship with Milk Composition

Tengyun Gao

Abstract

DH of 282 dairy cows with 1～7 parity were determined at one dairy farm of Henan province,SCC of different parities and lactation month were analysed,and milk composition of different SCC level also were detected.The result indicated that rising of SCC was correlective to increase of parity,its level in the early and late-stage was higher than that of theintermediate stage,SCC could impact milk yields of dairy cows significantly,and also milk fat and milk protein percentage to a certain degree.

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Key concepts: Lactation, Parity (physics), Animal science, Dairy cattle, Composition (language), Milk fat, Biology, Food science