Article
Genetic parameters for milk urea nitrogen in relation to milk production traits.
Journal of dairy science - 1 Apr 2007
Stoop W M, Bovenhuis H, van Arendonk J A M
Abstract excerpt
The aim of this study was to estimate genetic parameters for test-day milk urea nitrogen (MUN) and its relationships with milk production traits. Three test-day morning milk samples were collected from 1,953 Holstein-Friesian heifers located on 398 commercial herds in The Netherlands. Each sample was analyzed for somatic cell count, net energy concentration, MUN, and the percentage of fat, protein, and lactose....
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