Genetic Analysis of Milk Urea Nitrogen and Lactose and Their Relationships with Other Production Traits in Canadian Holstein Cattle

Miglior, F.; Sewalem, A.; Jamrozik, J.; Bohmanová, J.; Lefebvre, D.; Moore, R.K.

doi:10.3168/jds.2006-487

Public

Genetic Analysis of Milk Urea Nitrogen and Lactose and Their Relationships with Other Production Traits in Canadian Holstein Cattle

Published in Journal of Dairy Science • Apr 12, 2007

Authors:

F. Miglior

A. Sewalem

J. Jamrozik

Abstract

The objective of this research was to estimate heritabilities of milk urea nitrogen (MUN) and lactose in the first 3 parities and their genetic relationships with milk, fat, protein, and SCS in Canadian Holsteins. Data were a random sample of complete herds (60,645 test day records of 5,022 cows fro...

Subject

Lactose

Animal science

Somatic cell count

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