Statistical Evaluation of Factors and Interactions Affecting Dairy Herd Improvement Milk Urea Nitrogen in Commercial Midwest Dairy Herds.

Autor: Wattiaux, M. A.1 wattiaux@wisc.edu, Nordheim, E. V.2, Crump, P.3
Zdroj: Journal of Dairy Science. Aug2005, Vol. 88 Issue 8, p3020-3035. 16p. 9 Charts, 6 Graphs.
Databáze: Business Source Ultimate