Genetic relationship between milk urea nitrogen and reproductive performance in Holstein dairy cows
The objective of this study was to describe the genetic and phenotypic relationship between milk urea nitrogen (MUN) and reproductive traits in Iranian Holstein dairy cows. Test-day MUN data obtained from 57 301 dairy cows on 20 large dairy herds in Iran between January 2005 and June 2009. Genetic p...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2011-01-01
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| Series: | Animal |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1751731110001606 |