Genetic evaluation for persistency of lactation in Holstein cows using a random regression model
A model for analyzing test day records including both fixed and random coefficients was applied to the genetic evaluation of first lactation data for Holstein cows. Data comprising 87045 test-day milk yield records from calving between 1997 and 2001 from Holstein herds in 10 regions of the Brazilian...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Sociedade Brasileira de Genética
2007-03-01
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| Series: | Genetics and Molecular Biology |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000300009 |