Genetic parameters estimation and genetic evaluation for longevity in Italian Brown Swiss bulls
Direct longevity EBV of Italian Brown Swiss sires were predicted using a Weibull proportional hazards model. This trait was defined as the risk of culling from first calving. Records from 511,596 Brown Swiss cows with first calving from 1985 to 2005 were used. The model include fixed (age at first c...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2010-01-01
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| Series: | Italian Journal of Animal Science |
| Subjects: | |
| Online Access: | http://www.aspajournal.it/index.php/ijas/article/view/275 |