Economic analysis of the De Laval activity meter system for heat detection
During the last centuries dairy cow breeding has strived to increase milk yield resulting in a dairy cow that produces large quantities of milk. However, high milk yield has been shown to be correlated with decreased reproductive performance (Nebel & McGilliard; 1993). The problem with low fertility...
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| Format: | Otro |
| Language: | Swedish Inglés |
| Published: |
2007
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| Online Access: | https://stud.epsilon.slu.se/10890/ |
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