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The Effects of Calving to First Service Interval on Reproductive Performance in Normal Cows and Cows with Postpartal Disease
The relationships between the calving to first service interval and several measures of reproductive performance were evaluated in 1738 lactation records from cows in 32 southern Ontario Holstein herds. Lactation records were divided into three mutually exclusive health categories based on the cows&...
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| Format: | Artigo |
| Jezik: | Inglês |
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1983
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| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1790458/ https://ncbi.nlm.nih.gov/pubmed/17422328 |
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