The effect of housing condition on the performance of two types of activity meters to detect estrus in dairy cows
| Autor: | Roelofs, J.B., Krijnen, C., van Erp-van der Kooij, E. |
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| Zdroj: | In Theriogenology 15 April 2017 93:12-15 |
| Databáze: | ScienceDirect |
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