Economic comparison of an ear tag automated activity monitor for estrus detection with timed-AI in Holstein heifers.
| Autor: | Macmillan, K.1 (AUTHOR), Boyda, A.2 (AUTHOR), Gobikrushanth, M.3 (AUTHOR), Plastow, G.1 (AUTHOR), Colazo, M.G.1 (AUTHOR) colazo@ualberta.ca |
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| Zdroj: | Theriogenology. Nov2021, Vol. 175, p155-162. 8p. |
| Databáze: | Academic Search Ultimate |
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