A note on the effects of boar presence on the performance of sows and their litters when penned as groups in late lactation.
Autor: | Petchey, A. M., English, P. R. |
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Zdroj: | Animal Production; 08/01/1980, Vol. 31 Issue 1, p107-109, 3p |
Databáze: | Complementary Index |
Externí odkaz: |