The Effects of Different Bill-Trimming Methods on the Well-Being of Pekin Ducks
| Autor: | Gustafson, L.A. *, Cheng, H.-W. †, Garner, J.P. ‡, Pajor, E.A. ‡, Mench, J.A. * |
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| Zdroj: | In Poultry Science 1 September 2007 86(9):1831-1839 |
| Databáze: | ScienceDirect |
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