Immune responses in lactating Holstein cows supplemented with Cu, Mn, and Zn as sulfates or methionine hydroxy analogue chelates
| Autor: | Nemec, L.M., Richards, J.D., Atwell, C.A., Diaz, D.E., Zanton, G.I., Gressley, T.F. |
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| Zdroj: | In Journal of Dairy Science August 2012 95(8):4568-4577 |
| Databáze: | ScienceDirect |
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