Comparison of methionine hydroxy analogue chelated versus sulfate forms of copper, zinc, and manganese on growth performance and pregnancy rates in yearling beef replacement heifers
| Autor: | Whitehurst, W.A. *, Paterson, J.A. *, Harbac, M.M. *, Petersen, M.K. †, Duff, G.C. *, Geary, T.W. †, Zanton, G.I. ‡, Wistuba, T.J. § |
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| Zdroj: | In The Professional Animal Scientist February 2014 30(1):62-67 |
| Databáze: | ScienceDirect |
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