Effects of metabolizable protein supply and amino acid supplementation on nitrogen utilization, milk production, and ammonia emissions from manure in dairy cows
| Autor: | Lee, C. *, Hristov, A.N. *, Heyler, K.S. *, Cassidy, T.W. *, Lapierre, H. †, Varga, G.A. *, Parys, C. ‡ |
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| Zdroj: | In Journal of Dairy Science September 2012 95(9):5253-5268 |
| Databáze: | ScienceDirect |
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