Copper nutrition of goats grazing native and improved pasture with the seasonal variation in a semiarid region of Pakistan
Autor: | Khan, Z.I., Hussain, A., Ashraf, M., Ashraf, M.Y., McDowell, L.R., Huchzermeyer, B. |
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Zdroj: | In Small Ruminant Research 2007 67(2):138-148 |
Databáze: | ScienceDirect |
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