Effect of Milk Yield on Economic Profitability of Holstein Friesian Cows under Intensive Production System in Egypt.
| Autor: | El-Awady, H. G.1 hassanelawady63@yahoo.com |
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| Zdroj: | Pakistan Veterinary Journal. 2013, Vol. 33 Issue 1, p23-26. 4p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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