Effect of amount and source of manganese and/or phytase supplementation on productive and reproductive performance and some physiological traits of dual purpose cross-bred hens in the tropics

Author: Attia Y. A.   Qota E. M.   Bovera F.   Tag El-Din A.E.   Mansour S. A.  

Publisher: Taylor & Francis Ltd

ISSN: 1466-1799

Source: British Poultry Science, Vol.51, Iss.2, 2010-04, pp. : 235-245

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