The Effects of Combination of Ethylenediaminetetraacetic Acid and Microbial Phytase on the Concentration of Some Minerals of Serum in Laying Hens

Yahya Ebrahim-Nezhad, Ghassem Habibi Bibalani, Ebrahim Jafari Helan, Keyvan Hatefi Nezhad, Jalil Dolgari Sharaf and Roya Ebrahim-Nezhad

Asian Journal of Animal and Veterinary Advances 3 ( 5 ): 351 - 356 , 2008