%0 Journal Article
%T Efficacy of natural zeolite and pigments on yolk color and performance of laying hens
%A Kermanshahi, Hassan
%A  E. Haji Agha Jani
%A  Hashemipour, Hamideh
%A  Pilevar, Mohammad
%J African Journal of Biotechnology
%@ 1684-5315
%D 2011