Comparison of Chemical and Biological Growth Promoter with Two Herbal Natural Feed Additives on Broiler Chicks Performance

A. Ghalyanchi Langeroudi, S.M.M. Kiaei, M. Modirsanei, B. Mansouri and A. Shojaie Estabragh

Journal of Animal and Veterinary Advances 7 ( 5 ): 570 - 574 , 2008