@article{paperid:1019563, author = {Razmyar, Jamshid and O. Dezfulian and R. Akbarian and A. Tolu and H. Nikpiran and M. Peighambari}, title = {Beak necrosis in broiler breeder roosters}, journal = {Journal of Veterinary Research - تحقیقات دامپزشکی}, year = {2007}, volume = {62}, number = {2}, month = {October}, issn = {2008-2525}, pages = {33--36}, numpages = {3}, keywords = {mash; rooster; beak; broiler; trough.}, }