Orhan Ozbey, Nihat Yildiz and Fikret Esen
International Journal of Poultry Science 5 ( 1 ): 56 - 59 , 2006
Zeki Eri ir and Orhan Ozbey
Journal of Animal and Veterinary Advances 4 ( 3 ): 360 - 362 , 2005
Orhan Ozbey and Fikret Esen
Journal of Animal and Veterinary Advances 6 ( 4 ): 466 - 469 , 2007