Wael K. Elfeil, Reham R. Abouelmaatti, Changjiang Sun, Wenyu Han, Xiaokun Li, Jisheng Ma, Liancheng Lei, Shanshan Liu, Yongjun Yang, Yu Wang, Mostafa Mandour, Mohamed Fawzy and Mohamed N. Shalaby
Journal of Animal and Veterinary Advances 11 ( 10 ): 1727 - 1733 , 2012