A. S. Elsheikh, Y. Takahashi and H. Kanagawa
Journal of Animal and Veterinary Advances 3 ( 11 ): 776 - 780 , 2004
F. O. A. Elzubeir and A. S. Elsheikh
Journal of Animal and Veterinary Advances 3 ( 5 ): 329 - 334 , 2004