J. Ake-Lopez, E. Cavazos-Arizpe, J.G. Magana-Monforte, F. Centurion-Castro and C. Silva-Mena
American Journal of Animal and Veterinary Sciences 5 ( 3 ): 183 - 186 , 2010
J. Peralta-Torres, J. Ake-Lopez, F. Centurion-Castro and J. Magana-Monforte
Journal of Animal and Veterinary Advances 9 ( 3 ): 466 - 470 , 2010