J.A. Salinas-Melendez, C. Narvaez-Arce, V. Riojas-Valdes, A. Cantu-Covarrubias, R. Avalos-Ramirez and J.C. Segura-Correa
Journal of Animal and Veterinary Advances 6 ( 11 ): 1265 - 1268 , 2007