Aggressiveness and Productive Performance of Piglets Supplemented with Tryptophan

G. Martinez-Trejo, M.E. Ortega-Cerrilla, L.F. Rodarte-Covarrubias, J.G. Herrera-Haro, J.L. Figueroa-Velasco, F. Galindo-Maldonado, O. Sanchez-Martinez and A. Lara-Bueno

Journal of Animal and Veterinary Advances 8 ( 4 ): 608 - 611 , 2009