Effects of different levels of ractopamine, digestible lysine and metabolizable energy on pork composition and tenderness

Effects of different levels of ractopamine, digestible lysine and metabolizable energy on pork composition and tenderness
M.S. Rubio, P.A. Velásquez-Madrazo, J.A. Cuaròn, M. Balderas, G. Barcìa-Bautista, A. Castaño and J.J. Lòpez-Espinosa