Effects of ractopamine and protein source on growth performance and carcass characteristics of feedlot heifers1
Walker, D. K. ; Titgemeyer, E. C. ; Drouillard, J. S. ; Loe, E. R. ; Depenbusch, B. E. ; Webb, A. S.
Journal of animal science, 2006-10, Vol.84 (10), p.2795-2800 [Periódico revisado por pares]Champaign: Oxford University Press
Texto completo disponível