Effects of ractopamine and protein source on growth performance and carcass characteristics of feedlot heifers

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]

Savoy, IL: American Society of Animal Science

Texto completo disponível