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401 Effect of zinc source and ractopamine hydrochloride on the growth performance and carcass characteristics of steers fed in confinement to harvest

Four hundred and thirty-two beef steers (346.3 ± 63.7 kg BW) were used to determine the effects of Zn source on feedlot cattle fed ractopamine hydrochloride. Cattle were blocked in groups of 54 by BW and housed in 48 pens containing 9 steers per pen. Pens within a weight block were randomly assigned...

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Detalhes bibliográficos
Publicado no:J Anim Sci
Main Authors: Wagner, John, Nelson, William T, Engle, Terry, Spears, Jerry, Heldt, Jeff, Laudert, Scott
Formato: Artigo
Idioma:Inglês
Publicado em: Oxford University Press 2019
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Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC6898040/
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/skz258.329
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