The influence of supplemental zinc and ractopamine hydrochloride on trace mineral and nitrogen retention of beef steers

The study objective was to determine whether N retention was improved with supplemental Zn above NRC concentrations with or without ractopamine hydrochloride inclusion. Angus crossbred steers (n = 32, 485 ± 26 kg BW) with Genemax gain scores of 4 or 5 were utilized in a 2 × 2 factorial arrangement (...

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Vydáno v:J Anim Sci
Hlavní autoři: Carmichael, Remy N, Genther-Schroeder, Olivia N, Blank, Christopher P, Deters, Erin L, Hartman, Sarah J, Niedermayer, Emma K, Hansen, Stephanie L
Médium: Artigo
Jazyk:Inglês
Vydáno: Oxford University Press 2018
Témata:
Ruminant Nutrition
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC6095283/
https://ncbi.nlm.nih.gov/pubmed/29733402
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/sky177
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