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4. Response to ractopamine-HCl in heifers is altered by implant strategy across days on feed. Sissom EK; Reinhardt CD; Hutcheson JP; Nichols WT; Yates DA; Swingle RS; Johnson BJ J Anim Sci; 2007 Sep; 85(9):2125-32. PubMed ID: 17504961 [TBL] [Abstract][Full Text] [Related]
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