The effect of supplementing clostat 500 (bacillus subtilis pb6) to yearling steers in a commercial feedyard on health, salmonella spp. prevalence, feedlot growth performance and carcass characteristics

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• who: AlyssaWord and colleagues from the Days on Feed and Carcass Data Collection Cattle were projected for days on feed as assigned by the feedyard projection programOptaflexx (Ractopaminehydrochloride, Elanco Animal Health) was administered for the final , days on feed at the rate of, ., g/T. Prior to beta-agonist administration, steers were visually evaluated for condition and BW and determination of shipment week by the General Manager of the feedyard. Steers within respective weight blocks were transported , km to a commercial abattoir on , July, , , August, and , September, . For each slaughter date, steers were shipped in the morning . . .
  

   

  

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