Effects of Ractopamine HCl on E. coli and Salmonella In Vitro and on Intestinal Populations and Fecal Shedding in Sheep and Pigs
By Edrington TS, Callaway TR, Smith DJ, Genovese KJ, Anderson RC and Nisbet DJ, USDA's Agricultural Research Service - The effects of the beta-agonist ractopamine, approved for use in finishing swine and cattle to improve carcass quality and performance, were examined on two important foodborne pathogens, Escherichia coli O157:H7 and Salmonella.