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The use of antibiotics has substantially boosted the efficiency of meat production. However, some medical experts fear that this practice will impart resistance to antibiotics in bacterial pathogens, rendering the antibiotics useless in treating disease. Microbiologists Dr. Mark Rasmussen and Dr. Tom Casey of Iowa State University and U.S. Department of Agriculture’s Agriculture Research Service Veterinary Medical Officer Dr. Steven Carlson recently documented for the first time the strengthening of disease-causing bacteria from the interaction with protozoa inside the rumen of beef cattle. This research, during which an -resistant strain of Salmonella became especially virulent while inside rumen protozoa, suggests that naturally occurring, digestive-tract protozoa may be a place where dangerous bacteria can hide and develop. The researchers, who are with the ARS National Animal Disease Center in Ames, Iowa made the findings while following up on research regarding protozoa behavior, microbial response to antibiotics, and the hiding places inside cattle of a highly pathogenic strain of E. coli. Cheap Generic Viagra

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