Antibiotic-resistant bugs may be originating from animal farms.WebMD (1/25, Doheny) reported antibiotic-resistant insects may be "originating from animal farms where antibiotics are used to promote growth," according to a study in BMC Microbiology. Investigators visited several pig farms collecting flies and cockroaches, "and fecal matter from the pigs." They focused on "two common gut bacteria, Enterococcus faecalis and Enterococcus faecium" and found that Enterococci were found in "nearly 90% of the pig samples, 94% of the cockroach samples, and more than 98% of the fly samples." Testing the samples "for antibiotic resistance against eight different antibiotics used in human medicine," revealed that they were "highly resistant to tetracycline." The samples were also found to be resistant to "erythromycin, streptomycin, and kanamycin."
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