 Furthermore, as per the FDA, more than 25% of retail chicken is resistant to 5 or more different classes of antibiotic treatment drugs in the United States.An estimated 90–100% of conventional chicken contains, at least, one form of antibiotic resistance microorganism, while organic chicken has been found to have a lower incidence at 84%.In random surveys of chicken products across the United States in 2012, the Physicians Committee for Responsible Medicine found 48% of samples to contain fecal matter.