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Antibiotic resistance

Information obtained by the Canadian Integrated Program for Antimicrobial Resistance (CIPARS) "strongly indicates that cephalosporin resistance in humans is moving in lockstep with the use of the drug in poultry production". According to the Canadian Medical Association Journal, the unapproved antibiotic ceftiofur is routinely injected into eggs in Quebec and Ontario to discourage infection of hatchlings. Although the data are contested by the industry, antibiotic resistance in humans appears to be directly related to the antibiotic's use in eggs.

A study by the Translational Genomics Research Institute showed that nearly half (47%) of the meat and poultry in US grocery stores was contaminated with S. aureus, with more than half (52%) of those bacteria resistant to antibiotics. 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%.