Most people are aware of Big Pharma, thanks to its advertising, but few are aware of Animal Pharma, the animal drug divisions within drug companies that sell livestock drugs by the ton. Unlike people Pharma, many Animal Pharma drugs do not require a prescription or a veterinarian and the hormones, growth promoters, feed additives and antiparasite and antifungal drugs are loosely regulated and monitored. The USDA tests for residues from the drugs in meat, poultry and egg products but repeat offender farms that release animals with violative drug residues into the human food supply are identified weekly.

Among the drugs found in beef released to the public in a USDA Inspector General report were penicillin, the antibiotics florfenicol, sulfamethazine and sulfadimethoxine, the antiparasite drug ivermectin, the nonsteroidal anti-inflammatory drug flunixin and heavy metals. Some drug-contaminated meat was released into the human food supply and there was no attempt at a recall, says the report.

The highest of all veterinary drug residues are found in bob veal (calves under three days old that weigh only 70 to 100 pounds) says the USDA Inspector General report, because ‘Farmers are prohibited from selling milk for human consumption from cows that have been medicated with antibiotics […]