The line's engaged nitroglycerin online The FDA's announcement inspired diverse reactions. The Animal Health Institute, which has downplayed the risks of farm antibiotic use, promised to support the FDA's initiative ??? in part for public relations reasons. The AHI's Richard Carnevale told reporters in a conference call that it could help to dispel the common, but incorrect, belief that growth promotion accounts for most antibiotic use in agriculture. He says that most antibiotics are used to prevent or treat disease.