One moment, please <a href=" http://www.greatnoiseensemble.com/valium-side-affects/ ">how long does valium last</a> CLF wants FDA to eliminate all uses of antibiotics for disease prevention. Hoang, however, says that such a ban could pose a âvery serious problem for food safety.â If animals get sick, she says, disease can toughen their gastrointestinal tissue, which increases the chance of fecal contamination during slaughter, potentially adding to the spread of resistant microbes. Healthy animals are important for food safety, Hoang says.