Questions and Answers: Animal Antibiotics, Antimicrobial Resistance and Impact on Food Safety
For more than 50 years, veterinarians and producers have administered antibiotics to food animals, primarily poultry, swine, and cattle, mostly to fight or prevent animal diseases. The following Q&A provides answers to common questions about antibiotic use in animals, including information on why antibiotics are used in food animals and how animal antibiotics are regulated. Furthermore, overall concerns about the overuse of animal antibiotics in food animals are addressed, as well as mechanisms that are currently in place to minimize the overall risk to human health. Antibiotic residues in animal food products, such as meat, milk, and eggs are also discussed and several credible resources are listed to provide information on animal antibiotics and antimicrobial resistance as they relate to food safety. How do we use the terms “antibiotics” and “antimicrobials” in this Q/A? Antibiotics refer to drugs thatare used to treat infectious diseases in humans, animals or plants. They work by inhibiting the growth of or killing microorganisms causing the disease. Antimicrobials is a broader term that refers to any compound, including antibiotics, sanitizers, disinfectants, a number of food preservatives and other substances, that acts to inhibit the growth of or kill microorganisms. Why are antibiotics used in food animals? Antibiotics are used in animals for the same reason as for people: to treat and control diseases. Protecting the health of animals helps to protect human health. About 60% of diseases that impact humans come from animals, so the link between animal health and human health is strong. Maintaining health among both populations is critical, according leading health organizations worldwide, including the World Health Organization and the U.S. Centers for Disease Control. FDA also has approved the use of some antimicrobials for the promotion of growth in certain livestock and also poultry. However, no matter whether antimicrobials are used […]
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