Some antibiotics are approved for use in animals, others in people, and still others in both animals and people (also called shared class antibiotics), but the majority of antibiotics used in animals are non-critical to human medicine.
Animal welfare, food safety and sustainability – there are good reasons animals raised for food are given antibiotics. Responsible use of antibiotics is the key, and procedures are in place to ensure there are no unsafe residues in meat, milk and eggs.
There’s strong evidence antibiotics used in livestock and poultry are not driving antibiotic resistance in humans, that responsible use of antibiotics minimizes agriculture’s environmental impact, and unsafe antibiotic residue in food from animals is uncommon. While science is the foundation of those findings, and decision-making processes people use to form opinions are complex, it can be discouraging when groups or individuals choose to support science only when it agrees with issues upon which they’ve made up their minds.