Animal Welfare Act: US Federal Protections and Gaps
The US Animal Welfare Act (1966) is the primary federal animal welfare legislation but excludes farm animals, rats, mice, birds, and several other species from protection, leaving major welfare gaps.
Key Facts
The US AWA covers dogs, cats, primates, guinea pigs, hamsters, rabbits, and other warm-blooded animals used in research, exhibition, and commerce.
Farm animals are explicitly excluded from the AWA; most farmed animal welfare is regulated at state level.
Rats, mice, and birds used in research were excluded from USDA enforcement in 2002 despite comprising 95%+ of research animals.
The AWA requires minimum standards for housing, veterinary care, and handling but does not require enrichment or positive welfare.
The 2022 Big Cat Public Safety Act amended the AWA to end private big cat ownership and cub petting operations.
Welfare Considerations
The US Animal Welfare Act provides meaningful protections for included species but its exclusions represent the largest regulatory welfare gap in American animal law. Farm animals — the overwhelming majority of animals affected by human activity — receive no federal welfare protection and only minimal state-level protection in many states. Research rats and mice, comprising the vast majority of laboratory animals, have no federal welfare guarantees. The case for expanding AWA coverage is strong from both animal welfare and scientific validity perspectives. Legislative reform has proven difficult; administrative and corporate pressure may achieve faster change in some areas.
What You Can Do
Support campaigns to extend AWA protections to rats, mice, birds, and farm animals.
Contact your congressional representatives about AWA reform priorities.
Follow the Animal Welfare Institute's legislative tracking for AWA amendment efforts.
Support state-level animal welfare legislation as a complement to inadequate federal standards.
Engage with the Humane Society Legislative Fund on federal animal welfare priorities.