Pennsylvania House Passes New Research Animal Adoption Law
The new legislation mandates that research facilities offer cats and dogs for adoption at the conclusion of testing.
Updated on Oct. 21, 2026 in Veterinary Medicine

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The Pennsylvania House recently passed legislation that restricts animal testing and mandates adoption opportunities for research cats and dogs. This bill, which now awaits the signature of Governor Josh Shapiro, also prohibits the sale of cosmetics that have been newly tested on animals within the state.
Why it matters
This legislation aims to prevent animal abuse at research breeding facilities by establishing clear standards for how test animals are treated and rehomed. By requiring facilities to offer research cats and dogs for adoption once testing concludes, the law seeks to shift practices toward more humane outcomes.
The bill mandates that research facilities offer cats and dogs used in testing for adoption and prohibits the sale of new cosmetics tested on animals. Failure to comply with these requirements could result in the termination of state funding and potential action from the Attorney General's Office.
The players
Josh Shapiro
The Governor of Pennsylvania who now holds the bill for his signature to finalize it into law.
Ryan Bizzarro
A State Representative who has been a long-term advocate for animal welfare legislation and author of previous protections.
The details
The legislation functions by creating a regulatory framework that requires research institutions to provide cats and dogs used in experiments with a pathway to adoption rather than disposal. If facilities fail to uphold these standards, the Attorney General's Office is empowered to investigate and pursue violators. Additionally, the state can withdraw funding from any institution found in non-compliance, effectively enforcing new welfare standards for research animals.
Timeline
2017: State Representative Ryan Bizzarro authored Libre's Law.
2022: Representative Bizzarro introduced the animal welfare package following research incidents.
Monday, October 19, 2026: The Pennsylvania House unanimously approved the new legislation.
The Home Front
This move represents a significant expansion of the state's animal welfare framework, following the precedent set by Libre's Law. It aligns with a broader shift in state policy toward stricter accountability for how research facilities manage the life cycle of animals within their care.
Families interested in adopting animals can look for future opportunities to provide homes for dogs and cats previously used in research environments. Keep an eye on your local shelter's updates to see if they partner with facilities to rehome animals as these new standards take effect.
The takeaway
This legislation formalizes the responsibility of research facilities to rehome animals rather than euthanize them after testing. Residents should track the governor's office for the formal signing of this bill to understand when these new facility requirements officially begin.
Further reading
For more on the latest state-level animal protection standards, visit Veterinary Medicine.
Live Poll
Should states mandate that research facilities offer used animals for adoption into private homes?







