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S 1167

An Act to protect nonhuman primate infants in research institutions and product testing facilities

194th Legislature (2025-2026) Introduced by Mike Barrett and 12 co-sponsors

Massachusetts bill restricts nonhuman primate infant use in research and product testing to strengthen animal welfare protections in state institutions.

Hearing scheduled for 07/29/2025 from 01:00 PM-05:10 PM in A-2
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Bill Summary · S 1167

Legislative bill overview

S 1167 would establish legal protections specifically for infant nonhuman primates used in research institutions and product testing facilities in Massachusetts. The bill aims to restrict or regulate experimentation on young primates, reflecting growing concern about animal welfare in scientific and commercial settings.

Why is this important

Primate research raises ethical questions about animal suffering, particularly for developmentally vulnerable infants. This legislation would set a state-level precedent for animal protection that could influence research practices and testing standards across institutions conducting biomedical research, pharmaceutical development, and cosmetic/consumer product testing.

Potential points of contention

  • Research industry impact: Scientific institutions may argue that primate research is necessary for medical breakthroughs, vaccine development, and drug safety testing, and that restricting infant primates specifically could limit critical studies on developmental diseases and neurology.
  • Enforcement and scope ambiguity: The bill's specific restrictions remain unclear from available summaries—it's uncertain whether it bans all infant primate research, allows exceptions for medical necessity, or simply sets welfare standards, which affects how broadly institutions would be regulated.
  • Economic and competitive concerns: Massachusetts-based research facilities might face competitive disadvantages if similar protections aren't adopted by other states, potentially driving research and pharmaceutical testing to other jurisdictions.

Compiled from official sources — confirm details with the bill’s official record.

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