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US Animal Testing: 10% Drop in 2024 After 2023 Surge
Animal Testing

US Animal Testing: 10% Drop in 2024 After 2023 Surge

Severity
7/10
Impact
14.0Mpeople
Trend
improving
Region
United States
USDA data for 2023 showed 1,048 facilities reporting 1,609,186 regulated animals used, a 12% increase from 2022, driven by rises in guinea pigs, farmed animals, and 'other' species, with guinea pigs seeing 21.1% more Category E (unrelieved pain) experiments and dogs up 20% in such tests (450 dogs). This marked higher exploitation despite the FDA Modernization Act 2.0. Estimates suggest total US lab animals exceed 14 million annually, including unregulated mice, rats, birds, and fish. In 2024, use dropped nearly 10% to 851,898 animals across 776 facilities, including first-time reporting of 88,872 birds; excluding birds, 763,026 animals were down from 844,915 in 2023. Declines hit guinea pigs (-26.8%), dogs (-9.5%), cats (-14.3%), rabbits (-11%), nonhuman primates (-3.6%), hamsters (-11.3%), pigs (-13%), and sheep (-6%), though 57,000 animals still faced unrelieved pain and over 100,000 primates remained in labs. Regulatory gaps persist, excluding ~99% of animals, amid advocacy for non-animal methods. Progress includes EPA's mammal phase-out pledge by 2035 and specific wins like Navy-ending sheep decompression tests and universities dropping live pig training, but Category E issues and high volumes signal ongoing crisis.

Recent Developments

012024 USDA data shows nearly 10% drop in animal use to 851,898, first including birds (88,872)

02Guinea pigs down 26.8%, dogs 9.5%, cats 14.3% in 2024 vs 2023

Interventions

  • FDA Modernization Act 2.0 (2022) enabling non-animal alternatives
  • EPA pledge to phase out mammal testing by 2035

What Works

  • Non-animal methods via FDA Modernization Act contributed to 2024 declines across species
  • Advocacy pressure ended specific abuses like Navy sheep tests and university pig training

How to Help

  • Donate to organizations like NAVS and Rise for Animals
  • Advocate for bills like Replace Animal Tests Act by contacting representatives
  • Support humane science initiatives reducing lab animal use

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Verified Organizations

Organizations Helping(5)

PETA tackles animal testing through direct action and institutional pressure: (1) Campaign victories—they obtain documents exposing cruel experiments (such as Navy-funded decompression tests on sheep at University of Wisconsin–Madison worth $389,000) and use public pressure to shut them down. (2) Grassroots mobilization—they coordinate supporter campaigns (52,000+ PETA supporters sent emails opposing animal experiments to the Taiwan FDA, leading to policy changes). (3) Institutional pressure—they send letters to government officials and university administrators demanding the end of specific animal testing programs. (4) Legislative advocacy—they support federal bills like the Cease Animal Research Grants Overseas Act (CARGO ACT, HR 4757) to prohibit NIH funding of animal experiments in foreign laboratories. (5) Regulatory engagement—they work with regulatory agencies to transition away from animal testing toward human-relevant methods.

NAVS tackles the animal testing crisis through multiple strategies: (1) Data transparency and advocacy—they compile and publicly release USDA animal research data, making laboratory animal use visible to the public and policymakers. They were the first organization to include bird data in 2024 analysis, expanding the picture of animal use. (2) Policy advocacy—they work to strengthen federal reporting requirements and push for regulatory changes. (3) Promotion of alternatives—they advocate for the transition to humane, human-relevant research methods to replace animal testing. Their senior manager of policy and advocacy has publicly called for continued pressure to drive down animal use numbers and replace animal experiments with non-animal methods.

Rise for Animals tackles the animal testing crisis through data analysis and transparency advocacy: (1) Annual data compilation and analysis—they compile USDA annual reports on animal research facility data and analyze trends in animal exploitation across all use categories. (2) Public awareness—they publish detailed breakdowns of animal use statistics, highlighting increases in painful experiments and specific species impacts (e.g., 80.7% increase in painful guinea pig experiments with pain relief, 21.1% increase without pain relief). (3) Advocacy for regulatory change—they highlight the gap between reported animals (1% of actual use) and actual animal use, advocating for expanded reporting requirements to include mice, rats, birds, and fish. (4) Pressure for alternatives—they use data to demonstrate the need for transition to human-relevant science methods, particularly in light of the FDA Modernization Act of 2022.

One Voice tackles animal testing through data analysis and regulatory advocacy: (1) European data analysis—they compile and analyze official laboratory animal use data from EU member states, identifying concerning trends such as the doubling of animals used for genetically modified line maintenance (from 225,435 to 491,778 in France in 2023). (2) Transparency advocacy—they request non-technical summaries of approved research projects to enable independent and transparent verification of animal experiment severity classifications. (3) Regulatory scrutiny—they identify gaps in reporting systems, such as the lack of traceability for dogs sourced outside the EU and the misuse of 'moderate' classifications that mask actual severity of procedures. (4) International advocacy—they work to ensure compliance with European directives requiring declining animal use trends and push for stronger enforcement of animal welfare standards.

Sources & Citations

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