LCA Investigation Exposes Cruel and Systemic Primate Research at York University
The oversight body has begun meetings with the university after a complaint alleged injuries, dehydration and other welfare problems in the macaque program.
- On Thursday, Last Chance for Animals released an undercover investigation documenting the treatment of nine rhesus macaques at York University in Toronto, alleging cruel conditions and systemic research failures.
- Video footage recorded between August 2024 and May 2025 reveals macaques living in small, barren cages with blood-encrusted cranial implants while suffering from social isolation and severe water deprivation protocols.
- Veterinarian Erin Zamzow called the apparent 'social, mental, physical and nutritional deprivation' of the macaques 'inhumane,' stating such conditions likely impair accurate scientific results.
- The Canadian Council on Animal Care has initiated a formal inquiry following the complaint, though York University maintains the allegations 'do not accurately reflect the context or the standards of animal care at York.'
- LCA President Chris DeRose is calling on the university to end primate research, surrender the nine macaques to a sanctuary, and prioritize non-animal methodologies for future scientific study.
40 Articles
40 Articles
The Conway Daily Sun
LCA Investigation Exposes Cruel and Systemic Primate Research at York University
TORONTO, April 30, 2026 /PRNewswire/ - Last Chance for Animals (LCA) has released an undercover investigation documenting the cruel treatment of nine rhesus macaques used in neuroscience research at York University in Toronto. This marks the first-ever undercover investigation released…
The Toronto Star
Cruel Primate Experiments Exposed at Ontario University
TORONTO, April 30, 2026 (GLOBE NEWSWIRE) -- Today, the investigative journalism bureau broke a story that exposes the unimaginable cruelty that has been taken place at a research facility within York University. Video footage recorded inside a York University research…
At York University’s primate lab, allegations of bruises, bloody wounds and escapes
After more than a day of scratching at his protruding brain implant until it bled, Kenny, a research macaque who lives inside a York University lab, reportedly pulled out the implant from his right ear, revealing an oozing wound. Kenny is one of at least nine research macaques held at York — Canada’s fourth largest university — as part of its biomedical research into brain systems controlling vision and actions of the eyes, head and hand. The tr…
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