It was for sure governed by their Institutional Animal Care and Use Committee (IACUC). IRBs are the human equivalent. Also, pedantic, but macaques are not apes;

It was for sure governed by their Institutional Animal Care and Use Committee (IACUC). IRBs are the human equivalent. Also, pedantic, but macaques are not apes; research on apes is extremely restricted today. Last I saw the NIH standards, they involved demonstrating that the research being done would benefit that individual animal, not just humans or even the species.