TLDR Pair housing reduces stress behaviors and health issues in quarantined rhesus macaques.
The study evaluated the impact of pair housing on 40 adolescent male rhesus macaques following an intrafacility transfer, a situation analogous to quarantine. The researchers compared behavior, fecal cortisol levels, body weight, and diarrhea occurrence between single- and pair-housed macaques. Additionally, they retrospectively analyzed body weight and diarrhea occurrence in another 120 macaques who underwent a similar transfer. The results showed that pair-housed macaques engaged in fewer undesirable behaviors, such as self-clasping, and had a lower incidence of diarrhea compared to single-housed individuals. However, there were no significant differences in cortisol levels or alopecia between the two groups. The findings suggest that pair housing can improve welfare by reducing stress-related behaviors and health issues during post-transfer adjustment periods.
21 citations
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