AI Article Synopsis
- The study explored how relocating Japanese macaques affects their stress levels by measuring their fecal cortisol metabolites, a common stress indicator.
- Ten adult macaques were relocated and their fecal samples were collected daily for a week to analyze cortisol levels.
- Although there were no significant increases in cortisol over the week, the highest levels were recorded on the day of relocation, indicating slight stress that might be attributed to effective relocation strategies and consistency in their environment.
Article Abstract
Background: Previous studies suggest that housing relocation may be stressful for captive non-human primates. Our study investigated the stress levels of Japanese macaques during a housing relocation by measuring their daily fecal cortisol metabolites, which are often used as an indicator of stress.
Methods: Ten adult Japanese macaques, single-housed for research purposes, were relocated to a new facility. Fecal samples were collected daily for 7 days. Cortisol metabolite concentrations were determined via enzyme immunoassay.
Results: No significant differences in cortisol metabolite levels were found in 7 days, but concentration levels showed that the highest median was associated to the relocation day.
Conclusions: The minimal cortisol metabolite increase suggests that there was a slight activity increase in the hypothalamic-pituitary-adrenal axis. Techniques encouraging cooperation of the monkeys, the short time duration of the relocation, and consistency in the environment may have contributed to the minimal stress levels observed.
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| http://dx.doi.org/10.1111/jmp.12667 | DOI Listing |
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