Animals, Volume 14, Issue 5
2024 March-1 - 163 articles
Cover Story: Alopecia is a multicausal condition prevalent among captive populations of rhesus macaques (Macaca mulatta) and other non-human primates (NHP). Previous studies investigating the causes of NHP alopecia have identified two common patterns. Females, especially if pregnant, tend to show more hair loss than males, and alopecia has a seasonal pattern. However, few studies have tracked regrowth in addition to hair loss. For one year, we recorded hair loss and regrowth, along with the reproductive state of females, for adult rhesus macaques in eight outdoor social groups. We found a seasonal pattern of hair loss and regrowth for both sexes, with hair loss peaking in spring and regrowth peaking in summer. Most pregnant females did not regrow hair until 4-8 weeks postpartum. Since rhesus macaques are seasonal breeders, the effect of pregnancy adds to the seasonal pattern of alopecia. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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