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- Title
Impact of Snare Injuries on Parasite Prevalence in Wild Chimpanzees ( Pan troglodytes).
- Authors
Yersin, Harmony; Asiimwe, Caroline; Voordouw, Maarten; Zuberbühler, Klaus
- Abstract
Many primate populations are severely threatened by human activity. Illegal hunting with snares frequently causes fatal injuries and permanent mutilations in wild primates. Traumatic injuries and stressful experiences can reduce the efficacy of the immune system to fight parasitic infections. Snare-related changes in primate behavior may also influence the probability of exposure to parasites. We hypothesized that primates with permanent snare-related injuries would have a higher prevalence of intestinal parasites than control individuals. We tested the relationship between snare injuries and the prevalence of intestinal parasites in wild chimpanzees ( Pan troglodytes) of Budongo forest, Uganda. We collected 487 fecal samples from known individuals (70 control and 20 snare-injured chimpanzees) and used flotation and sedimentation to isolate helminth eggs and an immunochromatographic assay to identify protozoan cysts. We found that the prevalence of Strongylida nematodes was significantly higher in snare-injured chimpanzees than in control individuals. In contrast, we found no association between snare injuries and three other parasite taxa: Ascaris, cestode, and Cryptosporidium parvum. Our study suggests that snare-injured primates may have higher exposure and/or be more susceptible to developing infections with helminth parasites than control individuals. Future studies should investigate whether snare injuries influence parasite prevalence in other species of wild primates.
- Subjects
SNARES; CHIMPANZEES; STRONGYLIDA diseases; PRIMATE physiology; FLOTATION; DISEASE risk factors; HEALTH
- Publication
International Journal of Primatology, 2017, Vol 38, Issue 1, p21
- ISSN
0164-0291
- Publication type
Article
- DOI
10.1007/s10764-016-9941-x