Abstract
Trichuris spp. infect the majority of captive primate species along with an estimated 1049 million people worldwide, making it an important zoonosis [Stephenson, L. S., Holland, C. V., & Cooper, E. S. Parasitology, 121(Suppl.), S73–S95, 2000]. We investigated the efficacy of methods used to evaluate the prevalence of Trichuris spp. in 2 groups (n = 12) of socially housed Abyssinian colobus (Colobus guereza kikuyensis) at Paignton Zoo Environmental Park and the factors that may affect density. We collected individual and group fecal samples over 6 mo and estimated burden (egg counts/g of feces) of Trichuris spp. via the McMaster technique. Shedding was significantly higher in the afternoon than in the morning (matched-pairs t-test: t [5] = −4.46, p < 0.01) and in dominant adult male colobus (Spearman rank: r [5] = −0.94, p < 0.01; age: r [5] = 0.89, p < 0.05). Parasitological studies of zoo-housed primates can be a useful tool to explore factors that may affect burdens of Trichuris spp. in them.
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Acknowledgments
We thank the staff of Paignton Zoo for facilitating the study, notably Ghislaine Sayers, Sheona McGovern, and Kelly Elford. We also thank Neil Bemment, Julian Chapman, Lisa Doran, and Tony Dobbs.
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Melfi, V., Poyser, F. Trichuris Burdens in Zoo-Housed Colobus guereza . Int J Primatol 28, 1449–1456 (2007). https://doi.org/10.1007/s10764-007-9206-9
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DOI: https://doi.org/10.1007/s10764-007-9206-9