From January 1998 to December 2002, we collected 293 fecal samples from free-ranging individuals of the 4 guenon species of western Uganda, i.e., redtail guenons (Cercopithecus ascanius), blue monkeys (Cercopithecus mitis), l'hoesti monkeys (Cercopithecus lhoesti), and vervet monkeys (Cercopithecus aethiops), to quantify the prevalence of gastrointestinal parasites. Helminth eggs, larvae, and protozoan cysts were isolated by sodium nitrate flotation and fecal sedimentation. Helminth parasites were identified, and infection prevalence was determined for all 4 guenon species. Coprocultures facilitated identification of strongylate nematodes. For the most common species, the redtail guenon, we documented prevalence of protozoan parasites and examined the effect of season and host sex on infection prevalence. Six nematodes (Strongyloides fulleborni, Oesophagostomum sp., unidentified strongyle, Trichuris sp., Streptopharagus sp., and Enterobius sp.), 1 cestode (Bertiella sp.), 1 trematode (Dicrocoeliidae), and 5 protozoans (Entamoeba coli, Entamoeba histolytica, Iodameoba butschlii, Giardia lamblia, and Chilomastix mesnili) were detected. Seasonal patterns of infection were not readily apparent for any parasite species infecting redtail guenons. Although prevalence never differed between male and female guenons, only adult females were infected with Oesophagostomum sp. and S. fulleborni.
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LIFE CYCLES-SURVEY| December 01 2004
GASTROINTESTINAL PARASITES OF THE GUENONS OF WESTERN UGANDA
Thomas R. Gillespie;
Ellis C. Greiner;
J Parasitol (2004) 90 (6): 1356–1360.
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Thomas R. Gillespie, Ellis C. Greiner, Colin A. Chapman; GASTROINTESTINAL PARASITES OF THE GUENONS OF WESTERN UGANDA. J Parasitol 1 December 2004; 90 (6): 1356–1360. doi: https://doi.org/10.1645/GE-311R
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