首页> 外文期刊>American journal of primatology >Patterns of gastro-intestinal parasites and commensals as an index of population and ecosystem health: The case of sympatric western chimpanzees (Pan troglodytes verus) and guinea baboons (Papio hamadryas papio) at Fongoli, Senegal
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Patterns of gastro-intestinal parasites and commensals as an index of population and ecosystem health: The case of sympatric western chimpanzees (Pan troglodytes verus) and guinea baboons (Papio hamadryas papio) at Fongoli, Senegal

机译:胃肠道寄生虫和共生动物的模式作为人口和生态系统健康的指标:塞内加尔丰戈里的同伴西部黑猩猩(Pan troglodytes verus)和几内亚狒狒(Papio hamadryas papio)

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摘要

The exponential decline of great apes over the past 50 years has resulted in an urgent need for data to inform population viability assessment and conservation strategies. Health monitoring of remaining ape populations is an important component of this process. In support of this effort, we examined endoparasitic and commensal prevalence and richness as proxies of population health for western chimpanzees (Pan troglodytes verus) and sympatric guinea baboons (Papio hamadryas papio) at Fongoli, Senegal, a site dominated by woodland-savanna at the northwestern extent of chimpanzees' geographic range. The small population size and extreme environmental pressures experienced by Fongoli chimpanzees make them particularly sensitive to the potential impact of pathogens. One hundred thirty-two chimpanzee and seventeen baboon fecal samples were processed using sodium nitrate floatation and fecal sedimentation to isolate helminth eggs, larvae, and protozoal cysts. Six nematodes (Physaloptera sp., Ascaris sp., Stronglyloides fuelleborni, Trichuris sp., an unidentified hookworm, and an unidentified larvated nematode), one cestode (Bertiella sp.), and five protozoans (Iodamoeba buetschlii, Entamoeba coli, Troglodytella abrassarti, Troglocorys cava, and an unidentified ciliate) were detected in chimpanzee fecal samples. Four nematodes (Necator sp., S. fuelleborni, Trichuris sp., and an unidentified hookworm sp.), two trematodes (Shistosoma mansoni and an unidentified fluke), and six protozoans (Entamoeba histolytica/dispar, E. coli, Chilomastix mesnili, Balantidium coli, T. abrassarti, and T. cava) were detected in baboon fecal samples. The low prevalence of pathogenic parasite species and high prevalence of symbiotic protozoa in Fongoli chimpanzees are indicative of good overall population health. However, the high prevalence of pathogenic parasites in baboons, who may serve as transport hosts, highlight the need for ongoing pathogen surveillance of the Fongoli chimpanzee population and point to the need for further research into the epidemiology and cross-species transmission ecology of zoonotic pathogens at this site.
机译:在过去的50年中,大猩猩呈指数级下降,因此迫切需要数据来为种群生存能力评估和保护策略提供依据。剩余猿猴种群的健康监测是该过程的重要组成部分。为了支持这项工作,我们检查了塞内加尔丰戈里西部黑猩猩(Pan troglodytes verus)和同胞豚鼠(Papio hamadryas papio)人口内在寄生虫和共生病的流行和丰富程度,以该地区的人口健康为代表黑猩猩地理范围的西北范围。 Fongoli黑猩猩的人口少,环境压力大,因此对病原体的潜在影响尤为敏感。用硝酸钠浮选和粪便沉降法处理了132只黑猩猩和17只狒狒粪便样品,以分离蠕虫卵,幼虫和原生动物的囊肿。六个线虫(Physaloptera属,Ascaris属,Stronglyloides fuelleborni,Trichuris属,不明的钩虫和不明的幼虫线虫),一个est(Bertiella属)和五个原生动物(Iodamoeba buetschlii,Entamoeba大肠杆菌,Troglodyt在黑猩猩的粪便样本中检测到了Troglocorys cava和一个未知的纤毛虫。四个线虫(Necator sp。,S。fuelleborni,Trichuris sp。和不明钩虫),两个吸虫(Shistosoma mansoni和不明ident虫)和六个原生动物(Entomoeba histolytica / dispar,大肠杆菌,Chilomastix mesnili,在狒狒粪便样品中检测到了anti肠杆菌,阿布拉索氏螺旋体和卡瓦氏螺旋体。在Fongoli黑猩猩中,致病性寄生虫物种的患病率较低,而共生原生动物的患病率较高,表明总体人口健康状况良好。然而,狒狒中的致病性寄生虫流行很高,它们可能是运输宿主,这凸显了对Fongoli黑猩猩种群进行持续病原体监测的必要性,并指出需要进一步研究人畜共患病原体的流行病学和跨物种传播生态学在这个网站上。

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