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1 October 2016 Intestinal Parasites in the Critically Endangered Przewalski's Gazelle ( Procapra przewalskii) in China, with the Description of a New Species of Eimeria (Apicomplexa: Eimeriidae)
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Abstract
We used a flotation technique to survey fecal samples from 27 Przewalski's gazelles (Procapra przewalskii Büchner, 1891) for intestinal parasites. Samples were collected from the Qinghai Lake region, Qinghai-Tibet plateau, China, in April 2015. We report parasites belonging to two nematode (Nematodirus, Marshallagia) genera and one apicomplexan (Eimeria) genus; one of the latter was a new species from the critically endangered Przewalski's gazelle. Sporulated oocysts of the new eimerian were spheroidal; they had a thick, outer wall without a micropyle, but with a distinct polar granule and an oocyst residuum. Oocysts measured a mean of 18.6(±0.8)×17.3(±0.9) μm in length and width, with a mean 1.1(±0.1) length/width ratio and a spheroidal oocyst residuum that had a mean width of 2.0(±0.7) μm. Sporocysts were ovoid, measuring a mean of 9.4(±0.6)×5.5(±0.5) μm in length and width, with a mean 1.7(±0.2) length/width ratio. A Stieda body and sporocyst residuum were present, but a substieda body was absent. Sporozoites each had a small anterior refractile body and a larger, posterior refractile body; a small nucleus was visible between them.
© Wildlife Disease Association 2016
Yunping Wang, Shouyang Du, Yanbin Yang, Xin Zhang, Donald W. Duszynski, Jianghui Bian and Yifan Cao "Intestinal Parasites in the Critically Endangered Przewalski's Gazelle ( Procapra przewalskii) in China, with the Description of a New Species of Eimeria (Apicomplexa: Eimeriidae)," Journal of Wildlife Diseases 52(4), (1 October 2016). https://doi.org/10.7589/2016-03-062
Received: 14 March 2016; Accepted: 1 May 2016; Published: 1 October 2016
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