ArticleBMC veterinary research2022
A new Eimeria coccidian species (Apicomplexa: Eimeriidae) from Père David's deer (Elaphurus davidianus Milne-Edwards, 1866) in Dafeng Milu National Nature Reserve in Jiangsu Province, eastern China.
Article in BMC veterinary research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 6 citations in OpenAlex.
- First report on the infection ofOne health (Amsterdam, Netherlands) · 2025Article
- LocalizationFrontiers in cellular and infection microbiology · 2023Article
- Intestinal Ecology Changes in Diarrheic Père David's Deer Revealed by Gut Microbiota and Fecal Metabolites Analysis.Animals : an open access journal from MDPI · 2022Article
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8 authors at 1 institution in 1 country.
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Abstract
backgroundEimeria coccidiosis is a significant intestinal parasitic disease, which can lead to weight loss, disease and even death of many animals. At present, there is no information about the prevalence of Eimeria among the world's endangered species of Père David's deer (Elaphurus davidianus). Therefore, the purpose of this study is to identify an unknown Eimeria genus in the Père David's deer in Dafeng Milu National Nature Reserve, China.
resultsA new Eimeria species is described from Père David's deer. Sporulated oocysts (n = 54) are pyriform, with a rough, yellowish brown, 2-layered oocyst wall (2.5 μm thick). A numerous small granules are dispersed randomly on the wall. Oocysts measured 41.2 (39.2-42.8) μm × 29.5 (27.9-30.5) μm, oocyst length/width (L/W) ratio, 1.4. Oocyst residuum, a polar granule and a polar cap are absent. The micropyle (3.5 μm wide) is present. Sporocysts are spindle shaped, 18.2 (16.5-20.0) μm × 10.5 (9.8-11.9) μm, sporocyst L/W ratio, 1.7 (1.5-1.9). A thin convex Stieda body is present and the sporocyst residuum is composed of numerous small granules less than 2.0 μm in diameter dispersed randomly. Each sporocyst contained 2 comma-shaped sporozoites in head-to-tail arrangement. A nucleus is located immediately anterior to the posterior, strong refractive and subspherical refractile body (~ 8 μm). Molecular analysis was conducted at the 18S, ITS-1 and COI loci.
conclusionBased on the morphological and molecular data, this isolate is a new species of coccidian parasite, which is named Eimeria davidianusi after its host, the Père David's deer (Elaphurus davidianus).
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