PREVALENCE OF COCCIDIAL INFECTION IN DAIRY CATTLE IN SHANGHAI, CHINA

文献类型： 外文期刊

第一作者： Dong, Hui

作者： Dong, Hui;Zhao, Qiping;Han, Hongyu;Jiang, Lianlian;Zhu, Shunhai;Li, Ting;Kong, Chunlin;Huang, Bing

作者机构：

期刊名称：JOURNAL OF PARASITOLOGY （ 影响因子：1.276； 五年影响因子：1.486 ）

ISSN： 0022-3395

年卷期： 2012 年 98 卷 5 期

页码：

收录情况： SCI

摘要： The prevalence of coccidial infections in dairy cattle was examined in Shanghai from November 2010 to March 2011. In total, 626 fecal samples from 24 dairy farms were examined; oocysts were identified to the species level based on morphological features. All herds were infected with Eimeria species. The overall prevalence of coccidia was 47.1%, with the highest prevalence in <4-mo-old calves (51.8%) and the lowest in >12-mo-old cattle (27.0%). The number of oocysts per gram of feces was significantly higher in young calves than in weaners and adults. Ten species of Eimeria were identified, among which Eimeria ellipsoidalis, Eimeria boric, Eimeria zuernii, and Eimeria alabamensis were the predominant species. Concurrent infection with 2-8 species was common.

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