Suppr超能文献

德国牛群中牛艾美耳球虫和齐氏艾美耳球虫的流行情况及其卵囊排放的影响因素。

Prevalence of Eimeria bovis and Eimeria zuernii in German cattle herds and factors influencing oocyst excretion.

机构信息

Institute of Parasitology, University of Leipzig, Leipzig, Germany.

出版信息

Parasitol Res. 2012 Feb;110(2):875-81. doi: 10.1007/s00436-011-2569-z. Epub 2011 Aug 2.

Abstract

The present study was designed to investigate the prevalence of the pathogenic coccidia species Eimeria bovis and Eimeria zuernii in shed-reared animals in German dairy and fattening facilities. Samples were obtained from 65 cattle farms distributed randomly across all the regions of Germany regardless of the occurrence of clinical problems. The samples were obtained rectally. Faecal consistency and the total number of oocysts per gram of faeces (OPG) were determined, along with the OPG values for E. bovis and E. zuernii. A questionnaire was completed for each farm to record information about herd size and management, along with individual animal data. Eimeria oocysts were detected in 62 of these farms, which give a prevalence of 95.4%. The farm prevalence of the pathogenic species was 76.9% for E. bovis and 83.1% for E. zuernii. The number of oocysts excreted could not be correlated significantly with farm type or farm management but depended on the floor type, the age of the calves and the time after rehousing. Furthermore, there was a positive correlation between OPG and the observation of diarrhoea. E. zuernii had a greater influence on the occurrence of diarrhoea than E. bovis. This study confirms that herd management frequently does not meet the requirements of effective coccidia control despite the fact that the pathogenic coccidia E. bovis and E. zuernii are ubiquitous in German cattle populations.

摘要

本研究旨在调查德国奶牛和育肥场中舍饲动物中致病性球虫种艾美耳球虫和牛艾美耳球虫的流行情况。从德国各地随机分布的 65 个奶牛场采集了样本,无论是否存在临床问题。通过直肠取样。同时确定粪便的稠度和每克粪便中的卵囊总数(OPG),以及牛艾美耳球虫和牛艾美耳球虫的 OPG 值。为每个农场填写一份问卷,记录畜群规模和管理信息,以及个体动物数据。在这些农场中,有 62 个农场检测到了艾美耳球虫卵囊,流行率为 95.4%。致病性种的农场流行率为 76.9%的牛艾美耳球虫和 83.1%的牛艾美耳球虫。卵囊的排泄量不能与农场类型或农场管理显著相关,但取决于地面类型、小牛的年龄和重新安置后的时间。此外,OPG 与腹泻的观察结果之间存在正相关。牛艾美耳球虫比牛艾美耳球虫对腹泻的发生有更大的影响。这项研究证实,尽管德国牛群中普遍存在致病性球虫种艾美耳球虫和牛艾美耳球虫,但畜群管理经常不符合有效球虫控制的要求。

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验