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鸡感染的流行病学意义():过去十年。

Epidemiologic significance of infections in chickens (): the past decade.

机构信息

United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, MD20705-2350, USA.

Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Orlando, Marques de Paiva, 87, Cidade Universitária, São Paulo, SP, CEP 05508-000, Brazil.

出版信息

Parasitology. 2020 Oct;147(12):1263-1289. doi: 10.1017/S0031182020001134. Epub 2020 Jul 14.

Abstract

Toxoplasma gondii infections are common in humans and animals worldwide. Domestic free-range chickens (Gallus domesticus) are excellent sentinels of environmental contamination with T. gondii oocysts because they feed on the ground. Chickens can be easily infected with T. gondii; however, clinical toxoplasmosis is rare in these hosts. Chickens are comparatively inexpensive and thus are good sentinel animals for T. gondii infections on the farms. Here, the authors reviewed prevalence, the persistence of infection, clinical disease, epidemiology and genetic diversity of T. gondii strains isolated from chickens worldwide for the past decade. Data on phenotypic and molecular characteristics of 794 viable T. gondii strains from chickens are discussed, including new data on T. gondii isolates from chickens in Brazil. This paper will be of interest to biologists, epidemiologists, veterinarians and parasitologists.

摘要

弓形虫感染在全球范围内的人类和动物中很常见。家养的散养鸡(Gallus domesticus)是弓形虫卵囊环境污染的优秀哨兵,因为它们在地面上觅食。鸡很容易感染弓形虫;然而,这些宿主中很少发生临床弓形虫病。鸡相对便宜,因此是农场弓形虫感染的良好哨兵动物。在这里,作者综述了过去十年中来自世界各地鸡的弓形虫感染的流行率、感染的持久性、临床疾病、流行病学和遗传多样性。讨论了来自鸡的 794 株活弓形虫株的表型和分子特征的数据,包括来自巴西鸡的弓形虫分离株的新数据。本文将引起生物学家、流行病学家、兽医和寄生虫学家的兴趣。

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