An outbreak of lethal toxoplasmosis in pigs in the Gansu province of China

文献类型： 外文期刊

第一作者： Li, Xuerui

作者： Li, Xuerui;Wang, Yanhua;Zhang, Delin;Yu, Fenggang;Li, Tongxiang

作者机构：

关键词： Outbreak;pigs;swine farm;toxoplasmosis

期刊名称：JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION （ 影响因子：1.279； 五年影响因子：1.522 ）

ISSN： 1040-6387

年卷期： 2010 年 22 卷 3 期

页码：

收录情况： SCI

摘要： In October 2004, a swine farm in Jinchang, Gansu Province, China, experienced an outbreak of toxoplasmosis. Most of the affected pigs had a rectal temperature greater than 40 C and gradually lost their appetite. Morbidity reached 57%, and mortality was approximately 2%. Analysis of blood samples from affected pigs using hemagglutination inhibition (HI) assay, immunoglobulin G-enzyme-linked immunosorbent assay (IgG-ELISA), and IgM-ELISA tests showed high titers of anti-Toxoplasma gondii antibody. Tachyzoites of T gondii were found in body fluids of mice inoculated intraperitoneally with ground samples from the heart, liver, spleen, and brain of 2 sick pigs. In addition, the inoculation of 5 pigs with T. gondii tachyzoites caused death in 2 of the pigs. The origin of this outbreak was concluded to be food-borne T. gondii infection.

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