巴西米纳斯吉拉斯州山羊弓形虫病的血清流行率及危险因素
Seroprevalence and risk factors of caprine toxoplasmosis in Minas Gerais, Brazil.
作者信息
Carneiro A C A V, Carneiro M, Gouveia A M G, Guimarães A S, Marques A P R, Vilas-Boas L S, Vitor R W A
机构信息
Departamento de Parasitologia - Instituto de Ciências Biológicas, Belo Horizonte, MG, Brazil.
出版信息
Vet Parasitol. 2009 Mar 23;160(3-4):225-9. doi: 10.1016/j.vetpar.2008.10.092. Epub 2008 Oct 30.
The objective of this work was to carry out a study on caprine toxoplasmosis in the state of Minas Gerais, Brazil. To determine the prevalence of toxoplasmosis in goats in Minas Gerais, 767 sera from goats were tested by ELISA (enzyme-linked immunosorbent assay) and IFAT (indirect fluorescence antibody test). The prevalence of antibodies to Toxoplasma gondii was 43.0% and 46.0% by ELISA and IFAT, respectively. It was observed that 26.8% of the goats show low-avidity IgG to T. gondii. These results suggest the presence of animals in recent phase of toxoplasmosis in Minas Gerais. The risk factors for toxoplasmosis in goats were: age over 36 months (OR=1.21; IC 95% 1.02-1.44), use of pen (OR=1.83; IC 95%1.01-3.31) and pure breed animals (OR=2.49; IC 95% 1.11-5.59).
这项工作的目的是对巴西米纳斯吉拉斯州的山羊弓形虫病进行研究。为确定米纳斯吉拉斯州山羊弓形虫病的流行情况，采用酶联免疫吸附测定法（ELISA）和间接荧光抗体试验（IFAT）对767份山羊血清进行检测。ELISA法和IFAT法检测到的抗刚地弓形虫抗体流行率分别为43.0%和46.0%。观察到26.8%的山羊对刚地弓形虫显示低亲和力IgG。这些结果表明米纳斯吉拉斯州存在处于弓形虫病近期阶段的动物。山羊弓形虫病的危险因素为：年龄超过36个月（比值比=1.21；95%置信区间1.02 - 1.44）、使用围栏（比值比=1.83；95%置信区间1.01 - 3.31）和纯种动物（比值比=2.49；95%置信区间1.11 - 5.59）。
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