绵羊和犬只养殖场中犬新孢子虫病的血清流行率及相关风险因素调查
Seroprevalence and risk factors associated with neosporosis in sheep and dogs from farms.
机构信息
Department of Veterinary Hygiene and Public Health, School of Veterinary Medicine and Animal Science, São Paulo State University, 18618-000 Botucatu, SP, Brazil.
出版信息
Vet Parasitol. 2011 Dec 15;182(2-4):356-8. doi: 10.1016/j.vetpar.2011.05.021. Epub 2011 May 27.
This study aimed to establish the seroprevalence and risk factors associated with neosporosis in sheep and dogs from rural properties. 1497 blood samples were collected from sheep and 42 from dogs that cohabited with sheep from 16 farms located in the central region of São Paulo State, Brazil. For the detection of N. caninum antibodies it was performed the indirect fluorescent antibody test (IFAT ≥ 25). For the epidemiological study it was applied a questionnaire for the owners or responsible from the sheep and dogs regarding informations related to neosporosis. The seroprevalence obtained out of the 1497 sheep sera tested was 8.0% (CI95%=6.7-9.2%) and out of the 42 dogs 4.8% (CI95%=0-7.2%). Variables statistically related to seropositivity for N. caninum in sheep were: dams well as water supply (P=0.0004; OR=2.15), presence of other domestic canids (P=0.0013; OR=2.38) and presence of reproductive problems (P=0.0031; OR=1.75).
本研究旨在确定巴西圣保罗州中部地区 16 个农场的绵羊和犬的血清流行率及与新孢子虫病相关的风险因素。从 16 个农场共采集了 1497 份绵羊血液样本和 42 份与绵羊共同生活的犬血液样本。采用间接荧光抗体试验（IFAT≥25）检测 N. caninum 抗体。为了进行流行病学研究，向绵羊和犬的主人或负责人发放了一份有关新孢子虫病相关信息的问卷。在 1497 份绵羊血清中，血清阳性率为 8.0%（95%CI95%=6.7-9.2%），在 42 份犬血清中，血清阳性率为 4.8%（95%CI95%=0-7.2%）。与绵羊 N. caninum 血清阳性相关的统计学变量有：母羊以及供水（P=0.0004；OR=2.15）、其他家养犬类的存在（P=0.0013；OR=2.38）和生殖问题的存在（P=0.0031；OR=1.75）。
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