Mendonça Carlos Eduardo D'Alencar, Barros Sílvia Letícia Bomfim, Guimarães Vitor Andrade Accioly, Ferraudo Antonio Sergio, Munhoz Alexandre Dias
Programa de Pós-graduação em Ciências Animais, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília, Brasilia, DF, Brazil.
Rev Bras Parasitol Vet. 2013 Apr-Jun;22(2):230-4. doi: 10.1590/S1984-29612013000200042.
In this study, we aimed to determine the prevalence and risk factors associated to Toxoplasma gondii infection in sheep from northeastern Brazil. A total of 932 ovine serum samples from 54 properties in 19 municipalities of the state of Sergipe were collected and assayed using indirect fluorescent antibody test. The assay used antibodies against Toxoplasma gondii (IFAT-IgG) with a cutoff point of 1:64. We observed that 28.22% (263/932) of the ovine samples were serum-reactive. In a logistic regression, factors such as consumption of water directly from the source, consumption of water from a deep well, and age below 12 months were associated with protection; whereas factors such as presence of cats on the property, presence of slatted floor, and use of exchanged or borrowed breeding males were associated with infection. The studied area can be considered endemic for toxoplasmosis, so it is necessary to adopt preventive and control measures because this zoonotic infection poses risks to public health.
在本研究中，我们旨在确定巴西东北部绵羊弓形虫感染的患病率及相关风险因素。从塞尔希培州19个市的54个养殖场收集了共计932份绵羊血清样本，并采用间接荧光抗体试验进行检测。该试验使用抗弓形虫抗体（IFAT-IgG），截断值为1:64。我们观察到28.22%（263/932）的绵羊样本血清呈反应性。在逻辑回归分析中，诸如直接从水源取水、从深井取水以及年龄低于12个月等因素与保护作用相关；而诸如养殖场有猫、有板条地板以及使用交换或借来的种公羊等因素与感染相关。研究区域可被视为弓形虫病的地方性流行区，因此有必要采取预防和控制措施，因为这种人畜共患感染对公众健康构成风险。
