Cañón-Franco W A, Bergamaschi D P, Labruna M B, Camargo L M A, Souza S L P, Silva J C R, Pinter A, Dubey J P, Gennari S M
Faculdade de Medicina Veterinária e Zootecnia, Departamento de Medicina Veterinária Preventive e Saúde Animal, Universidade de São Paulo (USP), Avenida Prof. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, CEP 05508-000, Brazil.
Vet Parasitol. 2003 Jul 10;115(1):71-4. doi: 10.1016/s0304-4017(03)00131-6.
Neospora caninum is an important cause of abortion in dairy cattle worldwide. Dogs are important in the epidemiology of this parasite because they are the only hosts known to excrete N. caninum oocysts. Antibodies to N. caninum were assayed in serum samples from 157 dogs from Monte Negro, Rondônia, Amazon, Brazil using the indirect fluorescent antibody test. Antibodies to N. caninum were found in 13 (8.3%) of dogs in titers of 1:50 in 1, 1:100 in 2, 1:200 in 5, 1:800 in 1, 1:1600 in 2, and 1:3200 in 2 dogs. These data indicate that N. caninum infection is prevalent even in remote areas of the Amazon.
犬新孢子虫是全球奶牛流产的一个重要病因。犬在这种寄生虫的流行病学中很重要，因为它们是已知唯一能排出犬新孢子虫卵囊的宿主。使用间接荧光抗体试验对来自巴西亚马逊朗多尼亚州蒙特内格罗的157只犬的血清样本进行了犬新孢子虫抗体检测。在13只（8.3%）犬中发现了犬新孢子虫抗体，其滴度分别为：1只犬为1:50，2只犬为1:100，5只犬为1:200，1只犬为1:800，2只犬为1:1600，2只犬为1:3200。这些数据表明，即使在亚马逊的偏远地区，犬新孢子虫感染也很普遍。
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