Serological study of Neospora caninum infection in dogs in central China
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摘要
Neospora caninum is a protozoan parasite which causes abortion in cattle as well as reproduction problems and neurological disorders in dogs. Dogs are important in the epidemiology of N. caninum because they act as definitive hosts shedding oocysts in the environment. To investigate the seroprevalence of N. caninum infection in dogs in central China, 1176 serum samples were collected from domestic dogs in Henan province, central China between March 2015 and February 2016 and tested for Ig G antibody against N. caninum using the indirect fluorescent antibody test(IFAT). The overall seroprevalence of N. caninum was 14.63%(172/1176). No significant difference was observed between this seroprevalence according to gender and breed of dogs(p>0.05). The infection rate in rural dogs(18.17%) was higher than in urban dogs(11.33%), and the difference was statistically significant(p<0.05). The prevalence of N. caninum infection in dogs increased significantly(p<0.05) with the increase of age. The results of the present study indicated the high prevalence of N. caninum antibodies in dogs in Henan province, central China. Sanitary conditions and animal health must be improved to prevent the transmission risk of N. caninum by dogs.
Neospora caninum is a protozoan parasite which causes abortion in cattle as well as reproduction problems and neurological disorders in dogs. Dogs are important in the epidemiology of N. caninum because they act as definitive hosts shedding oocysts in the environment. To investigate the seroprevalence of N. caninum infection in dogs in central China, 1176 serum samples were collected from domestic dogs in Henan province, central China between March 2015 and February 2016 and tested for Ig G antibody against N. caninum using the indirect fluorescent antibody test(IFAT). The overall seroprevalence of N. caninum was 14.63%(172/1176). No significant difference was observed between this seroprevalence according to gender and breed of dogs(p>0.05). The infection rate in rural dogs(18.17%) was higher than in urban dogs(11.33%), and the difference was statistically significant(p<0.05). The prevalence of N. caninum infection in dogs increased significantly(p<0.05) with the increase of age. The results of the present study indicated the high prevalence of N. caninum antibodies in dogs in Henan province, central China. Sanitary conditions and animal health must be improved to prevent the transmission risk of N. caninum by dogs.
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