Brucellosis and Toxoplasmosis are important zoonotic diseases, and Neospora caninum is a parasite causing disease in cattle and other animals. Brucella spp. and N. caninum can cause abortions in cattle, and Toxoplasmosis is a relevant cause of abortion for small ruminants, resulting in economic loses to farmers. In this study, from July 2015 to April 2017, a total of 535 Yanbian yellow cattle blood samples were collected from 3 cities in Jilin Province, China. We detected the frequency of N. caninum, Toxoplasma gondii, and Brucella spp. using enzyme-linked immunosorbent assays, indirect hemagglutination assay, and real-time PCR methods, respectively. The frequency of Brucella was 7.7% (41/535), and the seroprevalences of N. caninum and T. gondii were 6.2% (33/535) and 5.0% (27/535), respectively. The region, gender, and age of Yanbian yellow cattle were considered as risk factors when analyzed using a logistic regression model. These findings provide the foundation for the prevention and control of infection by these pathogens in Yanbian yellow cattle and humans.
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