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Prevalence and risk factors of Neospora caninum infection in ovine flocks of central-western Mexico

Romo-Gallegos, Jesús Manuel and Cruz-Vázquez, Carlos and Medina-Esparza, Leticia and Ramos-Parra, Miguel and Romero-Salas, Dora (2019) Prevalence and risk factors of Neospora caninum infection in ovine flocks of central-western Mexico. Acta Veterinaria Hungarica, 67 (1). pp. 51-59. ISSN 0236-6290

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Abstract

This study, carried out in 13 sheep flocks of central-western Mexico, aimed to identify the prevalence of anti-N. caninum antibodies, to develop a risk analysis of the infection and to estimate the prevalence of parasite DNA in blood. A total of 368 serum and blood samples were subjected to ELISA and PCR tests, respectively, and the association between the prevalence of antibodies and some management factors was estimated. The overall prevalence of anti-N. caninum antibodies was 13.5% [50/368; 95% confidence interval (CI) 10–17], ranging from 2.7 to 90% per flock, and 92% of the farms had seropositive animals. In ewes the prevalence was 14% (48/348, 95% CI 10–17) and in rams 10% (2/20; 95% CI 1– 33). The mean prevalence of Neospora DNA in blood was 27% (99/368, 95% CI 22–31), implying a range between 16 and 82%. In rams, the prevalence was 5% (1/20 95% CI 2–26), while in ewes it was 28% (98/348, 95% CI 23–33). The agreement between the tests was k = 0.19. The presence of other domestic animal species in the farms [odds ratio (OR) 4.4] and the consumption of placental debris, fetuses and stillborn lambs by dogs living in the farms (OR 5.8) were demonstrated to be risk factors.

Item Type: Article
Subjects: S Agriculture / mezőgazdaság > SV Veterinary science / állatorvostudomány
Depositing User: Erika Bilicsi
Date Deposited: 09 Aug 2019 14:49
Last Modified: 31 Mar 2020 23:24
URI: http://real.mtak.hu/id/eprint/95576

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