Neospora caninum seropositivity and association with abortions in dairy cows in Mexico |
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Authors: | Garcia-Vazquez Z Rosario-Cruz R Ramos-Aragon A Cruz-Vazquez C Mapes-Sanchez G |
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Institution: | Facultad de Ciencias Agropecuarias, Universidad Autonoma del Estado de Morelos, Cuernavaca, Morelos, Mexico. garciaz@prodigy.net.mx |
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Abstract: | The seroprevalence of Neospora caninum infection was estimated from a sample of 813 cattle from 20 dairy herds in five regions in Mexico. The true prevalence of infection was estimated to be 42% (95% CI: 39, 46). Seropositivity was associated with abortion (odds ratio (OR)=2.0) and was higher among cows raised on-farm (41%), than among replacement cattle purchased outside the farm (28%). The ORs relating abortion to seropositivity in individual herds ranged from 1.3 to 10. Overall, 26% of the abortions were attributed to N. caninum. |
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