Journal of Veterinary Diagnostic Investigation, Vol 13, Issue 5, 413-415
Copyright © 2001 by American Association of Veterinary Laboratory Diagnosticians
Seroprevalence study of bovine neosporosis in Mexico
E Morales,
FJ Trigo,
F Ibarra,
E Puente,
and
M Santacruz
Departamento de Patologia, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Cludad Universitaria, Mexico, DF.
An indirect enzyme-linked immunosorbent assay was used to obtain epidemiologic information on bovine neosporosis in dairy herds of the Mexican central plateau. Sera were collected from 1,003 cows from 50 dairy herds. Forty-three herds (group A) had been experiencing a high abortion rate. The abortion rates for the remaining 7 herds (group B) were within normal limits for Mexico. Five-hundred sixty-one (56%) of the 1,003 sera were positive. The seroprevalence of Neospora caninum antibodies was 72% (95% CI = 68-75%) in group A and 36% (95% CI = 31-40%) in group B. These results clearly show that infection with N. caninum is widespread in Mexican dairy herds, as indicated by seropositive cows in group A and group B herds at the time of the sample collection.
