Prevalence and dynamics of antibodies against NcSAG1 and NcGRA7 antigens of Neospora caninum in cattle during the gestation period.

Bovine abortion caused by the Apicomplexan parasite Neospora caninum is a major economic problem in the livestock industry worldwide. Our study measured the prevalence and temporal changes in levels of antibodies specific for two N. caninum derived antigens, NcSAG1 and NcGRA7, to determine an appropriate strategy for serodiagnosis.