Costa Rica. The aim of this study was to determine the seroprevalence and risk factors of
anaplasmosis in dairy farms of Costa Rica by the recombinant truncated MSP-5 (rMSP-5)
enzyme-linked immunosorbent assay (ELISA). Serum samples were obtained from 733
cattle from 20 commercial dairy herds of Costa Rica. The overall seroprevalence was 37.2%
and herd seroprevalence ranged from 20.0 to 72.0%. The age-specific seroprevalence was …