“…In Rio de Janeiro, the Norte Fluminense and Médio Paraíba mesoregions were stable for B. bovis (Souza et al, 2000a;Soares et al, 2000), A. marginale (Souza et al, 2000b(Souza et al, , 2001 and B. bigemina (Souza et al, 2000c). In São Paulo, in the Vale do Paraíba mesoregion, the B. bovis and B. bigemina seroprevalences were 88% (103/117) and 94% (110/117), respectively (Barci et al, 1994), while in the Presidente Prudente mesoregion, the B. bovis seroprevalence was 86.67% (582/671) in Holstein and Nellore cattle; for B. bigemina it was 92.55% (293/317) just in Holstein cattle (D'Andrea et al, 2006).…”