TY - SER AU - Ogawa,L. AU - Freire,R.L. AU - Vidotto,O. AU - Gondim,L.F.P. AU - Navaro,I.T. TI - Occurrence of antibiodies to Neospora canunum and Toxoplasma gondii in dairy cattle from the northern region of the Paraná State, Brazil KW - GADO LEITEIRO KW - NEOSPORA CANINUM KW - VÍRUS KW - TOXOPLASMA GONDII KW - PROTOZOÁRIO KW - ANTICORPO ER -