[Determination and correlation of anti-Neospora caninum antibodies in cattle and dogs from Paraná, Brazil].

The protozoan parasite Neospora caninum is a major cause of abortion in cattle worldwide. The aim of the present study was to determine and to compare the presence of anti-Neospora caninum antibodies in cattle, as well as in farm dogs, and the relationship among them. The research was conducted in different mesoregions of Paraná state, Southern Brazil.