| estimation of neospora caninum seroprevalence in dairy cattle from normandy, france. | an epidemiological study was conducted in orne (france) on randomly selected dairy herds (42 herds including 1,924 cows and heifers, which were at least 15 months old). the aim was primarily to estimate the seroprevalence of neospora caninum infection from two blood samples per cow, using an enzyme-linked immunosorbent assay (elisa) for n. caninum (one positive result indicating infection). the second aim was to test the association between some individual and herd factors and n. caninum seropos ... | 1999 | 10543387 |