... verti-cal and horizontal transmission parameters of Neospora caninum infections in dairy cattle. Int.J. Parasitol. 199 9a, 29, 1683-1689.Davison HC, Otter A, Trees AJ: Significance of Neospora caninum ... 63-71.Acta vet. scand. vol. 44 no. 1-2, 2003 A Long-Term Study of Neospora caninum Infection in a Swedish Dairy HerdBy Susanne Stenlund1,3, Hans Kindahl1, Arvid Uggla2and Camilla Björkman31Department ... seropos- Neospora infection in a dairy herd 65Acta vet. scand. vol. 44 no. 1-2, 2003Table 1. Number of Neospora caninum seropositive female animals above 4 months of age in a Swedish dairy herd....