1. Baskerville, A., McFerran, J.B. and Dow, C., 1973. Aujeszky’s Disease in Pigs. Vet. Bull., 43, 465–480.
2. Finazzi, M. and Mandelli, G., 1976. The gross and histological findings in the liver of pigs with Aujeszky’s disease. Folia vet latina, 6, 368–376.
3. Pepper, T.A., Boyd, H.W. and Rosenberg, P., 1977. Breeding record analysis in pig herds and its veterinary applications - 1: Development of a program to monitor reproduce efficiency and weaner production. Vet. Rec., 101, 177–180