A Case of Neospora Associated Bovine Abortion in Sweden |
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| Authors: | O J M Holmdahl C Bjrkman A Uggla |
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| Institution: | 112.Department of Parasitology, Swedish University of Agricultural Sciences and National Veterinary Institute, P.O. Box 7073, S-750 07 Uppsala, Sweden ;212.Department of Cattle and Sheep Diseases, Swedish University of Agricultural Sciences, P.O. Box 7019, S-750 07 Uppsala, Sweden |
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| Abstract: | Neospora caninum is a recently recognized protozoan organism that causes fatal neuromuscular disease in dogs and abortions and stillbirths in cattle and other animals (Dubey & Lindsay 1993). The parasite is morphologically similar and phylogenetically very closely related to the cyst-forming coccidium Toxoplasma gondii (Ellis et al. 1994, Holmdahl et al. 1994). This group of parasites has a two-host life cycle principally involving a carnivorous definitive host and a herbivorous or omnivorous intermediate host. However, with N. caninum, there is as yet no knowledge of any definitive host harbouring sexual stages of the parasite. The only known route of transmission is vertical from mother to foetus (Dubey & Lindsay 1993). |
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