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Newly recognized fatal protozoan disease of dogs
Abstract
Summary: Histologic sections and case histories from 23 dogs with proven fatal toxoplasmosis-like illness at the Angell Memorial Animal Hospital were reviewed. Toxoplasma gondii was identified in 13 dogs. A newly identified parasite, Neospora caninum, structurally distinct from T gondii, was found in 10 dogs. The newly discovered organism, belonging to a new genus and new species, formed meronts in many tissues of the dogs, especially the brain and spinal cord. Neospora caninum was located directly in the host cell cytoplasm without a parasitophorous vacuole; it divided by endodyogeny, contained more than 11 rhoptries, and did not react with the anti-T gondii serum in the immunoperoxidase test. Meningoencephalomyelitis and myositis were the main lesions associated with N caninum. Ulcerative and fistulous dermatitis was the major lesion in 1 dog.
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Cited by
Recent advances in Neospora and neosporosis
Dubey, J. P. (1999) · Veterinary Parasitology · doi:10.1016/s0304-4017(99)00044-8 · Cited by 414
Self-citationRedescription of Neospora caninum and its differentiation from related coccidia
Dubey, J. P., Barr, B. C., Barta, J. R., Bjerkås, I., Björkman, C., Blagburn, B. L., Bowman, D. D., Buxton, D., Ellis, J. T., Gottstein, B., et al. (2002) · International Journal for Parasitology · doi:10.1016/s0020-7519(02)00094-2 · Cited by 270
Self-citationCompanion animal parasitology: a clinical perspective
Irwin, P. J. (2002) · International Journal for Parasitology · doi:10.1016/s0020-7519(01)00361-7 · Cited by 106
Canine neosporosis: perspectives on pathogenesis and management
Silva, R., & Machado, G. (2016) · Veterinary Medicine: Research and Reports · doi:10.2147/vmrr.s76969 · Cited by 62
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Substrate type and age are risk factors for gastrointestinal parasitism in greyhound kennels
Ash, A., Lymbery, A., Godfrey, S., Shiel, R., & Paul, A. (2019) · Veterinary Parasitology · doi:10.1016/j.vetpar.2018.11.013 · Cited by 14
Metadata
- Authors
- Dubey, J. P., Carpenter, J. L., Speer, C. A., Topper, M. J., & Uggla, A.
- Venue
- Journal of the American Veterinary Medical Association
- Published
- 1988-05-01
- Volume
- 192
- Issue
- 9
- Pages
- 1269-1285
- ISSN
- 0003-1488 (ISSN-L)
- OpenAlex
- W1487393473
- Cited by
- 824
- References
- 0
- FWCI
- 12.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dubey, J. P., Carpenter, J. L., Speer, C. A., Topper, M. J., & Uggla, A. (1988). Newly recognized fatal protozoan disease of dogs. Journal of the American Veterinary Medical Association. https://doi.org/10.2460/javma.1988.192.09.1269
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