Hostname: page-component-cd9895bd7-q99xh Total loading time: 0 Render date: 2024-12-28T04:42:38.076Z Has data issue: false hasContentIssue false

Eimeria weybridgensis sp. nov. and Eimeria ovina from the domestic sheep

Published online by Cambridge University Press:  06 April 2009

C. C. Norton
Affiliation:
Central Veterinary Laboratory, Weybridge, Surrey
L. P. Joyner
Affiliation:
Central Veterinary Laboratory, Weybridge, Surrey
Janet Catchpole
Affiliation:
Central Veterinary Laboratory, Weybridge, Surrey

Extract

Eimeria weybridgensis sp.nov. is described from pure infections in experimental lambs. The characters by which it can be distinguished from E. ovina and E. crandallis, which it resembles, are described. Cross-infection experiments confirmed its distinction from E. ovina. Oocysts of E. weybridgensis are the same size as those of E. crandallis, measuring 24 × 17 μm. The prepatent period of E. weybridgensis, however, is much longer and the morphology of the sporocysts of the two species is different.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1974

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Bazalar, H. & Guerrero, C. A. (1970). Coccidias en ovinos domesticos de altura com una descripcion de Eimeria gonzalezi n.sp. Revista de la Facultad de Medicina Veterinarya, Lima 22, 172–80.Google Scholar
Catchpole, J., Norton, C. C. & Joyner, L. P. (1974). The occurrence of Eimeria wey-bridgensis in lambs in England and Wales. (In the Press.)Google Scholar
Dida, I., Acsinte, N. & Purchera, V. (1972). Contributii la studiul coccidiozei rumegatoarelor mici. Revista de Zootehnie si Medicina Veterinara, Bucuresti 1972 (10), 5963.Google Scholar
Joyner, L. P., Norton, C. C., Davies, S. F. M. & Watkins, C. V. (1966). The species of coccidia occurring in cattle and sheep in the South West of England. Parasitology 56, 531–41.CrossRefGoogle ScholarPubMed
Levine, N. D. & Ivens, V. (1970). The Coccidian Parasites (Protozoa, Sporozoa) of Ruminants. Illinois Biological Monograph 44. Urbana: University of Illinois Press.Google Scholar
Lotze, J. C. & Leek, R. G. (1970). Failure of development of the sexual phase of Eimeria intricata in heavily inoculated sheep. Journal of Protozoology 17, 417–20.CrossRefGoogle Scholar
Michael, E. & Probert, A. J. (1970). Histopathological observations on some coccidial lesions in natural infections of sheep. Research in Veterinary Science 11, 441–6.CrossRefGoogle ScholarPubMed
Norton, C. C. & Joyner, L. P. (1968). The freeze preservation of coccidia. Research in Veterinary Science 9, 598600.CrossRefGoogle ScholarPubMed
Pande, B. P., Bhatia, B. B. & Chauhan, P. P. S. (1972). Coccidiosis in Ruminants – A Major Problem. Bulletin no. 3, U.P. College of Veterinary Science and Animal Husbandry, Mathura (U.P.).Google Scholar
Patyk, S. (1965). From observations on appearing of coccidia, gastrointestinal nematodes and tapeworms in lambs and calves in the west regions of Poland. Zootechnika, Wrocklaw 13, 1736.Google Scholar
Pout, D. D. (1965). Coccidiosis in lambs. Veterinary Record 77, 887–8.Google ScholarPubMed
Pout, D. D. (1973). Coccidiosis in lambs. 1. Observations on the naturally acquired infection. British Veterinary Journal 129, 555–67.CrossRefGoogle Scholar
Pout, D. D. (1974 a). Coccidiosis of lambs. 3. The reaction of the small intestinal mucosa to experimental infections with E. arloingi ‘B’ and E. crandallis. British Veterinary Journal 130, 4553.CrossRefGoogle Scholar
Pout, D. D. (1974 b). Coccidiosis of lambs. 4. The clinical response to infections of E. arloingi ‘B’ and E. crandallis in laboratory-reared lambs. British Veterinary Journal 130, 5460.CrossRefGoogle Scholar
Pout, D. D. & Catchpole, J. (1974). Coccidiosis in lambs. 5. The clinical response to long term infection with a mixture of different species of coccidia. British Veterinary Journal (In the Press).CrossRefGoogle Scholar
Pout, D. D., Norton, C. C. & Catchpole, J. (1973). Coccidiosis of lambs. 2. The production of faecal oocyst burdens in laboratory animals. British Veterinary Journal 129, 568–82.CrossRefGoogle Scholar
Pout, D. D., Ostler, D. C., Joyner, L. P. & Norton, C. C. (1966). The coccidial population in clinically normal sheep. Veterinary Record 78, 544–60.CrossRefGoogle ScholarPubMed
Ray, D. K. (1952). Eimeria hawkinsi n.sp. in sheep and goats. Proceedings of the 39th Indian scientific congress. 314–15.Google Scholar