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Immunological variation between two strains of Eimeria acervulina

Published online by Cambridge University Press:  06 April 2009

L. P. Joyner
Affiliation:
Ministry of Agriculture, Fisheries and Food, Central Veterinary Laboratory, Weybridge

Extract

Two strains of Eimeria acervulina were compared. The more recently isolated strain had a higher reproductive potential and produced slightly longer oocysts. Otherwise both strains conformed to the characteristics of the species.

The two strains were not immunologically identical and birds which were solidly immune to one strain would support a degree of infection with the other.

Acknowledgements are due to Mr C. C. Norton for technical assistance and to Dr Helen Hein who provided access to experimental data prior to publication and discussed some aspects of the results. The statistical calculations were carried out by Miss N. Hebert.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1969

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References

REFERENCES

Farr, M. M. & Doran, D. J. (1962). Comparative excystation of four species of poultry coccidia. J. Protozool. 2, 403–7.CrossRefGoogle Scholar
Hein, Hele. (1968 a). The pathogenic effects of Eimeria acervulina in young chicks. Expl Parasit. 22 111.CrossRefGoogle ScholarPubMed
Hein, Hele. (1968 b). Resistance in young chicks to reinfection by immunization with two doses of oocysts of Eimeria acervulina. Expl Parasit. 22, 1218.CrossRefGoogle ScholarPubMed
Horton-Smith, C., Beattie, J. & Long, P. L. (1961). Resistance to Eimeria tenella and its transference from one caecum to the other in individual fowls. Immunology 4, 111–21.Google Scholar
Joyner, L. P. & Davies, S. F. M. (1960). Detection and assessment of sublethal infections of Eimeria tenella and Eimeria necatrix. Expl Parasit. 9, 243–9.CrossRefGoogle ScholarPubMed
Long, P. L. (1965). Development of Eimeria tenella in avian embryos. Nature, Lond. 208 509–10.CrossRefGoogle ScholarPubMed
Long, P. L. (1967). Studies on Eimeria mivati in chickens and a comparison with Eimeria acervulina. J. comp. Path. Ther 77, 315–25.CrossRefGoogle Scholar
Long, P. L. & Tanielian, Z. (1965). The isolation of Eimeria mivati in Lebanon during the course of a survey of Eimeria spp. in chicken. Inst. Recherches Agronomiques, Liban. (Magon, Sci. Ser.), no. 6.Google Scholar
Tyzzer, E. E. (1929). Coccidiosis in gallinaceous birds. Am. J. Hyg. 10 269383.Google Scholar