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Effect of dimetridazole on transmission of Histomonas meleagridis by Heterakis gallinarum

Published online by Cambridge University Press:  06 April 2009

M. B. Chute
Affiliation:
U.S. Department of Agriculture, Animal Parasitology Institute, Science and Education Administration, Beltsville, Maryland 20705
Anne M. Chute
Affiliation:
U.S. Department of Agriculture, Animal Parasitology Institute, Science and Education Administration, Beltsville, Maryland 20705
G. C. Wilkins
Affiliation:
U.S. Department of Agriculture, Animal Parasitology Institute, Science and Education Administration, Beltsville, Maryland 20705

Summary

The administration of an antihistomonal drug, dimetridazole, at a dose of 0·08% in feed, controlled experimental infections with Histomonas meleagridis in chickens. The treated birds developed no lesions and the duration of infection with H. meleagridis was reduced. This drug regimen, however, did not always prevent incorporation of H. meleagridis into eggs of Heterakis gallinarum; heterakid eggs pooled from medicated chickens in which H. meleagridis had never been detected transmitted the protozoan to 1 of 10 turkeys fed the eggs. Thus, therapeutic treatment of chickens with dimetridazole may reduce, but not eliminate, transmission of H. meleagridis by eggs of H. gallinarum from medicated birds.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1978

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References

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