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Two Consecutive Transfers of Heterakis gallinarum: Effects on Caceal Worms and on Histomonads

Published online by Cambridge University Press:  05 June 2009

Everett E. Lund  and
Anne M. Chute
Everett E. Lund
Affiliation:
Animal Parasitology Institute, Agricultural Research Center, Beltsville, Maryland 20705, U.S.A.
Anne M. Chute
Affiliation:
Animal Parasitology Institute, Agricultural Research Center, Beltsville, Maryland 20705, U.S.A.
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Extract

Heterakis gallinarum known to transmit Histomonas meleagridis were transferred when 10 and 14 days old from chicken to chicken to chicken, chicken to chicken to turkey, and in other combinations of these 2 hosts. Results were compared throughout with those attending single transfers of worms and no transfer at all. H. meleagridis was liberated and became detectable in as little as 24 hours in some recipient birds. Recipient chickens some times developed infections with H. meleagridis even though the protozoan had never been found in either the original donors of 10-day larvae or donors of 14-day worms.

Recovery of mature Heterakis gallinarum from recipients of 10-day larvae was about 1 1/2 times that from birds in which heterakids developed from hatching to maturity without being disturbed. Transferred worms were 10–17% larger at maturity, suggesting that a single transfer at 10 days was less detrimental than uninterrupted development in the partially immunized bird. Recovery of H. gallinarum from turkey recipients of 10-day larvae equalled that from comparable chicken recipients, but turkey recipients of 14-day heterakids yielded fewer heterakids than did their chicken counterparts, whether 1 or 2 transfers had been made.

Type
Research Article
Information
Journal of Helminthology , Volume 47 , Issue 2 , June 1973 , pp. 141 - 153
Copyright
Copyright © Cambridge University Press 1973

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References

REFERENCES

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