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The ecology of the immature phases of trichostrongyle parasites V. The estimation of pasture infestation

Published online by Cambridge University Press:  06 April 2009

H. D. Crofton
H. D. Crofton
Affiliation:
Department of Zoology, University of Bristol
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Extract

1. Methods of sampling pastures for infective larvae are discussed.

2. An account is given of the methods of operation and identification of larvae from herbage.

3. The distribution of larvae on pastures is discussed in relation to choice of method of sampling and interpretation of results.

4. The significance of grazing patterns to distribution of larvae is considered.

5. An attempt is made to evaluate the use and limitations of pasture sampling methods.

The author is indebted to the Agricultural Research Council for financial assistance in the form of a special research grant.

Type
Research Article
Information
Parasitology , Volume 44 , Issue 3-4 , November 1954 , pp. 313 - 324
Copyright
Copyright © Cambridge University Press 1954

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References

REFERENCES

Andrews, J. S. (1935). A note on the morphology of the anterior ends of the infective larvae of some nematodes parasitic in the alimentary tract of sheep. Proc. Helm. Soc. Wash. 2, 88–90.Google Scholar
Augustine, D. L. (1923). Investigations on the control of hookworm disease. VI. Amer. J. Hyg. 3, 420–33.Google Scholar
Beall, G. (1940). The fit and significance of contagious distributions when applied to observations on larval insects. Ecology, 21, 460–87.CrossRefGoogle Scholar
Crofton, H. D. (1948). The ecology of immature phases of trichostrongyle nematodes. I. The vertical distribution of infective larvae of Trichostrongylus retortaeformis in relation to their habitat. Parasitology, 39, 17–25.CrossRefGoogle ScholarPubMed
Crofton, H. D. (1949). The ecology of immature phases of trichostrongyle nematodes. III. Larval populations on hill pastures. Parasitology, 39, 274–80.CrossRefGoogle Scholar
Crofton, H. D. (1952). The ecology of immature phases of trichostrongyle nematodes. IV. Larval populations on lowland pastures. Parasitology, 42, 77–84.CrossRefGoogle ScholarPubMed
Dikmans, G. & Andrews, J. S. (1933). A comparative morphological study of the infective larvae of the common nematodes parasitic in the alimentary tract of sheep. Trans. Amer. Micr. Soc. 52, 1–25.CrossRefGoogle Scholar
Dinaburg, A. G. (1944). The survival of the infective larvae of the common ruminant stomach worm Haemonchus contortus on outdoor grass plots. Amer. J. Vet. Res. 5, 32–7.Google Scholar
Furman, D. P. (1944). Effects of environment upon the free-living stages of Ostertagia circumcincta (Stadelmann) Trichostrongylidae. Amer. J. Vet. Res. 5, 79–86.Google Scholar
Hunter, G. C. & Quenouille, M. H. (1952). A statistical examination of the worm egg count sampling technique for sheep. J. Helmin. 26, 157–70.CrossRefGoogle Scholar
Monnig, H. O. (1930). Studies on the bionomics of the free-living stages of Trichostrongylus spp. and other parasitic nematodes. Rep. vet. Res. S. Afr. 16, 175–98.Google Scholar
Taylor, E. L. (1939). Technique for the estimation of pasture infestation by strongylid larvae. Parasitology, 31, 473–8.CrossRefGoogle Scholar