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Egg size and desiccation survival in Trichostrongylus colubriformis (Nematoda: Trichostrongylidae)

Published online by Cambridge University Press:  06 April 2009

P. J. Waller  and
A. D. Donald
P. J. Waller
Affiliation:
Division of Animal Health, C.S.I.R.O., McMaster Laboratory, Glebe, N.S.W.
A. D. Donald
Affiliation:
Division of Animal Health, C.S.I.R.O., McMaster Laboratory, Glebe, N.S.W.
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Extract

It has been shown that in samples of the eggs of T. colubriformis, the smaller eggs (i) have a greater probability of survival when incubated at fixed temperature and saturation deficit; (ii) require less time to develop and hatch when incubated in water at constant temperature, and (iii) have a greater surface area relative to volume, than do the larger eggs.

A hypothetical basis for the relation between egg size and desiccation survival is briefly discussed.

Type
Research Article
Information
Parasitology , Volume 61 , Issue 2 , October 1970 , pp. 205 - 209
Copyright
Copyright © Cambridge University Press 1970

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References

REFERENCES

Crofton, H. D. & Whitlock, J. H. (1965 a). Ecology and biological plasticity of sheep nematodes. IV. The biological significance of temperature × time hatching curves for eggs of sheep nematodes. Cornell Veterinarian 55, 263–74.Google ScholarPubMed
Crofton, H. D. & Whitlock, J. H. (1965 b). Ecology and biological plasticity of sheep nematodes. V. The relationship between egg volume and hatching time. Cornell Veterinarian 55, 274–9.Google ScholarPubMed
Waller, P. J. & Donald, A. D. (1970). The response to desiccation of eggs of Trichostrongylus colubriformis and Haemonchus contortus (Nematoda: Trichostrongylidae). Parasitology 61, 195–204.CrossRefGoogle ScholarPubMed