Polymorphism and Egg-size in the Sheep Nematode, Haemonchus Contortus.

Abstract

The adult form of Haemonchus contortus (Nematoda, Trichostrongyloidea) is parasitic in the abomasum of sheep. Eggs laid by the female pass out with the feces of the host. They hatch to give first stage larvae under suitable conditions of oxygen, humidity, and temperature. The infective third stage is reached after two molts. The third stage does not shed… (More)
DOI: 10.1111/j.1558-5646.1970.tb01796.x

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Cite this paper

@article{Lejambre1970PolymorphismAE, title={Polymorphism and Egg-size in the Sheep Nematode, Haemonchus Contortus.}, author={L F Lejambre and Lucy Ractliffe and Julia Whitlock and H D Crofton}, journal={Evolution; international journal of organic evolution}, year={1970}, volume={24 3}, pages={625-631} }