Named in honour of the German scientist Ostertag.
Classification
Genus of the nematode family Trichostrongylidae.
General Information
The adult worms (female about 10 mm long) live in the rennet-bag (4th stomach) of cattle. The larvae 1–3 develop within 3 weeks outside of the body. When larvae 3 are taken up with grass, they enter the glands of the rennet-bag and grow there via 2 molts until maturity. Males and females live free in the small intestine. The prepatent period takes 18–23 days in Ostertagia ostertagia and O.circumcincta.
Life Cycle
Trichostrongylidae, Fig. 1.
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© 2016 Springer-Verlag Berlin Heidelberg
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(2016). Ostertagia. In: Mehlhorn, H. (eds) Encyclopedia of Parasitology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-43978-4_2259
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DOI: https://doi.org/10.1007/978-3-662-43978-4_2259
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-43977-7
Online ISBN: 978-3-662-43978-4
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