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Morphology of inhibited larvae of the bovine lungworm Dictyocaulus viviparus

Published online by Cambridge University Press:  11 April 2024

G. von Samson-Himmelstjerna  and
T. Schnieder
G. von Samson-Himmelstjerna*
Affiliation:
Institute of Parasitology, School of Veterinary Medicine, Bünteweg 17, 30559 Hannover, Germany
T. Schnieder
Affiliation:
Institute of Parasitology, School of Veterinary Medicine, Bünteweg 17, 30559 Hannover, Germany
*
Fax: 02173 38 37 66 E-mail: georg.samson-himmelstjerna.gs@bayer-ag.de
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Abstract

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Some morphological features of inhibited fourth stage (L4) and fourth moult larvae (4M) of the bovine lungworm Dictyocaulus viviparus are described. Inhibition was induced by maintaining the third stage larvae (L3) for 6 weeks at 4°C. Inhibited fourth stage (L4) and fourth moult larvae (4M) were collected by perfusion of the lungs of experimentally infected calves after necropsy at 15 and 68 days post infection (d.p.i.), respectively. Inhibited 4M, isolated at 68 d.p.i., were about ten times larger than inhibited L4 isolated at 15 d.p.i.

Type
Research Article
Information
Journal of Helminthology , Volume 73 , Issue 1 , January 1999 , pp. 79 - 83
Copyright
Copyright © Cambridge University Press 1999

Footnotes

*

Bayer AG, Business Group Animal Health, Institute for Parasitology, Agricultural Research Centre Monheim, D-51368 Leverkusen, Germany.

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