NDLI: In vivo and in vitro effects of imidacloprid on sheep keds (Melophagus ovinus): a light and electron microscopic study

Content Provider	Springer Nature Link
Author	Mehlhorn, Heniz D'Haese, Jochen Mencke, rbert Hansen, Olaf
Copyright Year	2001
Abstract	The effects of imidacloprid (Advantage) on sheep keds (Melophagus ovinus Linné 1758) were studied in vivo and in vitro by means of direct observation (monitored on video tape) and by light and electron microscopy. It was found that:1. Imidacloprid acted rapidly on all motile stages of the sheep keds. Within 3–4 min after exposure they became immobile and their legs and the abdomen started tetanic trembling movements for 15–30 min, leading to death.2. The compound is apparently taken up by the body, since it also acted on those sheep keds that had been exclusively exposed to imidacloprid-contaminated filter papers.3. The compound is available and active for more than 1 month in the wool of sheep; even rainfall does not reduce its efficacy. Body contact between treated mother sheep and their lambs protects them from infestation with these ectoparasites.4. The compound initiates an ultimately lethal destruction of the ganglia, nerve chords and related muscle fibers, as can be seen in electron micrographs.
Starting Page	331
Ending Page	336
Page Count	6
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	87
Issue Number	4
e-ISSN	14321955
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-03-26
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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