Efficacy of orally administered invermectin against larval stages of Oestrus ovis in sheep

The efficacy of ivermectin administered orally at a dosage rate of 0.2 mg/kg liveweight against naturally acquired larval infestations of Oestrus ovis in sheep was 100% in a field trial. Ten sheep were free from infestation by first, second and third instar larvae of O. ovis 12 days post treatment,...

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Bibliographic Details
Published in:Veterinary parasitology 1998-02, Vol.75 (2-3), p.255
Main Authors: Lucientes, J, Castillo, J A, Ferrer, L M, Peribáñez, M A, Ferrer-Dufol, M, Gracia-Salinas, M J
Format: Article
Language:English
Subjects:
Administration, Oral
Animals
Diptera - drug effects
Diptera - growth & development
Female
Insecticides - administration & dosage
Insecticides - therapeutic use
Ivermectin - administration & dosage
Ivermectin - therapeutic use
Larva - drug effects
Myiasis - drug therapy
Myiasis - parasitology
Myiasis - veterinary
Nasal Cavity - parasitology
Nose Diseases - drug therapy
Nose Diseases - parasitology
Nose Diseases - veterinary
Sheep
Sheep Diseases - drug therapy
Sheep Diseases - parasitology
Spain
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Summary:The efficacy of ivermectin administered orally at a dosage rate of 0.2 mg/kg liveweight against naturally acquired larval infestations of Oestrus ovis in sheep was 100% in a field trial. Ten sheep were free from infestation by first, second and third instar larvae of O. ovis 12 days post treatment, whereas 10 control sheep harboured 37.7 larvae on average, most of them first stage.
ISSN:0304-4017