A novel approach to control brown dog tick, Rhipicephalus sanguineus using sustained release poly-ɛ-caprolactone-pheromone microspheres

Control of brown dog tick, Rhipicephalus sanguineus was attempted by utilizing sustained release preparations of synthetic analogues of assembly pheromones. The assembly pheromone, in defined ratio, was encapsulated using poly-ɛ-caprolactone by water-in-oil-in-water double emulsion solvent evaporati...

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Bibliographic Details
Published in:Acta parasitologica 2014-03, Vol.59 (1), p.153-157
Main Authors: Bhoopathy, Dhivya, Latha, Bhaskaran Ravi, Uma, T. S., Sreekumar, C., Leela, V.
Format: Article
Language:English
Subjects:
Acaricides - pharmacology
Animal Systematics/Taxonomy/Biogeography
Animals
assembly pheromone
Biomedical and Life Sciences
Biomedicine
Ecology
Medical Microbiology
Microbiology
Nitriles - pharmacology
Original Paper
Parasitology
Pest Control, Biological - methods
Pheromones - pharmacology
poly-ɛ-caprolactone microspheres
Polymers - chemistry
Pyrethrins - pharmacology
Rhipicephalus sanguineus
Rhipicephalus sanguineus - drug effects
sustained release
tick control
Tick Control - methods
Tick Infestations - prevention & control
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Summary:Control of brown dog tick, Rhipicephalus sanguineus was attempted by utilizing sustained release preparations of synthetic analogues of assembly pheromones. The assembly pheromone, in defined ratio, was encapsulated using poly-ɛ-caprolactone by water-in-oil-in-water double emulsion solvent evaporation technique. In the in vitro bioassay, percent mortality with test microspheres was 95.6, 64 and 44 among the unfed larvae, unfed nymph and unfed adults respectively, 24 hours post-exposure. Field trials were carried out to evaluate the efficacy of microspheres in luring and killing environmental stages of R. sanguineus in dog houses/kennels. Engorged and unfed stages in the environment were found adhered and dead on the specially designed lure.
ISSN:1230-2821
1896-1851
1896-1851
DOI:10.2478/s11686-014-0224-4