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Sheep Ectoparasite Resistance Update

The impact of insecticide resistance on blowflies is usually a reduction in the protection period provided by treatments rather than complete control failure. The blowfly that initiates most flystrike in Australia is Lucilia cuprina which has developed widespread, high-level, stable resistances to insecticides like the organophosphates.

This project investigated six insecticides registered for flystrike control, including diazinon; ivermectin; spinosad; imidacloprid; cyromazine and dicyclanil in order to provide up to date information on the presence and level of resistance and its distribution across the sheep producing areas of Australia.

Project date

1 Nov 2017-1 Jul 2020

Principal investigator

Narelle Sales

Project led by

Australian Wool Innovation (AWI)

Australian Wool Innovation is a not-for-profit enterprise that conducts research, development and marketing along the worldwide supply chain for Australian …

  • Location


Logo for Australian Wool Innovation (AWI)

Focus areas



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