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SubscribeDo you expect to have fly struck sheep this coming season? If so, NSW DPI, in collaboration with AWI, are seeking your involvement in an important research project to investigate blowfly resistance to the commonly used flystrike chemicals.
Accurately knowing the chemical resistance status of the flies on your property will help you (and your advisor or chemical reseller) make better decisions about the best chemicals for you to use in the prevention and treatment of flystrike in your sheep, saving you time and money.
Testing will be carried out on your maggots to determine if resistance is present to Dicyclanil (e.g. Clik), Cyromazine (e.g. Vetrazin), Ivermectin (e.g. Coopers Blowfly and Lice), Spinosad (e.g. Extinosad) and Imidacloprid (e.g. Avenge + Fly). This would normally cost you $346 plus postage, but for being involved in this project you will receive the results of these tests FOR FREE. The lead researcher for this Project, Narelle Sales, will also send you an email or give you a call to explain exactly what your results mean.
Narelle Sales,
Elizabeth Macarthur Agricultural Institute, NSW DPI
Direct T: 02 4640 6446
E: narelle.sales@dpi.nsw.gov.au
** If the proper collection kit is not immediately on hand, you can use a fully sealable container (e.g. two plastic vitamin containers) with about 6 needle holes in each lid (no bigger or the maggots escape) and a small handful of completely dry dirt or sand that does not contain any small pebbles.
Resistance of flies to preventative and treatment chemicals can be managed to slow the development, especially if caught early—before obvious signs of resistance.
* This page was last updated on 3 November 2022.
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