Dr Brown Besier, DAFWA, Albany (brown.besier@agric.wa.gov.au)
A recent Sheep CRC phone survey of producers across Australia reveals some interesting trends regarding sheep drench purchases, and an encouraging correlation with active information-seeking to choose drench types.
A major thrust in CRC extension messages is to ensure that drenches are fully-effective (as close to 100% as possible, and at least 95% effective), so very few resistant worms survive to add to future worm populations. As importantly, drenches known to have high levels of resistance should be avoided unless a recent test shows they are effective.
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