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… Learn about when you should administer a quarantine drench, what to use, and importantly – what to do afterwards!  … The ‘why’ of quarantine  The aim of a quarantine drench to bought-in stock is to prevent the importation of multi-drench-resistant worms onto your property.   … drench-resistant worms, but those buying in replacement ewes of unknown status should also have a properly thought-out quarantine protocol in place.  Do they need a quarantine?  Note: The following is not an exhaustive list – it’s a set of …

… testing for resistance, and drench use strategies that slow down the development of resistance, including refugia and quarantine drenching. … Drenching …

Drench resistance is evolution in action (remember Darwin?). Here we examine the risk factors for developing drench resistance on your farm. We also show you what you can do to assess your own situation. …

… What is Refugia? The term Refugia means a worm population that can reproduce without being exposed to drenching.  Keeping a population (or refuge) of drench-susceptible worms on the farm can slow the build-up of parasites …