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1. To check if a drench has worked after you have used it (DrenchCheck), what is the minimum and maximum number of days after the drench that a follow up WEC test sample be taken?
2. Which fly initiates most strikes in Australia?
3. Why do lice treatments have a Wool rehandling period?
The first WormTest within the DrenchCheck-Day10 is done up to 10 days before a mob is drenched with a short-acting drench and the second is done exactly between 10 and 14 days after the mob is drenched (testing earlier or later than 10–14 days can be inaccurate).
The Australian sheep blowfly, Lucilia cuprina, initiates over 90% of all flystrike in the Australian flock. Other fly species will strike sheep but only in small numbers and do not escalate into fly waves.
Wool rehandling period is the period between treatment and when the wool or treated sheep can be safely handled without the need for protective clothing. Some products can pose health risks to those handling the sheep for some time after treatment or to those handling the wool shorn from recently treated sheep. If a wool-rehandling period is given on the label, this must be observed to protect those handling the sheep or wool, but may also be required for other wool residue issues.