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Having selected a paddock, give the first ‘summer drench’ and intensively graze the target paddock for 30 days, then leave the paddock unstocked until the second summer drench. After that, intensively graze the target paddock again for 30 days, and then de-stock. In autumn, drench sheep on to the target paddock, but continue to monitor worm egg counts.
(A WEC before either of the summer drenches is usual in some regions/situations, check your regional WormBoss program)
On properties where preventative treatments are not required every year, a threshold method, where treatment occurs once a set amount of strike is occurring, can be used to decide when to treat.
Ensuring lice do not enter the property. Nearly all new lice infestations begin from contact with lice infested sheep, such as new sheep introductions and straying sheep.
Source bucks from studs which provide a worm egg count estimated breeding value (WEC EBV) — you’ll want to look for one which consistently returns lower-than-average WECs.
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