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2020 December

The quiz questions are taken from:

The online learning pages focus on the important topics within worms, flies and lice and offer two approaches to learning: structured reading and question and answer.

We also welcome suggested questions for the quiz, (either reply on the ParaBoss News email if you are subscribed or use Contact Us, at the bottom of the web page).

Answers and links to further information are provided below the image.

Questions

Question 1: How can you prepare low-risk paddocks in winter rainfall areas?

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)

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Question 2: What is the threshold method for determining flystrike treatment times?

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.

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Question 3: What’s the most economical method of managing sheep lice?

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.

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Question 4: How can you assess bucks for their worm resistance before purchasing?

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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It is worth investing time and effort in biosecure processes in order to have a louse-free flock.
It is worth investing time and effort in biosecure processes in order to have a louse-free flock.
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