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Australia's resource for control of worms, flies and lice in sheep,
and worms in goats

Do you see flies and lice in winter?
Do you see flies and lice in winter?
What is a primer drench?
What is a primer drench?

The Quick Quiz

This quick quiz tests your knowledge of sheep and goat parasites and their control. 

1. What is a primer drench, and when is it used?

2. What is the difference between worm resistance and drench resistance?

3. Why are lice usually seen in winter?

4. Why are blowflies not usually seen in winter?

>> Check the answers.

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       Sheep                   Goats

State Outlooks for June 2019

Dry conditions continue in many districts, but in others, some rain has fallen and the threat of worm infections has producers evaluating the need for the pre-lamb drench.


New South Wales
>> full report

Worm testing will assist the management of pregnant and lambing ewes to reduce the post-parturient rise in worm burdens.  

>> full report

Worm egg counts in vulnerable stock are expected to rise sharply this July. Young stock, both sheep and cattle, should be monitored frequently over winter until the end of August.

>> full report

If you have sheep in the yards WormTest first before drenching. Check pre-lambing ewes for barber’s pole.

Western Australia
>> full report

The focus is on ewes with lambs at foot, but also on last year’s lambs. Sheep in less than ideal body condition will be especially susceptible to worms.

>> full report

Consider a long-acting drench (with caveats) if ewe body condition scores are light, pasture shortages at lambing are anticipated, there is evidence of barber’s pole, and ewes will lamb down on barber’s pole infective paddocks.   

South Australia
>> full report

As lambing and lamb marking progress, it is time to start developing plans for weaning paddocks and undertaking drench resistance testing.