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Answers and links to further information are provided below the image.
What is the procedure that is used to conduct a DrenchTest?
Under what situations should I give a quarantine drench?
When will the blowflies return?
Which sheep are most at risk of pregnancy toxaemia?
A DrenchTest uses the procedure called a Worm Egg Count Reduction Test or WECRT
Quarantine drench all sheep new to the property, whether newly purchased or returning from agistment. (Follow the link for drench type, timing and follow-up)
When it warms up! The maggots over-winter in the ground as larvae or pre-pupae. As the soil temperature increases (>15°C) the larvae pupate and emerge.
Ewes in late pregnancy and particularly: