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Tasmania worm update - April 2012

Paul Nilon, Nilon Farm Health, Tasmania (

The north-west of the state and the Bass Strait Island received near record rainfall in March. Most of the rest of the state is as dry as. This was predicted by the BOM, but is about as welcome as provisional tax.

However, all stock are in excellent condition and a time grazing dry pastures may slow growth rates but will aid worm control. Most of the WECs, particularly from weaners, have been pleasingly low.

All summer drenching should be complete and from now on drench to recommended triggers.

Flukey places may have given one drench and should be preparing for an end-of-autumn strategic drench. Wait until there have been a few good frosts.

As predicted Haemonchus was found outside its usual haunts this year. Because the summer was long and the autumn (to date) has been mild, Haemonchus may persist until a few frosts slow them down.

For April 2012 state outlooks, please follow the links below:
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