Do we need a worm refuge?

The concept of ‘refugia’ has been proposed as the most important factor to slow the development of anthelmintic resistance. Photo by Jayme Lowndes

The over-use of anthelmintics (drenches) for the chemical control of gastrointestinal worms has led to resistant worm populations in many areas of the world. This article discusses the use of non-chemical control, along with strategic drenching, to minimise the threat of drench resistance on your farm.

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