Drench Resistance

Nutrition is a fundamental component of parasite tolerance, but so is pasture management as a large contributing factor to your success or failure. Words Melinda Turner.

When testing revealed triple drench resistance, station manager Charles Yule knew he had to consider changes to the property’s management strategy.
Words Tony Leggett, Photos John Cowpland, Alphapix Photography.

As an increasing number of sheep farmers grapple with triple drench resistance, a group of Wairarapa farmers are meeting on a regular basis to learn about managing parasites without relying on drenches. Words Sandra Taylor.

North Otago veterinarian Dave Roberston has developed a five-point plan to help farmers control parasites in sheep farm systems. Words Tony Leggett.

Drench resistance has been a ticking time bomb for a while. Veterinarian Erin Riley first saw the signs of it in the UK before she moved to New Zealand, but was hopeful that the evolution of combination drenches would buy more time. Words Sarah Perriam-Lampp.

As the drench resistance train continues at speed through the New Zealand sheep industry it is leaving many lamb purchasers asking ‘why can’t drench resistance be included on the Animal Status Declaration (ASD)?’ Words Ginny Dodunski.

Drench resistance is a growing challenge for many New Zealand farms, but it doesn’t have to be a death sentence. Hear about what tools are out there, including adapting farm systems, and being proactive with testing.

Rebecca Greaves talks to Wormwise Programme Manager Ginny Dodunski about what to do if you discover drench resistance onfarm, and Hawke’s Bay farmer Charles Yule, who is farming with drench resistance and wrote his Kellogg Rural Leadership Programme report on this topic.

A recent national report showed that a third of sheep farmers have triple drench resistance. Rebecca Greaves and Sarah Perriam-Lampp uncover what that means for you, discussing the financial impacts of drench resistance with Wairarapa vet Sara Sutherland, drench management plans with Clive Bingham of Zoetis NZ, and worm control with Ginny Dodunski, Wormwise Programme Manager.

In light of a rapid rise in levels of drench resistance, Ginny Dodunski of Wormwise investigates alternatives to help light breeding ewes.