In this month's episode we hear from District Vet Liz Bolin and Senior Ag Advisor Nathan Jennings about internal and external parasites and how to manage them in your herd. Nathan tells us about a trial investigating the effectiveness of common chemicals in treating internal parasites, and some of the ways to avoid drench resistance in your herd.

The chemicals Nathan refers to in this episode are:

• moxidectin pour on
• doramectin pour on
• moxidectin levamisole combination pour on 
• levamisole oral drench
• oxfendazole oral drench

For more information, read the fact sheet on this trial here: Drench resistant worms on the NSW North Coast

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