21 Jun 2019

Worms Defy Drenches

From Country Life, 9:07 pm on 21 June 2019
No caption

Photo: RNZ/Carol Stiles

Veterinarian Anthony Oswald says parasites in sheep have developed a resistance to some drenches and farmers need to re-think when they drench and how they manage their stock to make sure their animals remain healthy and their farms productive.