New Zealand Sheep Husbandry – Using Refugia to control worms
By Dr Clive Dalton Refugia – what’s it all about?The word ‘refugia’ seemed to appear out of the blue about 5-6 years ago, and was used by veterinarians and parasitologists when talking to farmers about worms (internal parasites) in sheep and in cattle. Finding out about the bad news We should have known! Refugia arose … Read more