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What’s the story with genetics for worm management? Aren’t worm-resistant sheep poor performers? What’s the difference between resistance and resilience? Who’s CarLA (hint: It’s not your sister’s mate from Temuka). Resistant sheep have high immunity to worms and pass less worm eggs in their faeces. Resilient sheep continue to grow and perform despite worm challenge. Both traits are being measured and selected by NZ sheep breeders – you can buy rams that will improve these traits in your flock. …

Not all testing for worms involves handling poo! Here we discuss how animal performance and health checks can be used in worm monitoring. This includes things you can check after an animal has died. …