Selecting breeding stock with superior in-built resistance to worms is delivering improved growth rates and more resilient lambs for New England breeder Martin Oppenheimer. Mr Oppenheimer runs the Petali Poll Merino and White Suffolk studs at Walcha, where the high summer rainfall presents an annual challenge in controlling populations of parasites such as Barber’s Pole or Haemonchus contortus, which can have a devastating effect on productivity if left unchecked. Read the full media release below.

ASBVs key to worm resistance and resilience at Petali (236 KB)