Parasite expert: Farm medicines will be ineffective in 20 years

The researcher said there was too much of a reliance on wormers amongst farmers and that conflicting messages has led to confusion

Niall Hurson

Farmers have been warned that all medicines could become ineffective within 20 years due to resistance unless dramatic changes are made to farm systems.

Speaking at the Teagasc National Lowland Sheep Conference in Monaghan last week, Principal Scientist in Parasitology at the Pastoral Agricultural Research Centre (AgResearch) in New Zealand, Dave Leathwick, said that resistance has become the norm on farms.