Knowledge Hub

sheep in yards nz

Drench Resistance

Drench resistance is a change in the genes of a worm population that enables some worms to survive drenching. Drench resistance is a farm problem. Resistant genes can be purchased with stock or with land. Destocking will not get rid of resistant worms, as most of the worm population is on the pasture. How does […]

Read more about Drench Resistance