Worm resistant sheep bring pasture benefits

SELECTING for worm resistance is a good strategy for reducing worm burdens in sheep, but research in northern New South Wales has shown it can also be used to reduce worm burdens in pasture with flow-on benefits to less-resistant sheep. By Jill Griffiths.

Worm resistant sheep bring pasture benefits Worm resistant sheep bring pasture benefits Worm resistant sheep bring pasture benefits Worm resistant sheep bring pasture benefits Worm resistant sheep bring pasture benefits

ParaBoss Executive OfficerDr Lewis Kahn said the researchcompared the effect on pastureworm burdens from grazingwith Merino ewes from a worm-resistantselection line against ewes from anunselected