Strategic deworming to fight resistance, part 1

Part 1: Using drugs effectively The parasite resistance issue in small ruminants isn’t new, but it’s still a struggle for many producers. Dr. Dahlia O’Brien, Virginia State University, promotes a multi-pronged approach to managing Haemonchus contortus (barber pole worm), the most economically significant parasite of sheep and goats. Sheep and goats are especially susceptible to internal parasites