According to ATTRA*, there are two long-term, holistic approaches to reining in the barber pole worm (Haemonchus contortus): grazing management and genetic selection. The one with the most immediate returns is strategic grazing. In their 2018 fact sheet, ATTRA discusses strategies for using grazing management to control parasites in the Intermountain West.
*ATTRA Sustainable Agriculture is a program of the National Center for Appropriate Technology
Download fact sheet