A suitable model for the utilization of Duddingtonia flagrans fungus in small-flock-size sheep farms

► Animals receiving 106Duddingtonia flagrans chlamydospores/animal remained with low parasite load throughout the experiment. ► Control animals had to be dewormed for three times because median EPG of the group reached 500. ► The oral administration of chlamydospores led to significant reduction in larval availability on herbage (difference of 37.6%).