Please see here the video released from the FDA’s center for Veterinary Medicine:
https://www.fda.gov/AnimalVeterinary/SafetyHealth/ucm578348.htm
Small ruminant management, due to the development of FAMACHA scoring, has a huge advantage over cattle in saving costs, de-wormer lifetimes, and in genetic selection.
See here video on theĀ Duddingtonia: