The FAMACHA technique requires frequent handling of all the animals in the flock in order to examine the inside of the eyelid for signs of anemia. Anemic animals are often infested with Haemonchus and are in need of de-worming. Non-anemic animals are skipped during the de-worming cycle, saving the producer money and helping extend the useful life of the de-wormer in the flock.” I couldn’t have said it better myself.