7Watson T G, Hosking B C, Leathwick D M, et al. Ivermectinmoxideetin side resistance by Ostertagia species isolated from goats and passaged to sheep. Veterinary Record, 1996, 138: 472-473.
8Gopal R M, West D M, Pomroy W E. The difference in efficacy of ivermectin oral, moxidectin oral and moxidectin injectable formulations against an ivermectin-resistant strain of Trichostrongylus colubriformis in sheep. New Zealand Veterinary Journal. 2001 , 49: 133 - 137.
9Tyrell K L, Dobson R J, Stein P A, et al. The effects of overmectin and moxidectin on egg viability and larval development of ivermectin-resistant Haemonchus contortus. Veterinary Parasitology, 2002, 107:85-93.
