1. Familton AS, McAnulty RW: Life cycles and development of nematode parasites of ruminants. Sustainable control of internal parasites in ruminants. Edited by: Barrell GK. 1997, Lincoln University, New Zealand: Animal Industries Workshop, 67-80.
2. Perry BD, Randolph TF: Improving the assessment of the economic impact of parasitic diseases and of their control in production animals. Vet Parasitol. 1999, 84 (3–4): 145-168.
3. Miller CM, Waghorn TS, Leathwick DM, Candy PM, Oliver AMB, Watson TG: The production cost of anthelmintic resistance in lambs. Vet Parasitol. 2012, 186 (3–4): 376-381.
4. Sargison ND: Pharmaceutical treatments of gastrointestinal nematode infections of sheep—Future of anthelmintic drugs. Vet Parasitol. 2012, 189 (1): 79-84.
5. Morris C, Watson T, Bisset S, Vlassoff A, Douch P: Breeding sheep in New Zealand for resistance or resilience to nematode parasites. Breeding for Resistance to Infectious Diseases of Small Ruminants. Edited by: Gray G, Woolaston R, Eaton B. 1995, Canberra: Australian Centre for International Agricultural Research, 77-98.