References
- Barnes , EH , Dobson , RJ and Barger , IA . 1995 . Worm control and anthelmintic resistance: Adventures with a model . Parasitology Today , 11 : 56 – 63 .
- Besier , RB . 2001 . Re-thinking the summer drenching program . Journal of Agriculture of Western Australia , 42 : 6 – 9 .
- Besier , RB and Love , SCJ . 2003 . Anthelmintic resistance in sheep nematodes in Australia: the need for new approaches . Australian Journal of Experimental Agriculture , 43 : 1381 – 1391 .
- Bisset , SA and Morris , CA . 1996 . Feasibility and implications of breeding sheep for resilience to nematode challenge . International Journal for Parasitology , 26 : 857 – 868 .
- Bisset , SA , Vlassoff , A , West , CJ and Morrison , L . 1997 . Epidemiology of nematodosis in Romney lambs selectively bred for resistance or susceptibility to nematode infection . Veterinary Parasitology , 70 : 255 – 269 .
- Brunsdon , RV . 1964 . The effect of infestation by nematodes of the family Trichostrongylidae and the tapeworm, Moniezia expansa, upon the liveweight gain and wool production of young sheep . New Zealand Veterinary Journal , 12 : 129 – 134 .
- Hendrix , CM . 1998 . Diagnostic Veterinary Parasitology , 2nd Edtn , St Louis MO , , USA : Mosby Inc .
- Hughes , PL , McKenna , PB and Murphy , A . 2004 . Resistance to moxidectin and abamectin in naturally-acquired Ostertagia circumcincta infections in sheep . New Zealand Veterinary Journal , 52 : 202 – 204 .
- Hughes , PL , McKenna , PB and Dowling , AF . 2005 . A survey of the prevalence of emerging macrocyclic lactone resistance and of benzimidazole resistance in sheep nematodes in the lower North Island of New Zealand . New Zealand Veterinary Journal , 53 : 87 – 90 .
- Jefferies , BC . 1961 . Body condition scoring and its use in management . Tasmanian Journal of Agriculture , 32 : 19 – 21 .
- Kaplan , RM . 2004 . Drug resistance in nematodes of veterinary importance: a status report . Trends in Parasitology , 20 : 477 – 481 .
- Larsen , JWA and Anderson , N . 2000 . The relationship between the rate of intake of trichostrongylid larvae and the occurrence of diarrhoea and breech soiling in adult Merino sheep . Australian Veterinary Journal , 78 : 112 – 116 .
- Lawrence , KE , Rhodes , A P , Jackson , R , Leathwick , DM , Heuer , C , Pomroy , WE , West , DM , Waghorn , TS and Moffat , JR . 2006 . Farm management practices associated with macrocyclic lactone resistance on sheep farms in New Zealand . New Zealand Veterinary Journal , 54 : 283 – 288 .
- Leathwick , DM , Miller , CM , Atkinson , DS , Haack , NA , Alexander , RA , Oliver , A-M , Waghorn , TS , Potter , JF and Sutherland , IA . 2006 . Drenching adult ewes: Implications of anthelmintic treatments pre- and post-lambing on the development of anthelmintic resistance . New Zealand Veterinary Journal , 54 : 297 – 304 .
- Martin , PJ . 1987 . Development and control of resistance to anthelmintics International . Journal for Parasitology , 17 : 493 – 501 .
- Martin , PJ , LeJambre , LF and Claxton , JH . 1981 . The impact of refugia on the development of thiabendazole resistance in Haemonchus contortus . International Journal for Parasitology , 11 : 35 – 41 .
- Michel , JF . 1985 . Strategies for the use of anthelmintics in livestock and their implications for the development of drug resistance . Parasitology , 90 : 621 – 628 .
- Pomroy , WE . 2006 . Anthelmintic resistance in New Zealand: A perspective on recent findings and options for the future . New Zealand Veterinary Journal , 54 : 265 – 270 .
- Roberts , FHS and O'Sullivan , PJ . 1949 . Methods for egg counts and larval cultures forStrongyles infesting the gastro-intestinal tract of cattle . Australian Journal of Agricultural Research , 1 : 99 – 103 .
- Wyk , JA Van . 2001 . Refugia — overlooked as perhaps the most potent factor concerning the development of anthelmintic resistance . Onderstepoort Journal of Veterinary Research , 68 : 55 – 67 .
- Vlassoff , A and Brunsdon , RV . 1981 . Control of gastro-intestinal nematodes: advantages of a preventive anthelmintic drenching programme for lambs on pasture . New Zealand Journal of Experimental Agriculture , 9 : 221 – 225 .
- Vlassoff , A , Leathwick , DM and Heath , ACG . 2001 . The epidemiology of nematode infections of sheep . New Zealand Veterinary Journal , 49 : 213 – 221 .
- Waghorn , TS , Leathwick , DM , Rhodes , AP , Lawrence , KE , Jackson , R , Pomroy , WE and Moffat , JR . 2006 . Prevalence of anthelmintic resistance on sheep farms in New Zealand . New Zealand Veterinary Journal , 54 : 271 – 277 .
- West , DM . 1999 . The failure of faecal egg count with trigger drenching levels to control parasitism on intensive sheep units . Proceedings of the 29th Annual Seminar of the Society of Sheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association , : 97 – 101 .
- West , DM , Pomroy , WE and Leathwick , DM . 2004 . Multiple resistance in Trichostrongylus and Teladorsagia (Ostertagia) in goats to oxfendazole, levamisole and moxidectin, and ineffi cacy of trichlorphon. . New Zealand Veterinary Journal , 52 : 298 – 299 .
- Whitlock , HV . 1948 . Some modifications of the McMaster helminth egg counting technique apparatus . Journal of the Council for Scientific and Industrial Research , 21 : 117 – 80 .