References
- Watson , TG and Hosking , BC . 1990 . Evidence for multiple anthelmintic resistance in two nematode parasite genera on a Saanen goat dairy . New Zealand Veterinary Journal , 38 : 50 – 3 .
- Butler AR . 1989 . “ Aspects of anthelmintic resistance in nematodes of sheep ” . In Master of Veterinary Science thesis, Massey University
- Badger , SB and McKenna , PB . 1990 . Resistance to ivermectin in a field strain of Ostertagia spp. in goats . New Zealand Veterinary Journal , 38 : 72 – 4 .
- McKenna , PB , Badger , SB , McKinley , RL and Taylor , DE . 1990 . Simultaneous resistance to two or more broad-spectrum anthelmintics by gastrointestinal parasites of sheep and goats . New Zealand Veterinary Journal , 38 : 114 – 7 .
- Bailey , KM . 1991 . Anthelmintic ineffectiveness in New Zealand 1989-1990 . Surveillance , 18 : 38 – 9 .
- Elliott , DC . 1987 . Removal of Haemonchus contortus, Ostertagia circumcincta and Trichostrongylus spp. from goats, by morantel citrate, levamisole hydrochloride, fenbendazole, and oxfendazole . New Zealand Veterinary Journal , 35 : 208 – 10 .
- McKenna , PB and Watson , TG . 1987 . The comparative efficacy of four broad spectrum anthelmintics against some experimentally induced trichostrongylid infections in sheep and goats . New Zealand Veterinary Journal , 35 : 192 – 5 .
- Coles , GC , Giordano , DJ and Tritschler , JP . 1989 . Efficacy of levamisole against immature and mature nematodes in goats with induced infections . American Journal of Veterinary Research , 50 : 1074 – 5 .