The detection of anthelmintic resistance by the faecal egg count reduction test: An examination of some of the factors affecting performance and interpretation

References References

• Bisset , SA , McMurtry , LM , Vlassoff , A and West , CJ . 1988 . Anthelmintic resistance to two drench families in a dairy goat herd: suggestions for future control options . New Zealand Veterinary Journal , 36 : 201 – 203 .
   PubMed Web of Science ®Google Scholar
• McKenna , PB . 1989 . Anthelmintic resistance in the southern North Island . Surveillance , 16 : 15 – 17 .
   Google Scholar
• Badger , SB and McKenna , PB . 1990 . Resistance to ivermectin in a field strain of Ostertagia spp. in goats . New Zealand Veterinary Journal , 38 : 72 – 74 .
   PubMed Web of Science ®Google Scholar
• 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 – 53 .
   PubMed Web of Science ®Google Scholar
• Taylor , MA and Hunt , KR . 1989 . Anthelmintic drug resistance in the UK . Veterinary Record , 125 : 143 – 147 .
   PubMed Web of Science ®Google Scholar
• Martin , PJ , Anderson , N and Jarrett , RG . 1989 . Detecting benzimidazole resistance with faecal egg count reduction tests and in vitro assays . Australian Veterinary Journal , 66 : 236 – 240 .
   PubMed Web of Science ®Google Scholar
• Martin , PJ , Anderson , N and Jarrett , RG . 1985 . Resistance to benzimidazole anthelmintics in field strains of Osrerfagia and Nematodirus in sheep . Australian Veterinary Journal , 62 : 38 – 43 .
   PubMed Web of Science ®Google Scholar
• Dash , KM , Hall , E and Barger , IA . 1988 . The role of arithmetic and geometric mean worm egg counts in faecal egg count reduction tests and in monitoring strategic drenching programs in sheep . Australian Veterinary Journal , 65 : 66 – 68 .
   PubMed Web of Science ®Google Scholar
• Britt , DP and Oakley , GA . 1986 . Anthelmintic evaluation of a thiabendazoleresistant strain df Ostertagia circumcincta recovered from sheep in England . Veterinary Parasitology , 19 : 95 – 101 .
   PubMed Web of Science ®Google Scholar
• Vizard , AL and Wallace , RJ . 1987 . A simplified faecal egg count reduction test . Australian Veterinary Journal , 64 : 109 – 111 .
   PubMed Web of Science ®Google Scholar
• Webb , RF , McCully , CH and Adams , BS . 1979 . The efficiency of oxfendazole against four field populations of benzimidazole resistant Huemonthus contortus . Australian Veterinary Journal , 55 : 249 – 250 .
   PubMed Web of Science ®Google Scholar
• Vlassoff , A and Kettle , PR . 1980 . Benzimidazole resistance in Haemonchus contortus . New Zealand Veterinary Journal , 28 : 23 – 24 .
   Web of Science ®Google Scholar
• Echevarria , FAM and Trindade , GNP . 1989 . Anthelmintic resistance by Haemonchus contortus to ivermectin in Brazil: A preliminary report . Veterinary Record , 124 : 147 – 148 .
   PubMed Web of Science ®Google Scholar
• Hogarth-Scott , RS , Kelly , JD , Whitlock , HV , Ng , BKY , Thompson , HG , James , RE and Mears , FA . 1976 . The anthelmintic efficacy of fenbendazole against thiabendazole-resistant strains of Haemonchus contortus and Trichostrongylus colubriformis in sheep . Research in Veterinary Science , 21 : 232 – 237 .
   PubMed Web of Science ®Google Scholar
• Wyk , JA Van and Gerber , HM . 1980 . A field strain of Haemonchus contortus showing slight resistance to rafoxanide . Onderstepoort Journal of Veterinary Research , 36 : 137 – 142 .
   Google Scholar
• Webb , RF and McCully , CH . 1979 . Resistance of Haemonchus contortus to oxfendazole . Australian Veterinary Journal , 55 : 347 – 348 .
   PubMed Web of Science ®Google Scholar
• Green , PE , Forsyth , BA , Rowan , KJ and Payne , G . 1981 . The isolation of a field strain of Haemonchus contortus in Queensland showing multiple anthelmintic resistance . Australian Veterinary Journal , 57 : 79 – 84 .
   PubMed Web of Science ®Google Scholar
• Sangster , NC , Whitlock , HV , Kelly , JD , Gunawan , M and Hall , CA . 1979 . The effect of single and divided dose administration on the efficacy of fenbendazole against adult stages of benzimidazole resistant sheep trichostrongylids . Research in Veterinary Science , 26 : 85 – 89 .
   PubMed Web of Science ®Google Scholar
• Cawthorne , RJG and Whitehead , JD . 1983 . Isolation of a benzimidazole resistant strain of Ostertagia circumcincla from British sheep . Veterinary Record , 112 : 274 – 277 .
   PubMed Web of Science ®Google Scholar
• Sangster , NC , Kelly , JD , Whitlock , HV , Gunawan , M and Porter , CJ . 1980 . Trichostrongylus colubriformis and Ostertagia sp. resistant to levamisole,, morantel tartrate and thiabendazole: infectivity, pathogemcrty and drug efficacy in two breeds of sheep . Research in Veterinary Science , 29 : 26 – 30 .
   PubMed Web of Science ®Google Scholar
• Hall , CA , Campbell , NJ and Carroll , SN . 1979 . Resistance to thiabendazole in a field population of Ostertagia circumcincta from sheep . Australian Veterinary Journal , 55 : 229 – 231 .
   PubMed Web of Science ®Google Scholar
• Hotson , IK , Campbell , NJ and Smeal , MG . 1970 . Anthelmintic resistance in Trichostrongylus colubriformis . Australian Veterinary Journal , 46 : 356 – 360 .
   PubMed Web of Science ®Google Scholar
• Hennessy , DR , Lacey , E , Prichard , RK and Steel , JW . 1985 . Potentiation of the anthelmintic activity of oxfendazole by parbendazole . Journal of Veterinary Pharmacology and Therapeutics , 8 : 270 – 275 .
   PubMed Web of Science ®Google Scholar
• Hennessy , DR , Lacey , E and Prichard , RK . 1983 . Pharmacokinetic behaviour and anthelmintic efficacy of I-n-butyl carbamoyl oxfendazole given by intramuscular injection . Veterinary Research Communications , 6 : 177 – 187 .
   PubMed Web of Science ®Google Scholar
• Hennessy , DR and Prichard , RK . 1981 . The role of absorbed drug in the efficacy of oxfendazole against gastrointestinal nematodes . Veterinary Research Communications , 5 : 45 – 49 .
   PubMed Web of Science ®Google Scholar
• Sangster , NC , Whitlock , HV , Russ , IG , Gunawan , M , Griffin , DL and Kelly , JD . 1979 . Trichostrongylus colubriformis and Ostertagia circumcincta resistant to levamisole, morantel tartrate and thiabendazole: occurrence of field strains . Research in Veterinary Science , 27 : 106 – 110 .
   PubMed Web of Science ®Google Scholar
• Campbell , NC , Hall , CA , Kelly , JD and Martin , ICA . 1978 . The anthelmintic efficacy of non-benzimidazole anthelmintics against benzimidazole resistant strains of Haemonchus contortus and Trichostrongylus colubriformis in sheep . Australian Veterinary Journal , 54 : 23 – 25 .
   PubMed Web of Science ®Google Scholar
• Hennessy , DR , Steel , JW , Dash , KM , Lisle , KA and Pearson , IG . 1987 . Potentiation by parbendazole of the anthelmintic activity of oxfendazole against natural infections of benzimidazole resistant nematodes . Australian Veterinary Journal , 64 : 28 – 29 .
   PubMed Web of Science ®Google Scholar
• Baker , NF and Fisk , RA . 1977 . Anthelmintic efficiency of oxfendazole in California lambs . American Journal of Veterinary Research , 38 : 1315 – 1316 .
   PubMed Web of Science ®Google Scholar
• Martin , PJ , Anderson , N , Brown , TH and Miller , DW . 1988 . Changes in resistance of Ostertagia spp. to thiabendazole following natural selection or treatment with levamisole . International Journal for Parasitiology , 18 : 333 – 340 .
   PubMed Web of Science ®Google Scholar
• Waller , PJ , Dobson , RJ and Axelsen , A . 1988 . Anthelmintic resistance in the field: changes in resistance status of parasitic populations in response to anthelmintic treatment . Australian Veterinary Journal , 65 : 376 – 379 .
   PubMed Web of Science ®Google Scholar
• Wailer , PJ , Donald , AD , Dobson , RJ , Lacey , E , Hennessy , DR , Allerton , GR and Prichard , RK . 1989 . Changes in anthelmintic status of Haemonthus contortus and Trichostrongylus colubriformis exposed to different anthelmintic selection pressures in grazing sheep . International Journal for Parasitology , 19 : 99 – 110 .
   PubMed Web of Science ®Google Scholar
• Prichard , RK . 1978 . “ Anthelmintics ” . In The Therapeutic Jungle 421 – 463 . Proceedings No 39. Post Graduate Committee of Veterinary Science, University of Sydney
   Google Scholar
• Colglazier , ML , Kates , KC and Enzie , FD . 1974 . Cambendazole-resistant Haemonchus contortus in sheep: further experimental development . Journal of Parasitology , 60 : 289 – 292 .
   PubMed Web of Science ®Google Scholar
• Duwell , D and Kirsch , R . 1982 . “ Investigations on the sensitivity of trichostrongylids after repeated fenbendazole administration ” . In Resistance of Parasites to Anthelmintics, Facts and Reflections IV , Edited by: Borgsteede , FHM , Henriksen , Sv Aa and Over , HJ . 201 – 206 . The Netherlands : Central Veterinary Institute .
   Google Scholar
• Giordano , DJ , Tritschler , JP and Coles , GC . 1988 . Selection of ivermectin-resistant Trichostrongylus colubriformis in lambs . Veterinary Parasitology , 30 : 139 – 148 .
   PubMed Web of Science ®Google Scholar
• McKenna , PB . 1981 . The diagnostic value and interpretation of faecal egg lounts in sheep . New Zealand Veterinary Journal , 29 : 129 – 132 .
   PubMed Web of Science ®Google Scholar
• McKenna , PB . 1989 . Multigeneric resistance to benzimidazole anthelmintics in sheep . New Zealand Veterinary Journal , 37 : 62 – 64 .
   PubMed Web of Science ®Google Scholar
• Anderson , N , Martin , PJ and Jarrett , RG . 1988 . Mixtures of anthelmintics: a strategy against resistance . Australian Veterinary Journal , 65 : 62 – 64 .
   PubMed Web of Science ®Google Scholar
• Anderson , N , Martin , PJ , Jarrett , RG , Brown , TH and Miller , DW . 1988 . Sequential development of resistance to thiabendazole and levamisole in nematodes of sheep . International Journal for Parasitology , 18 : 243 – 249 .
   PubMed Web of Science ®Google Scholar
• West , DM and Probert , AD . 1989 . The rapid appearance of anthelmintic resistance on a sheep farm . New Zealand Veterinary Journal , 37 : 126 – 127 .
   PubMed Web of Science ®Google Scholar