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New Zealand Veterinary Journal Volume 54, 2006 - Issue 6
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Scientific Article

Prevalence of anthelmintic resistance on sheep farms in New Zealand

TS Waghorn AgResearch Grasslands Research Centre, Private Bag 11008, Palmerston North, New Zealand
,
DM Leathwick AgResearch Grasslands Research Centre, Private Bag 11008, Palmerston North, New Zealand
,
AP Rhodes PGG Wrightson Ltd, PO Box 42, Dannevirke, New Zealand
,
KE Lawrence Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand
,
R Jackson Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand
,
WE Pomroy Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand
,
DM West Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand
&
JR Moffat Schering-Plough Animal Health, Private Bag 908, Upper Hutt, New Zealand
 show all
Pages 271-277 | Received 25 Jul 2006, Accepted 10 Oct 2006, Published online: 18 Feb 2011

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CH McKay, KE Baker, KJ VanHoff, C Smith & SD George. (2024) Concurrent use of two dual-combination drenches containing monepantel/abamectin and oxfendazole/levamisole in sheep: effect on marker residues 21 and 28 days after administration. New Zealand Veterinary Journal 72:3, pages 133-140.
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C Bingham, A Hodge & B Mariadass. (2017) Comparison of two long acting pre-lambing anthelmintic treatments on the productivity of ewes in low body condition. New Zealand Veterinary Journal 65:3, pages 152-155.
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AMB Oliver, WE Pomroy & DM Leathwick. (2016) Benzimidazole resistance in Nematodirus spathiger and N. filicollis in New Zealand. New Zealand Veterinary Journal 64:4, pages 201-206.
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L Wilson, AP Rhodes & G Dodunski. (2015) Parasite management extension – challenging traditional practice through adoption of a systems approach. New Zealand Veterinary Journal 63:6, pages 292-300.
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AW Greer, RA Corner-Thomas, CM Logan, PR Kenyon, ST Morris, AL Ridler, RE Hickson & HT Blair. (2015) Perceived importance of areas of future research: results from a survey of sheep farmers. New Zealand Journal of Agricultural Research 58:4, pages 359-370.
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CM Miller, S Ganesh, CB Garland & DM Leathwick. (2015) Production benefits from pre- and post-lambing anthelmintic treatment of ewes on commercial farms in the southern North Island of New Zealand. New Zealand Veterinary Journal 63:4, pages 211-219.
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TS Waghorn, JS Knight & DM Leathwick. (2014) The distribution and anthelmintic resistance status of Trichostrongylus colubriformis, T. vitrinus and T. axei in lambs in New Zealand. New Zealand Veterinary Journal 62:3, pages 152-159.
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PB McKenna. (2010) Has the optimum time for faecal nematode egg count reduction testing in sheep in New Zealand changed?. New Zealand Veterinary Journal 58:6, pages 312-314.
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PB McKenna. (2010) Update on the prevalence of anthelmintic resistance in gastrointestinal nematodes of sheep in New Zealand. New Zealand Veterinary Journal 58:3, pages 172-173.
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PR Little, A Hodge, TG Watson, JA Seed & SJ Maeder. (2010) Field efficacy and safety of an oral formulation of the novel combination anthelmintic, derquantel-abamectin, in sheep in New Zealand. New Zealand Veterinary Journal 58:3, pages 121-129.
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TS Waghorn, A-MB Oliver, CM Miller & DM Leathwick. (2010) Acquired immunity to endoparasites in sheep interacts with anthelmintic treatment to infl uence selection for anthelmintic resistance. New Zealand Veterinary Journal 58:2, pages 98-102.
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A-MB Oliver, DM Leathwick, TS Waghorn, CM Miller & DS Atkinson. (2009) Carbendazim, at concentrations used on pasture for facial eczema control, reduces development of Trichostrongylus colubriformis when sprayed onto infected sheep faeces. New Zealand Veterinary Journal 57:6, pages 383-387.
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TS Waghorn, CM Miller, A-MB Oliver & DM Leathwick. (2009) Drench-and-shift is a high-risk practice in the absence of refugia. New Zealand Veterinary Journal 57:6, pages 359-363.
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DM Leathwick & BC Hosking. (2009) Managing anthelmintic resistance: Modelling strategic use of a new anthelmintic class to slow the development of resistance to existing classes. New Zealand Veterinary Journal 57:4, pages 203-207.
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N Malikides, K Spencer, R Mahoney, K Baker, K Vanhoff, C Hall, R Debenedetti & GA Strehlau. (2009) Safety of an amino-acetonitrile derivative (AAD), monepantel, in ewes and their offspring following repeated oral administration. New Zealand Veterinary Journal 57:4, pages 193-202.
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DM Leathwick, BC Hosking, SA Bisset & CH McKay. (2009) Managing anthelmintic resistance: Is it feasible in New Zealand to delay the emergence of resistance to a new anthelmintic class?. New Zealand Veterinary Journal 57:4, pages 181-192.
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PC Mason, BC Hosking, RM Nottingham, DJW Cole, W Seewald, CH McKay, TM Griffiths, BG Kaye-Smith & B Chamberlain. (2009) A large-scale clinical field study to evaluate the efficacy and safety of an oral formulation of the amino-acetonitrile derivative (AAD), monepantel, in sheep in New Zealand. New Zealand Veterinary Journal 57:1, pages 3-9.
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Brown Besier. (2009) A novel anthelmintic group: Welcome relief for sheep farmers. New Zealand Veterinary Journal 57:1, pages 1-2.
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DM Leathwick, CM Miller, DS Atkinson, NA Haack, TS Waghorn & A-M Oliver. (2008) Managing anthelmintic resistance: Untreated adult ewes as a source of unselected parasites, and their role in reducing parasite populations. New Zealand Veterinary Journal 56:4, pages 184-195.
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TS Waghorn, DM Leathwick, CM Miller & DS Atkinson. (2008) Brave or gullible: Testing the concept that leaving susceptible parasites in refugia will slow the development of anthelmintic resistance. New Zealand Veterinary Journal 56:4, pages 158-163.
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IA Sutherland, A Damsteegt, CM Miller & DM Leathwick. (2008) Multiple species of nematodes resistant to ivermectin and a benzimidazole-levamisole combination on a sheep farm in New Zealand. New Zealand Veterinary Journal 56:2, pages 67-70.
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PB McKenna. (2008) An examination of the relative reliability of laboratory case submissions in determining the prevalence of anthelmintic resistance in sheep nematodes in New Zealand, and the possible influence of test analysis methodology on such data. New Zealand Veterinary Journal 56:2, pages 55-59.
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KE Lawrence, DM Leathwick, AP Rhodes, R Jackson, C Heuer, WE Pomroy, DM West, TS Waghorn & JR Moffat. (2007) Management of gastrointestinal nematode parasites on sheep farms in New Zealand. New Zealand Veterinary Journal 55:5, pages 228-234.
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PL Hughes, AF Dowling & APL Callinan. (2007) Resistance to macrocyclic lactone anthelmintics and associated risk factors on sheep farms in the lower North Island of New Zealand. New Zealand Veterinary Journal 55:4, pages 177-183.
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F Castillo-Alcala, PR Wilson, WE Pomroy & SO Hoskin. (2007) A survey of anthelmintic use and internal parasite control in farmed deer in New Zealand. New Zealand Veterinary Journal 55:2, pages 87-93.
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CM Miller, TS Waghorn, DM Leathwick & ML Gilmour. (2006) How repeatable is a faecal egg count reduction test?. New Zealand Veterinary Journal 54:6, pages 323-328.
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PC Mason & CH McKay. (2006) Field studies investigating anthelmintic resistance in young cattle on five farms in New Zealand. New Zealand Veterinary Journal 54:6, pages 318-322.
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DM Leathwick, TS Waghorn, CM Miller, DS Atkinson, NA Haack & A-M Oliver. (2006) Selective and on-demand drenching of lambs: Impact on parasite populations and performance of lambs. New Zealand Veterinary Journal 54:6, pages 305-312.
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DM Leathwick, CM Miller, DS Atkinson, NA Haack, RA Alexander, A-M Oliver, TS Waghorn, JF Potter & IA Sutherland. (2006) Drenching adult ewes: Implications of anthelmintic treatments pre- and post-lambing on the development of anthelmintic resistance. New Zealand Veterinary Journal 54:6, pages 297-304.
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R Jackson, AP Rhodes, WE Pomroy, DM Leathwick, DM West, TS Waghorn & JR Moffat. (2006) Anthelmintic resistance and management of nematode parasites on beef cattle-rearing farms in the North Island of New Zealand. New Zealand Veterinary Journal 54:6, pages 289-296.
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KE Lawrence, AP Rhodes, R Jackson, DM Leathwick, C Heuer, WE Pomroy, DM West, TS Waghorn & JR Moffat. (2006) Farm management practices associated with macrocyclic lactone resistance on sheep farms in New Zealand. New Zealand Veterinary Journal 54:6, pages 283-288.
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WE Pomroy. (2006) Anthelmintic resistance in New Zealand: A perspective on recent findings and options for the future. New Zealand Veterinary Journal 54:6, pages 265-270.
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