Drenching adult ewes: Implications of anthelmintic treatments pre- and post-lambing on the development of anthelmintic resistance

New Zealand Veterinary Journal

Volumn 54, Issue 6, 2006, Pages 297-304

  Leathwick, D M ^a   Miller, C M ^a   Atkinson, D S ^a   Haack, N A ^a   Alexander, R A ^b   Oliver, A M ^a   Waghorn, T S ^a   Potter, J F ^a   Sutherland, I A ^a  

^a AGRESEARCH GRASSLANDS   (New Zealand)

^b MASSEY UNIVERSITY   (New Zealand)

Author keywords

Anthelmintic resistance; Capsule; Ostertagia; Parasites; Sheep; Teladorsagia; Trichostrongylus

Indexed keywords

ALBENDAZOLE; ANTHELMINTIC AGENT; ANTINEMATODAL AGENT;

ANIMAL; ANIMAL DISEASE; ANIMAL HUSBANDRY; ARTICLE; DISEASE TRANSMISSION; DRUG EFFECT; DRUG RESISTANCE; DRUG SENSITIVITY; FECES; FEMALE; GENETIC SELECTION; GENETICS; METHODOLOGY; NEMATODE; NEMATODIASIS; NEW ZEALAND; PARASITE IDENTIFICATION; PARASITOLOGY; PREGNANCY; RANDOMIZATION; SHEEP; SHEEP DISEASE;

ALBENDAZOLE; ANIMAL HUSBANDRY; ANIMALS; ANTHELMINTICS; ANTINEMATODAL AGENTS; DRUG RESISTANCE; FECES; FEMALE; NEMATODA; NEMATODE INFECTIONS; NEW ZEALAND; PARASITE EGG COUNT; PARASITIC SENSITIVITY TESTS; PREGNANCY; RANDOM ALLOCATION; SELECTION (GENETICS); SHEEP; SHEEP DISEASES;

OSTERTAGIA; OVIS; OVIS ARIES; TELADORSAGIA; TELADORSAGIA CIRCUMCINCTA; TRICHOSTRONGYLUS; TRICHOSTRONGYLUS COLUBRIFORMIS;

EID: 33846060668     PISSN: 00480169     EISSN: 11760710     Source Type: Journal    
DOI: 10.1080/00480169.2006.36714     Document Type: Article

References (31)

1. Barger IA. Anthelmintic resistance and controlled-release capsules. Proceedings of the 23rd Annual Seminar of the Society of Sheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association. Pp 129–36, 1993
2. Barger IA. Long-acting and controlled-release anthelmintics. In: Barrell GK (ed). Sustainable Control of Internal Parasites in Ruminants — an Animal Industries Workshop. Pp 141–8. Animal and Veterinary Science Group, Lincoln University, Lincoln, NZ, 1997a
3. Barger IA. Models as a guide to sustainable worm control. In: Barrell GK (ed). Sustainable Control of Internal Parasites in Ruminants — an Animal Industries Workshop. Pp 203–13. Animal and Veterinary Science Group, Lincoln University, Lincoln, NZ, 1997b
4. Barnes EH, Dobson RJ, Barger IA. Worm control and anthelmintic resistance: Adventures with a model. Parasitology Today 11, 56–63, 1995
5. Besier RB. Re-thinking the summer drenching program. Journal of Agriculture of Western Australia 42, 6–9, 2001
6. Bisset SA, Morris CA. Feasibility and implications of breeding sheep for resilience to nematode challenge. International Journal for Parasitology 26, 857–68, 1996
7. Brunsdon RV, Adam JL. Internal Parasites and Animal Production. New Zealand Society of Animal Production, Occasional Publication No. 4. P53, 1975
8. Brunsdon RV, Kissling R, Hosking BC. A survey of anthelmintic usage for sheep: a time for change? New Zealand Veterinary Journal 31, 24–9, 1983
9. Dash KM, Newman RL, Hall E. Recommendations to minimise selection for anthelmintic resistance in nematode control programmes. In: Anderson N, Waller PJ (eds). Resistance in Nematodes to Anthelmintic Drugs. Pp 161–9. CSIRO, Australia, 1985
10. Dobson RJ, Le Jambre LF, Gill JH. Management of anthelmintic resistance: Inheritance of resistance and selection with persistent drugs. International Journal for Parasitology 26, 993–1000, 1996
11. Familton AS. Re-examination of gastrointestinal parasite control-the contribution of the ewe. Proceedings of the 21st Annual Seminar of the Society ofSheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association. Pp 25–35, 1991
12. Familton AS. Controlling parasites-a system to maximise production in sheep by giving a controlled-release capsule to ewes. Meat New Zealand R&D Brief 16, 1–2, 1998
13. Gill JH, Redwin JM, van Wyk JA, Lacey E. Avermectin inhibition of larval development in Haemonchus contortus-effects of ivermectin resistance. International Journal for Parasitology 25, 463–70, 1995
14. Gogolewski RP, Rugg D, Allerton GR, Kawhia D, Barrick RA, Eagleson JS. Demonstration of the sustained anthelmintic activity of a controlled-release capsule formulation of ivermectin in ewes under field conditions in New Zealand. New Zealand Veterinary Journal 45, 163–6, 1997
15. Kaplan RM. Drug resistance in nematodes of veterinary importance: a status report. Trends in Parasitology 20, 477–81, 2004
16. Lawrence KE, Rhodes AP, Jackson R, Leathwick DM, Heuer C, Pomroy WE, West DM, Waghorn TS, Moffat JR. Farm management practices associated with macrocyclic lactone resistance on sheep farms in New Zealand. New Zealand Veterinary Journal 54, 283–8, 2006
17. Leathwick DM, Sutherland IA. Heads or tails — which drench do I choose? Proceedings of the 32nd Annual Seminar of the Society of Sheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association. Pp 115–27, 2002
18. Leathwick DM, Barlow ND, Vlassoff A. A model for nematodiasis in New Zealand lambs: the effect of drenching regime and grazing management on the development of anthelmintic resistance. International Journal for Parasitology 25, 1479–90, 1995
19. Leathwick DM, Sutherland IA, Vlassoff A. Persistent drugs and anthelmintic resistance — Part II. New Zealand Journal of Zoology 24, 298–9, 1997
20. Leathwick DM, Miller CM, Brown AE, Sutherland IA. The establishment rate of Ostertagia circumcincta and Trichostrongylus colubriformis in lactating Romney ewes. International Journal for Parasitology 29, 315–20, 1999
21. Leathwick DM, Pomroy WE, Heath ACG. Anthelmintic resistance in New Zealand. New Zealand Veterinary Journal 49, 227–35, 2001
22. Leathwick DM, Waghorn TS, Miller CM, Atkinson DS, Haack NA, Oliver A-M. Selective and on-demand drenching of lambs: Impact on parasite populations and performance of lambs. New Zealand Veterinary Journal 54, 305–12, 2006
23. Le Jambre LF, Dobson RJ, Lenane IJ, Barnes EH. Selection for anthelmintic resistance by macrocyclic lactones in Haemonchus contortus. International Journal for Parasitology 29, 1101–11, 1999
24. Martin PJ. Development and control of resistance to anthelmintics. International Journal for Parasitology 17, 493–501, 1987
25. Martin PJ, Le Jambre LF, Claxton JH. The impact of refugia on the development of thiabendazole resistance in Haemonchus contortus. International Journal for Parasitology 11, 35–41, 1981
26. Michel JF. Strategies for the use of anthelmintics in livestock and their implications for the development of drug resistance. Parasitology 90, 621–8, 1985
27. Rowell JG, Walters DE. Analysing data with repeated observations on each experimental unit. Journal of Agricultural Science 87, 423–32, 1976
28. Smith G, Grenfell BT, Isham V, Cornell S. Anthelmintic resistance revisited: underdosing, chemoprophylactic strategies, and mating probabilities. International Journal for Parasitology 29, 77–91, 1999
29. Van Wyk JA. Refugia — overlooked as perhaps the most potent factor concerning the development of anthelmintic resistance. Onderstepoort Journal ofVeterinary Research 68, 55–67, 2001
30. Waghorn TS, Leathwick DM, Rhodes AP, Lawrence KE, Jackson R, Pomroy WE, West DM, Moffat JR. Prevalence of anthelmintic resistance on sheep farms in New Zealand. New Zealand Veterinary Journal 54, 271–7, 2006a
31. Waghorn TS, Leathwick DM, Rhodes AP, Jackson R, Pomroy WE, West DM, Moffat JR. Prevalence of anthelmintic resistance on 62 beef cattle farms in the North Island of New Zealand. New Zealand Veterinary Journal 54, 278–82, 2006b