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What could drench resistance be costing you?

Studies have shown drench resistance can cause a reduction in average lamb carcase weights of between 2.8kg - 4.7kg1,2,3. At $7.49 per kilo*, this could cost between $20.00 - $35.00 per lamb.

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How many lambs do you have?

Price per kilo of your lambs?

You can choose the five year weighted average lamb farm-gate price here, or change to your current farm gate price.

$

As a result of ineffective drenching of lambs on your farm at $ per kilo, you could be losing between $ and $*

*Based on average lamb carcase weights of between 2.8kg - 4.7kg.

Change starts with knowing what you are dealing with

Answer the following questions to see if you could change your parasite management for the better. NB: The answers given here are aligned with Wormwise.co.nz, NZs leading source of Parasite Management advice.These answers are general guidance only and not a substitute for veterinary advice. Please speak to your vet for further information specific to your farm.

References:

  • 1Sutherland, I.A., Shaw, J., Shaw, R.J., The production costs of anthelmintic resistance in sheep managed within a monthly preventive drench program. Veterinary Parasitology 2010.
  • 2Sainsbury’s FECPAK project 2014-2017.
  • 3Miller, C.M., Waghorn, T.S., Leathwick, D.M., Candy, P.M., Oliver, A-M.B., Watson, T.G. Lamb productivity responses and benefits to monthly STARTECT treatment of grazing lambs exposed to mixed anthelmintic-resistant nematode parasite pasture challenge. Veterinary Parasitology 2012.
  • *Five year weighted average lamb farm-gate price. Beef & Lamb New Zealand New Season Outlook 2023-24. October 2023.
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