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Parasites are one of the key contributors to reduced productivity in animals, so having a treatment strategy for effective parasite control is vital.

Drench resistant worms are a significant cost to New Zealand farms, averaging between $20 to $35* per lamb due to reduced growth rates.123

A good parasite management programme requires a number of approaches to manage parasites effectively. Read on to see how your programme measures up.

The cost of drench resistance is significant.
What could it be costing you?

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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.
  • *$7.49 per kilo, five year weighted average lamb farm-gate price. Beef & Lamb New Zealand New Season Outlook 2023-24. October 2023.
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