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Targeted Pain Relief for Lamb Castration & Tail Docking

Numnuts® blocks the acute pain that follows tail docking and castration of lambs with rubber rings. Numnuts is a 2-in-1 device that administers an Elastrator® ring along with a pre-calibrated dose of local anaesthetic. Easy, fast and safe, it provides fast-acting targeted pain relief for castration and tail docking of lambs. Recommended for lambs aged 4 – 12 weeks.

Numnuts is entirely unique – no other device exists that allows farmers to provide targeted pain relief to lambs during tail docking & castration.

Give your lambs the best start in life

Worldwide, more than 100 million lambs are castrated and tail docked each year without pain relief. Numnuts’ patented technology is a practical, farmer-friendly method for alleviating the pain suffered when lambs go through these husbandry procedures. 

Pain relief is injected at the same time as ring application to the tail or testes, providing targeted pain relief that kicks in almost immediately.

Numnuts is a Scottish-designed and developed product that has been used reliably by thousands of pioneering sheep farmers and vets, administering over 3 million doses in Australia and New Zealand. Developed with Moredun Research Institute, and validated by international animal health and welfare research organisations, Numnuts provides lambs with the best start in life and helps sheep farmers achieve industry best practice by adopting an ethical, sustainable approach to castration and de-tailing.

Awards

Why Choose Numnuts

Numnuts  accurately injects a 1.5ml dose where the local anaesthetic will be most effective in alleviating pain for up to 60 minutes after injection. This innovative method minimises the pain and distress typically associated with traditional rubber ringing procedures. 

  •  Easy to use & safe: robust, blood-free and needle-safe, the device allows for easy priming, accurate dosing (1.5ml for each ring) and simple needle changeover. Dual Stage Injector technology prevents accidental injections.
  • Increases productivity: quick application ensures efficient workflow and supports improved productivity after lambs are marked, reducing labour time/cost.
  • Proven & approved: legal to use on lambs up to 3 months of age (in Scotland). Validated in Scotland and in Australia. 
  • Meets welfare standards: the addition of local anaesthetic ensures compliance with current and future legislation. 
  • Cost-effective: an affordable, scalable solution suitable for flocks of all sizes.
  • No weighing or weight estimation required: one dose amount for all lamb sizes, for both tail & testes
  • Trusted by farmers: users report significant reductions in lamb stress and discomfort. The modular design allows for parts to be changed to maintain good hygiene and efficient function. The latex rings are a natural product, biodegrade quickly and leave no impact on the environment.  

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