Lambs less than 7 days of age can be marked with Numnuts.

Currently in the UK legislation requires lambs to be less than 7 days of age when castrated with a constricting rubber ring in the absence of local anaesthetic. The legislation limits the use of rings to the first week of a lamb’s life. Before Numnuts was invented, there was no practical method for the UK farmer to administer local anaesthetic safely and effectively, when castrating and tail docking lambs with rubber rings. We are currently working with the UK Legislators to confirm that lambs can be marked after 7 days of age when Numnuts is used.

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