EnduraBol® Sheep + Copper

Gold standard bolus technology, providing up to 180 days (6 months) supplementation of 6 key trace elements and 3 vital vitamins

Available to purchase through agricultural merchants and vet practices. Each pack of 40 allows for treatment of 40 sheep in one quick and efficient application, using a specific bolusing gun, which is also available to buy and retail.

icon Single Construction
icon Single point erosion
icon Active for up to 180 days
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Ideal For

  • iconRams and Ewes Pre-Tupping
  • iconEwes Pre-lambing
  • iconFlock replacements

A standard two bolus application provides the following quantities per day for up to 6 months:

Trace Elements Daily Supply (avg.)


1.10 mg


0.60 mg


18.00 mg


15.80 mg


4.20 mg


24.70 mg

Vitamins Daily Supply (avg.)


Vitamin E
3.9 iu


Vitamin A
1900 iu


Vitamin D3
378 iu

How to Administer a Bolus

General Guidance

  • Each ewe gets 1 bolus and 1 Microbullet™.
  • The Microbullet™ reduces the risk of calcification.
  • After the lifetime of the bolus the Microbullet™ breaks down

Application Instructions

Load Applicator

  • First insert the micro-bullet into the chamber.
  • Then insert the bolus – flat end first into the chamber.
  • Ensure both the micro-bullet and bolus are securely held in the applicator chamber.

Inserting the applicator

  • Place the bolus end of the applicator into the centre of the sheep’s mouth, to the back of the tongue.
  • Ensure the sheep’s head and neck are extended in a straight line.


  • Severe pressure on the tongue.
  • Using force damaging teeth or any soft tissue.

Bolus Release

  • Ensure the bolus gun is fully inserted into the throat of the ewe.
    A guide is that the tip of the ewes nose should be touching the butt of
    the handle. DO NOT withdraw the gun when squeezing the trigger..
  • Gently squeeze the trigger, releasing the bolus.
    and Microbullet over the back of the tongue..
  • Count to 2 before withdrawing the applicator from the ewe.
    The mouth remaining open will encourage a swallowing reflex
    and avoid regurgitation.
  • Carefully remove the applicator, maintaining its central
    position in the mouth..

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