EnduraBol High Iodine
EnduraBol High Iodine is a sustained release bolus containing six trace elements and three vitamins. Endurabol High Iodine is designed for grazing or forage fed cattle, helping farmers manage the trace element status of their herd. With higher levels of trace elements and vitamins EnduraBol High Iodine is designed to support the needs of breeding cattle and cattle with high daily live weight gains, or where there is a known imbalance of trace elements within the feed. Helping to maintain optimal herd health and production.


Nutritional Content
A standard two bolus application provides the following quantities per day for up to 6 months:
- 175.10 mg Copper
- 2.60 mg Cobalt
- 19.20 mg Iodine
- 90.70 mg Manganese
- 2.70 mg Selenium
- 147.00 mg Zinc
- 5,996 iu Vitamin A
- 1,199 iu Vitamin D3
- 15.00 iu Vitamin E
Our Bolus Technology
Anchors dual boluses inside the reticulum of the animal
Our single entity, rigid skin bolus ensures single end erosion. This prevents inconsistent breakdown, providing a consistent supply of nutrients for up to 6 months

Collide within the reticulum, initiating bolus breakdown and release of nutrients
Breaks down from the exposed end, giving a sustained release of trace elements and vitamins
Switch to Rumbol Endurabol Today
Administration Instructions
General Guidance
- Administer 2 boluses per animal over 150kg live weight
- Active life of up to 6 months
- Always use a Rumbol Products Ltd approved applicator
Loading Applicator
- Insert the flat end of the boluses into the chamber first
- Ensure both the boluses are securely held in the chamber of the applicator
Inserting Applicator
-
- Place the bolus end of the applicator into the centre of the cow’s mouth, to the back of the tongue
- Ensure the cow’s head and neck are extended in a straight line
- Avoid:
- Severe pressure on the tongue
- Using force damaging teeth or any soft tissue
Bolus Release
- Gently squeeze the trigger, releasing the boluses over the back of the tongue
- Once the boluses have been ejected, further progress will depend on the swallowing reflex of the animal, the animal should easily be able to swallow the boluses
- Avoid using force which can cause damage to soft tissue
- Carefully remove the applicator, maintaining its central position in the mouth