Free delivery on Irish orders over €199 · Click & Collect in Midleton

Christmas gift cards now available · Buy now

Norbrook  |  SKU: CF798452589

Opti Mag Bolus

Regular price €80.00

No VAT

Shipping calculated at checkout.

Opti Mag Bolus is available to order. Contact us for current lead times.


Pickup available at Ireland

Usually ready in 24 hours

  • Free delivery on Irish orders over €199
  • Click & Collect in Midleton
  • Tracked delivery to Ireland & the UK

Most orders ship within 1–5 working days, depending on volume. Special-order items can take longer, and we'll email you a date.

At a glance

These magnesium bullets are targeted at preventing hypomagnesaemia (grass tetany) in dairy cattle. They should be administered before the major risk periods of grass tetany. These risk periods include after calving when cows are grazing lush early spring…

  • Authorised stockistGenuine stock, full warranty
  • Tried and tested on farmWe use what we sell, every day
  • Advice from farmersTalk to the CFS team before you buy

Description

These magnesium bullets are targeted at preventing hypomagnesaemia (grass tetany) in dairy cattle. They should be administered before the major risk periods of grass tetany. These risk periods include after calving when cows are grazing lush early spring grass. Use a suitable dosing gun to put 2 boluses into the back of the mouth at the same time. Take care during administration to avoid injury to the mouth and pharynx. Always ensure the animal swallows the boluses. Only to be given to cattle at least 300kg bodyweight.

  • Contains magnesium for the prevention and treatment of cases of grass tetany
  • Suitable for use with cattle and sheep
  • Oral administration through specifically designed bulleting gun

These magnesium bullets are targeted at preventing hypomagnesaemia (grass tetany) in dairy cattle. They should be administered before the major risk periods of grass tetany. These risk periods include after calving when cows are grazing lush early spring grass. Use a suitable dosing gun to put 2 boluses into the back of the mouth at the same time. Take care during administration to avoid injury to the mouth and pharynx. Always ensure the animal swallows the boluses. Only to be given to cattle at least 300kg bodyweight.



  • Contains magnesium for the prevention and treatment of cases of grass tetany

  • Suitable for use with cattle and sheep

  • Oral administration through specifically designed bulleting gun

Delivery & returns

Free delivery on Irish orders over €199. Click & Collect from our Midleton store, usually ready within 24 hours for in-stock items. Tracked delivery to Ireland and the UK.

Dispatch times. Most orders ship within 1–5 working days. We stock over 15,000 lines and can't keep everything on the shelf, so special-order items can take longer. If yours will, we'll email you with an expected date.

Returns. 14 days to tell us. Unused, tags on, in its own packaging, sent back inside a separate outer parcel at your cost; damaged packaging or a used item means a reduced refund. Trade accounts: restocking fee, no returns with damaged packaging. Faulty or wrong items are on us. Start a return.

Need product advice?

Not sure it's the right fit for the job? Contact the CFS team or email sales@countryfarmsupplies.com. Bulk orders welcome — request a quote.

Reviews (0)