MSD Panacur Bolus

Panacur Bolus

from £13.47 ex VATfrom £16.16 inc VAT


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Product Description

For the treatment and prophylactic control of all economically important gastrointestinal roundworm infections in cattle weighing between 100 and 300 kg at the time of administration.

Also as an aid in control of parasitic bronchitis (lungworm infection).

The Panacur Bolus is designed to release fenbendazole continuously in the reticulo-rumen of cattle for up to 140 days (20 weeks).

When administered later in the season, the intraruminal device treats established parasitic infections and continues to control parasitic gastroenteritis up to 140 days after administration.This period may be reduced if cattle are moved to heavily infected pasture.


The Panacur Bolus aids in the control of parasitic bronchitis caused by the lungworm Dictyocaulus viviparus.  






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Dosage & Administration

  • One intraruminal device to be administered orally to each animal before being turned out to grass.
  • Alternatively, animals which have already been turned out can be administered an intraruminal device later in the grazing season.
  • All animals within a group grazing the same pasture must be treated with a Panacur Bolus to ensure maximum benefits from the system.
  • All newcomers to the group must also be administered a Panacur Bolus before being turned out to grass.
  •  Administration is achieved using the Panacur Bolus Applicator which helps to administer the intraruminal device directly into the top of the oesophagus.
  • Insert an intraruminal device into the applicator.
  • Restrain the animal and extend the head forward, keeping the neck straight.
  • Insert the applicator into the front of the mouth and firmly but gently push it over the back of the tongue.
  • Keeping the neck straight, tilt the head upwards and the animal will begin to swallow the end of the applicator - indicated by easier passage of the applicator down the throat.
  • The intraruminal device can then be ejected into the oesophagus by squeezing the release trigger on the applicator.
  • Do not use force when administering the intraruminal device.
  • Observe the animal for a short time to ensure the intraruminal device has been swallowed.
  • As the metal of the intraruminal device can be detected, the correct position of the intraruminal device can be checked by a suitable metal detector.


  • Animals must not be slaughtered for human consumption during treatment.
  • Cattle may be slaughtered for human consumption only after 200 days from administration of the intraruminal device.
  • Not for use in cattle producing milk for human consumption or to dairy heifers within 200 days of parturition.


Data Sheet

To know more about this product please click on the link below...

Panacur Bolus


Delivery & Returns

Please check information about deliveries covering the Christmas and New Year period to ensure you have the medicines you need to cover you. 




Non-refrigerated items

By 6pm


Refrigerated items

By 12am

£0 - £149.99



£150 - £299.99



£300 - £449.99



£450 or more




Please note there is a small excess for despatch to Highlands and Islands and Isle of Wight as governed by your postcode.

  1. To keep our prices as low as possible, we do not hold stock of most products. We order stock from our wholesaler at 4.30 each day, so any orders received after this time will not be ordered until the following day. 
  2. Orders placed on a Thursday or Friday that have refrigerated items included will not be dispatched until the following Monday to ensure that the items are delivered to you under controlled conditions. This means that you should receive these items on a Tuesday by 10am.
  3. We do not offer a Saturday or Sunday delivery service.
  4. Standard and Priority costs apply to the UK mainland only.
  5. Delivery to Scottish Highlands and Islands and Isle of Wight may incur an excess to cover additional carriage costs - this is dependent on your postcode. Full details can be found by clicking the link below.
  6. Customers who arrange to collect from Warnham should not arrive before 12pm.
  7. We are no longer able to ship to Northern Ireland due to extra administrative costs since January 2021. Any orders placed online will be cancelled and refunded.

For full delivery details click here 


Faulty Goods Returns

In the unlikely event that you receive faulty or damaged goods please call 01306 628215 within 72 hours of receipt of your goods. Please have your order reference to hand. You will be asked to provide evidence of the damaged goods if damaged in transit.

Restricted Goods Returns

We are unable to offer refunds on the following products.

  • Animal medicines - general & vaccines
  • Refrigerated/temperature sensitive products

Please contact the Farmacy Team before sending any returns on 01306 628215.

For full returns details click here

Product Species

  • Cattle - Beef
  • Cattle - Dairy
Home Delivery

UK mainland delivery from £8.00

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