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Butox Swish Cattle Pour On

Butox Swish Cattle Pour On
4 x 2.5 litre & 2 x 1 litre Bottles
Applicator Gun

Images are for illustration purposes only. Packaging may change from time to time and images on our website may or may not be updated.

  • 4 x 2.5 litre & 2 x 1 litre Bottles £736.99
  • 250ml Bottle £19.49
  • 1 litre Bottle £64.99
  • 2.5 litre Bottle £170.99
  • Applicator Gun £39.49

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£19.49 to £736.99


A truly cost effective way to control the menace of flies and lice over a season. One pour on application protects a cow for 8-10 weeks. Two treatments last a whole season. Nil milk withdrawal. 20 days meat withdrawal. Active ingredient: Deltamethrin. POM-VPS.

Below is the product datasheet. This has been provided by the manufacturer and should always be provided with the medication.


Company name: MSD Animal Health
Address: Walton Manor
Milton Keynes
Telephone: 01908 685685 (Customer Support Centre)
Fax: 01908 685555
Email: [email protected]


Pour on suspension. Each 100 ml contains 0.75 g of deltamethrin.


Control of biting and nuisance flies of cattle, including Haematobia irritans, Hippobosca equina, Stomoxys calcitrans, Musca autumnalis and Musca domestica.
Control of biting and sucking lice of cattle, including Damalinia bovis, Haematopinus eurysternus and Linognathus vituli.

Dosage and administration

For external use only.
Pour on the product along the backline of the animals, from the head to the tail, at the following recommended dose rates:

Indications Dose rate
Control of biting and nuisance flies up to 100 kg: 10 ml
100 - 300 kg: 20 ml
over 300 kg: 30 ml
Control of biting and sucking lice 10 ml per animal irrespective of weight

Flies: a single application provides protection against flies for 8 to 10 weeks depending on the infestation degree, fly species and weather conditions. Treatment should be repeated within 8 – 10 weeks.
Lice: a single application provides protection against lice for 8 to 10 weeks. All in-contact animals must be treated at the same time. A single application is sufficient against lice.

Contra-indications, warnings, etc

Some organo-phosphorous insecticides can reduce metabolism rate and thus enhance deltamethrin toxicity. Therefore, avoid the use of such organo-phosphorous insecticides (consult the supplier). No restrictions apply for use during pregnancy and lactation. Overdose of twice the level of recommended treatments does not include any adverse effects.
Withdrawal periods
Edible tissues – 20 days
Milk – zero hours
Operator warnings
Do not eat, drink or smoke while using the product.
Wash hands and exposed skin before meals and after work.
In case of contact with eyes and skin, wash immediately with water.
In the event of accidental ingestion, seek medical advice immediately.
Wear protective gloves when applying the product or handling recently treated animals.
If clothing becomes heavily contaminated remove and wash before re-use.
This product contains deltamethrin which may produce tingling, itchiness, and blotchy redness on exposed skin. If you feel unwell after working with this product consult your doctor and show this data sheet. Tell your doctor you have been using Butox Swish which contains deltamethrin.
Information for doctors: Advice on clinical management is available from the National Poisons Information Service.
For animal treatment only. Keep out of the reach and sight of children.

Pharmaceutical precautions

Protect from direct sunlight. Keep away from food, drink and animal feeding stuffs. Keep container in outer carton.
Dangerous to fish and other aquatic life. Do not contaminate ponds, waterways or ditches with the product or empty containers.
Dispose of any unused product and empty containers in accordance with guidance from your local waste regulation authority.

Legal category


Packaging Quantities

250 ml and 1 L high-density polyethylene translucent dosing flask, closed by two low density polyethylene screw caps fitted internally with a compressible wad. (“squeeze and pour" bottle).
2.5 L portable polyethylene bottle closed with a polypropylene stopper fitted with a heat-sealable aluminium-polyethylene seal (for use with an applicator gun).
Not all pack sizes may be marketed.

Further information


Marketing authorisation number

Vm 01708/4495.

Need help or advice? Contact us:

  • Landline: 01582 842096
  • Mon - Fri: 8:30am - 5:00pm
  • Sat: 9:00am - 1:00pm (Collections only)
  • Email: [email protected]

All prices include VAT where applicable.

Delivery Information

How quickly do you deliver?

Under almost all products on our website is an Estimated dispatch time, check this for a delivery prediction specific to the item you are looking to purchase. These badges are updated live based on the stock levels we have and also those of our suppliers - so are usually very accurate, but cannot be guaranteed. In more general terms, we aim to dispatch all orders within 1 working day of receiving payment (and a prescription if required). If we cannot do so within 3 working days we will contact you by email.

What do you charge for delivery?

For UK delivery, we charge the following:

Order Total Weight Delivery
£0-£28.99 Under 2kg £2.99
2kg+ £4.99
£29-£38.99 Under 2kg Free
2kg+ £4.99
£39+ Under 2kg Free
2kg+ Free

Prices quoted are for delivery to all parts of mainland UK except certain Scottish postcodes (where the price is higher for items sent by courier. Delivery of food abroad (including Channel Islands, N. Ireland and other islands around the UK) is charged at a higher price and free delivery is not available. Temperature controlled products are also not always subject to the standard and/or free delivery options.

For full information on our delivery charges, including prices on heavy deliveries to Scotland and abroad, see our delivery information page.

We can deliver most items to all around the world, but prices do vary. To find the exact cost of shipping your item, and to see all options available, follow these steps:

  1. Put the items you wish to order in your basket
  2. Proceed to checkout and enter your delivery address, including country
  3. Delivery information including price will automatically update to what is available to you

Delivery of aerosols

Due to restrictions aerosols can't be sent by Royal Mail. We appreciate your understanding.

Delivery of temperature controlled items

Some products, such as non-ambient items and frozen food, need to be delivered in insulated packaging to prevent them from getting too warm (or too cold) during transit from us to you. Purchasing any of these items in your order will result in a £1.99 charge being added to the total to cover the high cost of the insulated packaging materials. You only pay the £1.99 once per order, regardless of how many temperature controlled items you purchase in that order.

How do I cancel or return an order?

Please call us as soon as possible if you need to amend or cancel an order on 01582 842096. If your order has been processed for dispatch we will be unable to cancel or amend the order. You will however be able to return your product for a full refund*.

To return an item, you must contact us by phone or email to arrange this BEFORE posting any product back to us. We will explain the process at this stage for you.

*For full details on returns, see our terms and conditions page.

Reviews (5)

Q & A

Below are some recent questions we've received regarding Butox Swish Cattle Pour On, including answers from our team.

21 July 2015 at 7:12pm

C fleet

Can this product be used on horses

  • Non-Executive Director

This product should not be used on horses. I would recommend one of the DEET products, which are very effective, though have to be applied more often. There are lots of examples, just put DEET into the search box on our website.