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Spot-On (Deltamethrin)
Spot-On (Deltamethrin)
Spot-On (Deltamethrin)
Spot-On (Deltamethrin)
Spot-On (Deltamethrin)
Spot-On (Deltamethrin)

Spot-On (Deltamethrin)

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Spot on insecticide 1% is used for the treatment and control of lice and flies on cattle and is also used for the treatment of ticks, lice keds and blowfly in sheep. The active ingredient in Spot on insecticide 1% is deltamethrin, which is one of the most reliable and safest to use insecticides in the world.


Active Ingredient: Deltamethrin

Target Species: Sheep and cattle

Treats and Controls: Lice, Flies on cattle. Ticks, keds and blowfly in sheep

Administration Method: Pour on

Withdrawal Time: 17 days for cattle intended for meat or offal, zero hours for cattle producing milk for human consumption, 35 days for sheep intended for meat or offal, not permitted for use on sheep producing milk for human consumption.

Dosage for cattle: 10 ml per animal. 

Body Weight Dose Volume Doses Per Pack
250ml 500ml 1 Litre
All Sizes 10ml 25 50 100

Dosage for sheep above 10kg: 5 ml per animal. 

Body Weight Dose Volume Doses Per Pack
250ml 500ml 1 Litre
Above 10kg 5ml 50 100 200

Dosage for lambs under 10kg: 2.5 ml per animal. 

Body Weight Dose Volume Doses Per Pack
250ml 500ml 1 Litre
All Sizes 2.5ml 100 200 400

Always read the label and all enclosed information for Spot On Insecticide before administering to animals!

Features on Spot On

  •  Treat and control lice and flies on cattle
  • Treats ticks, lice, keds and blowfly in sheep. 
  • The active ingredient is deltamethrin
  • Reliable and safe.

This Product is only licensed for sale in the Republic of Ireland


Click here to Download Data Sheet

Health Products Regulatory Authority 

Summary of Product Characteristics

Fly and Lice Spot On Insecticide 1% w/v

Active Substance

Deltamethrin (Technical) 1.00 % w/v
For a full list of excipients, see section 6.1.

Spot-on solution. 

4.1 Target Species

Cattle and sheep.

4.2 Indications for use, specifying the target species
As a topical application for the control of lice and flies on cattle and ticks, lice, keds and established blowfly strike on sheep.
On cattle:
for the control of both sucking and biting lice, including Damalinia bovis, Solenopotes capillatus, Linognathus vituli and Haematopinus eurysternus on all ages of cattle including dairy cattle producing milk for human consumption. Also as an aid in the control of both biting and nuisance flies including Haematobia irritans, Stomoxys calcitrans, Musca species and Hydrotaea irritans.
On sheep:
For the control of ticks (Ixodes ricinus) and of lice and keds and established blowfly strike.

4.3 Contraindications
Do not use the product in ewes producing milk for human consumption.
Do not use the product in animals with known hypersensitivity to the active ingredient.

4.4 Special warnings for each target species
No special warnings are considered necessary.

4.5 Special precautions for use
Special precautions for use in animals

The product has been applied safely at the recommended rate to day old animals and to calves less than 14 days of age.
Special precautions to be taken by the person administering the veterinary medicinal product to animals
A transient tingling sensation on the skin may occur if deltamethrin comes in contact with the face of some individuals.
It is therefore advisable that the following precautions should be observed:
Wear protective gloves when applying the product or when handling recently treated animals.
Remove heavily contaminated clothing immediately and wash before re-use.
Wash splashes from the skin immediately with soap and plenty of water.
Wash hands and exposed skin before meals or smoking and after work.
In case of contact with the eyes, rinse immediately with plenty of water and seek medical advice.
In case of accidental ingestion, wash out mouth immediately with water and seek medical advice. 

4.6 Adverse reactions (frequency and seriousness)
Minor signs of discomfort have been seen in some cattle during the 48 hours after treatment.
This is of no long-term detriment to the animal.
Lacrymation may also be seen in some cattle after treatment.

4.7 Use during pregnancy, lactation or lay
No special precautions are recommended.
This product may be used in pregnant and lactating animals.

4.8 Interaction with other medicinal products and other forms of interactions
Do not mix any other insecticide or acaricide with the product. 

4.9 Amounts to be administered and administration route

Cattle:   10 ml
Sheep:    5 ml

Established blowfly strike -5 ml

Apply a single dose with the special 'Squeeze 'n' Pour' dispenser pack or the applicator on one spot on the mid-line of the back at the shoulders as directed on the dispenser or applicator gun pack.

For blowfly strike on sheep, see following specific indication directions:

Lice on cattle:
One application will generally eradicate all lice.
Complete clearance of all lice may take 4 - 5 weeks during which time lice hatch from the eggs and are killed.
A very few lice may survive on a small minority of animals.
Therefore, it may be necessary on rare occasions to re-treat an animal 6 - 8 weeks later.

Flies on cattle: 
To control biting and non-biting flies, treatment should be repeated as necessary.
Frequency of treatment will depend on the numbers and species of flies present.
Where horn-flies predominate, good control can be expected for 4 - 8 weeks.
Re-treat as necessary.

Ticks on sheep:
Application to the mid-point of the shoulders will provide useful control of ticks attaching to animals of all ages, for a 4 - 6 week period after treatment.

Keds and lice on sheep:
Application to the mid-point of the shoulders of sheep in short or long fleece will reduce the incidence of a biting louse or ked infestation over a 4 - 6 week period after treatment.
N.B. For control of ticks, keds and lice on sheep, the fleece should be parted and the product applied to the skin of the animal.

Established blowfly strike on sheep:
Apply directly to the maggot infected area as soon as the fly strike is seen.
One application will ensure blowfly larvae are killed in a short time.
In the case of more advanced strike lesions, clipping out of stained wool before treatment is advisable.

4.10 Overdose (symptoms, emergency procedures, antidotes), if necessary
The product has been shown to be safe in all species even when given at up to five times the recommended therapeutic dose.
Some adverse symptoms have been seen in animals treated at overdose, paraesthesia and irritation in cattle and intermittent or attempted urination in young lambs, but these have been shown to be mild, transient and resolve without treatment. 4.11 Withdrawal period(s) Cattle: Meat and offal: 17 days Milk: Zero hours 
Sheep: Meat and offal: 35 days Milk: Not for use in ewes producing milk for human consumption.

Phamacotherapeutic group:

Ectoparasiticides for topical use, including insecticides, deltamethrin.

ATCvet code:

5.1 Pharmacodynamic properties
Deltamethrin is a synthetic pyrethroid possessing pesticidal activity.
It is one of a large family of pyrethroid esters which have evolved as synthetic analogues of the original insecticidal extracts isolated from powdered pyrethrum flowers.
Deltamethrin is an alpha- cyano pyrethroid and is a member of the second generation of pyrethroids in which the overall stability of the molecule is improved with correspondingly increased resistance to photo- and bio-degradation and enhanced insecticidal activity.
It is more potently toxic to insects and acarines because of the slower rate of metabolism.
The precise mode of insecticidal activity of pyrethoids remains uncertain, but they are potent neurotoxins in insects, causing failure in sensory co-ordination and disorganised motor activity, hence the 'knock-down' effect.
Pyrethroids are metabolised through oxidative and neurotoxic pathways far more rapidly in mammals, so that neurotoxic effects can only occur at dosages which are many orders of magnitude greater than those required for pesticidal activity.

6.1 List of excipients

Coconut Oil Fractionated

6.2 Major incompatibilities
None known.

6.3 Shelf-life
Shelf-life of the veterinary medicinal product as packaged for sale (200 ml, 500 ml and 1 litre presentations): 5 years Shelf-life of the veterinary medicinal product as packaged for sale (2.5 litre and 5 litre (2 x 2.5 litre) presentations): 3 years

6.4 Special precautions for storage
Keep container tightly closed.
Do not store above 25°C.
Protect from frost.

6.5 Nature and composition of immediate packaging
1 litre and 2.5 litre plastic flexi pack for use with an applicator.
A 5 litre pack is also available, containing 2 x 2.5 litre plastic flexi packs for use with an applicator. 250 and 500 ml squeeze and pour dispensers.
Not all pack sizes may be marketed. 

6.6 Special precautions for the disposal of unused veterinary medicinal products or waste materials derived from the use of such products
Dangerous to fish and other aquatic animals.

Do not contaminate ponds, waterways or ditches with the product or used container.
Unused product or waste material should be disposed of in accordance with current practice for pharmaceutical waste under national waste disposal regulations.

Zoetis Belgium S.A.
2nd Floor,
Building 10
Cherrywood Business Park,
Co Dublin


Date of first authorisation: 01 October 1999
Date of last renewal: 30 September 2009

June 2019


Sheep Pour-ons and spot-ons
Pour-ons and spot-ons need to be applied accurately and each manufacturer may recommend subtle differences. Use appropriate and calibrated guns, always clean with warm soapy water and then rinse after use. Store in a safe dry place. When treating sheep with these products, make sure they are applied along the back line. If placed to one side, the product will not spread evenly around the body. No pour-on or spot-on is effective against sheep scab.

The Four Stroke Method: The four stroke method ensures the pour-on is applied evenly by applying a quarter of the application at a time in four simple strokes.

1) 1/4 applied from between the shoulders to middle of back
2) 1/4 applied from middle of back to top of animals tail
3) 1/4 applied from one side of the animals tail down the crutch
4) 1/4 applied from other side of tail down the other crutch

Cattle Pour-ons
These should be applied along the length of the flattest part of the animal’s back, from the withers to the tail head.
In general, animals should not be treated when the hair is wet or if rain is anticipated within two hours of treatment. However, some products are waterproof and can be used on wet animals.
Areas of damaged skin should be avoided, as should areas contaminated with mud or manure


What is deltamethrin?

Deltamethrin is an insecticide belonging to the pyrethroid family.
Pyrethroids are the man-made versions of pyrethrins, natural insecticides from chrysanthemum flowers.

Deltamethrin was first described in 1974 and entered the marketplace in 1978.
Deltamethrin is in a variety of products used to kill a wide range of insects.

How does deltamethrin work?

Deltamethrin can kill insects by direct contact or if they eat it.
It disrupts their normal nervous system function.
It is less toxic to mammals due to their higher body temperature, larger body size, and decreased sensitivity to the  chemical.

Delivery Information

Delivery Service

Here at Agridirect we have joined forces with DPD to ensure all packages are delivered promptly and safely to you. We ship to all mainland countries within the EU. Deliveries take place Monday to Friday excluding bank holidays. Once your order has been dispatched from our warehouse you will be notified by email. If there is a delay with your order for any reason you will be contacted immediately. 

Due to Brexit we are temporarily unable to ship to the UK. Shipping to Northern Ireland will remain in place.

Delivery Times
Ireland (ROI & NI) EU (Mainland Only)
2-4 Working Days 4-6 Working Days

Some products have an extended delivery time, this is noted on the products.

Delivery Rates

Country Orders Under €129 Orders Over €129
Ireland (ROI & NI) €7.99 €0.00
Austria €24.99 €17.00
Belgium €21.99 €14.00
Czech Republic €24.99 €17.00
Denmark €24.99 €17.00
Finland €36.99 €29.00
France €21.99 €14.00
Germany €21.99 €14.00
Hungary €28.99 €21.00
Italy €34.99 €23.00
Luxenburg €21.99 €14.00
Netherlands €21.99 €14.00
Poland €21.99 €17.00
Portugal €36.99 €29.00
Slovakia €28.99 €21.00
Slovenia €28.99 €21.00
Spain €34.99 €27.00
Sweden €34.99 €27.00


A selection of the products we sell are only licensed for sale within the Republic Of Ireland and can not be shipped outside of the country. These products are noted as only being available within the Republic of Ireland on the individual product pages.

There may be an addition charge on certain bulky items. This charge will be clearly marked on an applicable products and will be explained on the checkout page before payment has been made.

Agridirect Returns Policy

We’re sorry your purchase didn’t work out. But don’t worry; we have a great returns policy to help you out.

All purchases can be returned to us within 14 days of delivery and returned goods must be received within 14 days from the date you informed us of the return.

Purchases may be opened for inspection but must not be used and must be repackaged securely in the original packaging if you wish to return it.

If we discover goods have been used or there has been a loss in value of the goods due to damage to the goods, while in your care or whilst being returned to us, we will reduce the amount refunded, which may amount to the full cost of the product, to cover loss of value of goods.

All returns should be complete which includes boxes, manuals and accessories that may have been included with the order.

All returns must be packaged appropriately for shipping, we will not accept responsibility for damages or loss which occur during shipping of a return product.

We accept no responsibility for goods damaged or lost while in transit to us. 

How do I return a product?

We have partnered with DPD to make your returns process easy and secure. simply follow the steps below and bring your package to an official DPD pickup point.

1) All returns must be accompanied with a fully filled out returns form which can be downloaded here.

2) To print off your return label click here or visit and follow the on-screen instructions. Make sure and use your order number as your reference.

  • Select “Continue as Guest”
  • Select “Agridirect” from the drop-down menu
  • Select your reason for returning
  • Select the size of the package you wish to return
  • Accept DPD’s terms and conditions
  • Fill in your payment details
  • Fill in your own details
  • Follow the instructions to print off your label

3) Bring your package to a DPD pickup point. To find your nearest drop off point here.

Once the returned product has been received into our warehouse and been fully inspected a refund will be issued.

If you choose not to use the DPD returns service we recommend that you use a method that can be tracked.

For the return of bulk products please contact us at

I have received a damaged product from you, what should I do?

First off, if you have received a damaged electrical product from us, do not plug it in. Any electrical products that are plugged in are deemed ‘as used and accepted’ and are not accepted as returns. All damages must be reported to us via phone or email within 24hours of receipt of goods. Please ensure you check your items upon delivery.

How do I begin the returns process?

If you wish to begin the return process, please email us at and ensure the following information is included in your email. Your name, phone number, Order id, the item you wish to return, reason for return and if the product is damaged we require photos of the product.

Once you have sent us all required information a member of our team will assess your claim and will contact you as soon as possible. Please hold off on returning products until a member of our team has called you to confirm.


Once the returned product has been returned to us and fully inspected a refund will be issued.

Please Note: A typical timeline for a refund to show in your account is up to 10 working days from the date processed, depending on your bank.



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