Dectomax 10 mg/ml Injection for Cattle, Sheep and Pigs
Dectomax 10 mg/ml Injection is a broad-spectrum parasite treatment containing doramectin 10 mg/ml. It treats and controls a range of internal and external parasites in cattle, sheep and pigs, including gastrointestinal roundworms, lungworms, lice and mange mites.
In cattle, Dectomax also treats eyeworms and warbles and aids in the control of certain ticks. In sheep, it treats sheep scab and nasal bots, while in pigs it treats specified kidney worms and other parasites.
With a single injection and extended protection against certain parasites, Dectomax provides a practical option for managing parasite burdens in livestock.
Product Information
| Dectomax Injection Product Details | |
|---|---|
| Active Ingredient | Doramectin 10 mg/ml |
| Target Species | Cattle, sheep and pigs |
| Treats and Controls | Specified gastrointestinal roundworms, lungworms, lice, mange mites and other parasites depending on species |
| Cattle Administration | Subcutaneous injection in the neck |
| Sheep Administration | Intramuscular injection in the neck |
| Pig Administration | Intramuscular injection |
| Cattle Dosage | 1 ml per 50 kg bodyweight |
| Sheep Dosage | 1 ml per 50 kg or 1 ml per 33 kg, depending on treatment |
| Pig Dosage | 1 ml per 33 kg bodyweight; see separate piglet dosing guidance |
| Pack Sizes | 50 ml, 250 ml and 500 ml |
| Legal Category | Prescription Only Medicine (POM) |
| Irish Licence Number | VPA10387/019/001 |
Withdrawal Periods
| Species | Meat & Offal | Milk |
|---|---|---|
| Cattle | 70 days | Not authorised for animals producing milk for human consumption |
| Sheep | 70 days | Not authorised for animals producing milk for human consumption |
| Pigs | 77 days | Not applicable |
Important: Do not use in pregnant cows or heifers intended to produce milk for human consumption within 2 months of expected calving. Do not use in pregnant ewes intended to produce milk for human consumption within 70 days of expected lambing.
What Does Dectomax Injection Treat?
Cattle
- Gastrointestinal Roundworms: Treats specified adult and larval stomach and intestinal worms.
- Lungworms: Treats Dictyocaulus viviparus.
- Eyeworms and Warbles: Treats specified eyeworms and warble larvae.
- Lice and Mange Mites: Treats specified sucking lice and mange mites, with additional aid in controlling certain biting lice and mites.
- Ticks: Aids in the control of Ixodes ricinus.
Sheep
- Gastrointestinal Roundworms: Treats specified stomach and intestinal worms.
- Lungworms: Treats specified lungworm species.
- Sheep Scab: Treats Psoroptes ovis mites at the recommended higher dosage.
- Nasal Bots: Treats Oestrus ovis larvae.
Pigs
- Gastrointestinal Roundworms: Treats specified stomach and intestinal worms.
- Lungworms: Treats adult Metastrongylus species.
- Kidney Worms: Treats adult Stephanurus dentatus.
- Sucking Lice: Treats Haematopinus suis.
- Mange Mites: Treats Sarcoptes scabiei.
Refer to the datasheet for the complete list of susceptible parasite species and life stages.
Key Features of Dectomax Injection
- Three Target Species: Licensed for cattle, sheep and pigs.
- Broad-Spectrum Treatment: Controls a range of internal and external parasites.
- Extended Protection: In cattle, provides up to 35 days' protection against reinfection with certain stomach worms and lungworms.
- Sheep Scab Treatment: Treats Psoroptes ovis at the recommended dosage.
- Pig Mange Protection: Protects pigs against infection or reinfection with Sarcoptes scabiei for 18 days.
- Single Injection: One treatment administered at the correct dose for the species and parasite.
Dectomax Dosage for Cattle
Recommended Dose: 1 ml per 50 kg bodyweight (200 micrograms/kg), administered by subcutaneous injection in the neck.
Cattle - Dose and Bottle Coverage
| Weight | Dose | 50 ml | 250 ml | 500 ml |
|---|---|---|---|---|
| 50 kg | 1 ml | 50 | 250 | 500 |
| 100 kg | 2 ml | 25 | 125 | 250 |
| 150 kg | 3 ml | 16 | 83 | 166 |
| 200 kg | 4 ml | 12 | 62 | 125 |
| 250 kg | 5 ml | 10 | 50 | 100 |
| 300 kg | 6 ml | 8 | 41 | 83 |
| 350 kg | 7 ml | 7 | 35 | 71 |
| 400 kg | 8 ml | 6 | 31 | 62 |
| 450 kg | 9 ml | 5 | 27 | 55 |
| 500 kg | 10 ml | 5 | 25 | 50 |
| 550 kg | 11 ml | 4 | 22 | 45 |
| 600 kg | 12 ml | 4 | 20 | 41 |
Maximum injection volume: 5 ml per injection site. Divide larger doses between injection sites.
Dectomax Dosage for Sheep
Sheep - General Worm and Nasal Bot Treatment
Recommended Dose: 1 ml per 50 kg bodyweight (200 micrograms/kg), administered by intramuscular injection in the neck.
| Weight | Dose | 50 ml | 250 ml | 500 ml |
|---|---|---|---|---|
| 10 kg | 0.2 ml | 250 | 1250 | 2500 |
| 20 kg | 0.4 ml | 125 | 625 | 1250 |
| 30 kg | 0.6 ml | 83 | 416 | 833 |
| 40 kg | 0.8 ml | 62 | 312 | 625 |
| 50 kg | 1 ml | 50 | 250 | 500 |
| 60 kg | 1.2 ml | 41 | 208 | 416 |
| 70 kg | 1.4 ml | 35 | 178 | 357 |
| 80 kg | 1.6 ml | 31 | 156 | 312 |
| 90 kg | 1.8 ml | 27 | 138 | 277 |
| 100 kg | 2 ml | 25 | 125 | 250 |
Sheep - Sheep Scab Treatment
Recommended Dose: 1 ml per 33 kg bodyweight (approximately 300 micrograms/kg), administered by intramuscular injection in the neck.
| Weight | Dose | 50 ml | 250 ml | 500 ml |
|---|---|---|---|---|
| 16.5 kg | 0.5 ml | 100 | 500 | 1000 |
| 33 kg | 1 ml | 50 | 250 | 500 |
| 49.5 kg | 1.5 ml | 33 | 166 | 333 |
| 66 kg | 2 ml | 25 | 125 | 250 |
| 82.5 kg | 2.5 ml | 20 | 100 | 200 |
| 99 kg | 3 ml | 16 | 83 | 166 |
Maximum injection volume for sheep: 1.5 ml per injection site. Divide larger doses between sites. All sheep in contact with infested animals should be treated to help prevent reinfestation.
Dectomax Dosage for Pigs
Recommended Dose: 1 ml per 33 kg bodyweight (approximately 300 micrograms/kg), administered by intramuscular injection.
Pigs - Dose and Bottle Coverage
| Weight | Dose | 50 ml | 250 ml | 500 ml |
|---|---|---|---|---|
| 33 kg | 1 ml | 50 | 250 | 500 |
| 66 kg | 2 ml | 25 | 125 | 250 |
| 99 kg | 3 ml | 16 | 83 | 166 |
| 132 kg | 4 ml | 12 | 62 | 125 |
| 165 kg | 5 ml | 10 | 50 | 100 |
| 198 kg | 6 ml | 8 | 41 | 83 |
| 231 kg | 7 ml | 7 | 35 | 71 |
| 264 kg | 8 ml | 6 | 31 | 62 |
Maximum injection volume for pigs: 2.5 ml per injection site. Divide larger doses between sites.
Piglets Weighing 16 kg or Less
Use the specific piglet dosing instructions provided in the datasheet.
| Bodyweight | Dose | 50 ml | 250 ml | 500 ml |
|---|---|---|---|---|
| Less than 4 kg | 0.1 ml | 500 | 2500 | 5000 |
| 5–7 kg | 0.2 ml | 250 | 1250 | 2500 |
| 8–10 kg | 0.3 ml | 166 | 833 | 1666 |
| 11–13 kg | 0.4 ml | 125 | 625 | 1250 |
| 14–16 kg | 0.5 ml | 100 | 500 | 1000 |
For piglets weighing 16 kg or less, use a 1 ml disposable syringe graduated in increments of 0.1 ml or less. Seek veterinary advice on appropriate needles and syringes. The SPC does not specify a dose band for exactly 4 kg; confirm dosing with the prescribing veterinarian.
Bottle Coverage: All figures show the number of complete doses per bottle, rounded down and assuming no product wastage. Determine bodyweight accurately and check dosing equipment before treatment.
Administration and Precautions
- Cattle: Administer by subcutaneous injection in the neck.
- Sheep: Administer by intramuscular injection in the neck.
- Pigs: Administer by intramuscular injection.
- Observe maximum injection volumes of 5 ml per site in cattle, 1.5 ml in sheep and 2.5 ml in pigs.
- Use sterile equipment and follow aseptic injection procedures.
- Swab the vial stopper before withdrawing each dose. The stopper must not be punctured more than once; use a suitable vented draw-off system for repeated dosing.
- Weigh animals accurately and check dosing equipment to avoid underdosing or overdosing.
- Follow veterinary advice when treating sheep scab and implement measures to prevent reinfestation.
- Observe all meat withdrawal periods and milk restrictions.
- Do not use in dogs or animals with known hypersensitivity to doramectin or the other ingredients.
- Avoid accidental self-injection and wash hands after use.
- Keep treated cattle away from water bodies for 2–5 weeks after treatment.
- Use responsibly to reduce the risk of parasite resistance.
Storage and Shelf Life
- Shelf Life: 3 years unopened.
- After Opening: Use within 28 days.
- Storage: Do not store above 30°C.
- Light Protection: Protect from direct sunlight and keep the protective plastic overwrap in place.
- Product Form: Clear, colourless to pale yellow solution.
- Pack Sizes: 50 ml, 250 ml and 500 ml.
- Marketing Authorisation Holder: Zoetis Belgium S.A.
- Irish Marketing Authorisation: VPA10387/019/001.
- Legal Category: Prescription Only Medicine (POM).
Important: Always read the current product label and datasheet before administering Dectomax Injection. Follow the prescribed dosage and administration route and observe all withdrawal periods.
Dectomax is an injectable solution for the treatment and control of various internal and external parasites in (such as gastrointestinal roundworms) and external parasites (such as mites and lice) in cattle and swine. The active ingredient in Dectomax is doramectin, which belongs to the macrocyclic lactone class of compounds.
Active Ingredient: Doramectin
Target Species: Cattle, sheep, pigs
Treats and Controls: various internal and external parasites in (such as gastrointestinal roundworms) and external parasites (such as mites and lice)
Withdrawal Time: Cattle - 70 days; Sheep - 70 days; Pigs - 77 days
Legal Status: POM
Delivery Information
- Fast Nationwide Delivery (Ireland)
- Standard Delivery - orders under €129 are €6.99
- Free Shipping for orders over €129
- Typically 2-4 days for delivery
Note: Some products may have an extra heavy/bulk delivery charge; this will be noted on the product page.
Delivery Service
Here at Agridirect we have joined forces with An Post & 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.
Delivery Times
- Ireland (ROI & NI) - 2-4 Working Days
- EU (Mainland Only) - 4-6 Working Days
Some products have an extended delivery time, this is noted on the products.
Delivery Rates
- Country - Delivery Charge
- Ireland (ROI & NI) - €6.99
- Austria - €39.99
- Belgium - €36.99
- Czech Republic - €39.99
- Denmark - €39.99
- Finland - €51.99
- France - €36.99
- Germany - €36.99
- Hungary - €43.99
- Italy - €49.99
- Luxembourg - €36.99
- Netherlands - €36.99
- Poland - €36.99
- Portugal - €51.99
- Slovakia - €43.99
- Slovenia - €43.99
- Spain - €49.99
- Sweden - €49.99
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.
Note: There may be an additional charge on certain bulky items. This charge will be clearly marked on applicable products and will be explained on the checkout page before payment has been made.
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 the loss of value of the 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 that occurs 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 returns form PDF.
2) To print off your return label click DPD Returns page or visit www.dpd.ie/returns 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 DPD pickup shops.
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 sales@agridirect.ie
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 sales@agridirect.ie 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.
Refunds
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.

