IAH Horse Wormer Mecworma & Bot Paste 33g
- Active ingredient
- 3.64 mg/g abamectin
- Controls
- Host: Horse. Target: roundworms (large and small strongyles including arterial larval stages and benzimidazole resistant strains, ascarids, pinworms, hairworms, lungwo...
- Suitable for
- Horse
- Withholding period
- Meat: DO NOT USE less than 28 days before slaughter for human consumption. — always confirm on the registered label
Farnam MecWorma & Bot broad spectrum worm paste for horses. Active constituent: 3.64 mg/g abamectin.
For the treatment and control of roundworms (Strongylus and Cyathostomum spp.) including arterial larval stages and benzimidazole resistant strains, bots (Gasterophilus spp.), cutaneous onchocerciasis, and other nematodes including Habronema and Draschia spp. which cause skin lesions (summer sores).
At the recommended dose level of 0.2 mg/kg bodyweight MecWorma & Bot controls:
Large strongyles
Small strongyles (including benzimidazole resistant strains)
Ascarids (Parascaris equorum, adult & immature)
Pinworms (Oxyuris equi, adult & immature)
Hairworms (Trichostrongylus axei, adult)
Lungworms (Dictyocaulus arnfieldi, adult and immature)
Bots (Gasterophilus spp., oral and stomach stages)
Intestinal threadworms (Strongyloides westeri, adult)
Neck threadworms (Onchocerca spp. microfilariae, cutaneous onchocerciasis)
Stomach worms (Habronema muscae, adult and cutaneous larval stage; Draschia spp., cutaneous larval stage) – both cause summer sores
A complete syringe treats a 600 kg bodyweight horse.
Meat withholding period: DO NOT USE less than 28 days before slaughter for human consumption.
Always read the registered label before use (APVMA 58218).
Active Ingredient: 3.64 mg/g abamectin
Chemical Schedule: S5
APVMA Reg. No: 58218
For use on: Horse
Meat: DO NOT USE less than 28 days before slaughter for human consumption.
Always read the current registered product label before use. Withholding periods must be observed before slaughter, milking, or egg collection. The label supplied with the product is the legal document and takes precedence. If in doubt, contact TGRM on (07) 5482 1692 or the manufacturer directly.
Always read the current registered product label before use. Dose rates and withholding periods on this page are provided as a guide only. The registered label supplied with the product is the legal document and takes precedence. If in doubt, contact TGRM on (07) 5482 1692 or the manufacturer directly.
Always read the label and follow directions for use. The registered label is the legal document governing use of this product.
Download the Safety Data Sheet for this product:
Download SDS (PDF)Required for safe handling and storage. Keep on-site per WHS regulations.
Common Questions
What does MecWorma & Bot control?
The label claim is for the treatment and control of roundworms (Strongylus and Cyathostomum spp.) including arterial larval stages and benzimidazole resistant strains, bots (Gasterophilus spp.), cutaneous onchocerciasis, and other nematodes including Habronema and Draschia spp. which cause skin lesions (summer sores).
How much does one syringe treat?
A complete syringe treats a 600 kg bodyweight horse. The plunger is calibrated in 100 kg weight increments; adjust the locking ring to the required bodyweight. The label dose is 200 µg/kg bodyweight.
Can I use it on foals?
The label states: treat foals from 6 - 8 weeks of age and repeat treatment as appropriate.
What is the withholding period?
Meat: DO NOT USE less than 28 days before slaughter for human consumption.
Do you ship this product Australia-wide?
Yes, this product ships Australia-wide via Australia Post or road courier. Select your preferred shipping method at checkout.
Mainland Australia only — we’re unable to deliver this product to Tasmania. It is classified as environmentally hazardous (a marine pollutant), so it is regulated as a dangerous good for sea and air transport and our freight carriers will not accept it on those routes. Because every route to Tasmania and offshore destinations needs a sea or air leg, we can only deliver it to mainland addresses by road. Call us on (07) 5482 1692 if you are unsure about your address.
Can you deliver this to Tasmania?
Not at this time. This product is environmentally hazardous (a marine pollutant), so it is regulated as a dangerous good for sea and air freight and our carriers do not accept it on those routes. As every route to Tasmania involves a sea or air crossing, we can only deliver it within mainland Australia by road. If you are in Tasmania, please call us on (07) 5482 1692 and we will help you find an alternative product.
Can I Click & Collect from Gympie?
Yes — Click & Collect is available from our store at 55 Tozer St, Gympie. Open Mon–Fri 8am–5pm and Sat 8am–12pm. Click & Collect is FREE on orders of $175 or more, or a flat $10 on orders under $175. Select Click & Collect at checkout and we will have your order ready.



