MecWorma & Bot Broad Spectrum Worm Paste for Horses
Product Information
MecWorma & Bot controls. strongyles in horses, horse dewormer.
It has been shown to be highly effective (up to 100% activity) in control and treatment of large and small strongyles (Strongylus and Cyathostomum spp.) including arterial larval stages and benzimidazole resistant strains, bots (Gasterophilus spp.), cutaneous onchocerciasis and nematodes including Habronema and Draschia spp. which cause skin lesions (summer sores).
Broad-spectrum worm paste for horses of all ages
- A broad spectrum single active ‘mectin’ oral anthelmintic
- Controls Large Strongyles, Small Strongyles, Ascarids (including adult and immature), Pinworms, Hairworms, Lungworms, Bots, Intestinal Threadworms, Neck Threadworms and Large Mouth Stomach Worms
- A complete syringe treats a 600 kg body weight horse
- Safe for use in horses of all ages
Pack sizes: 33 g syringe (20 per carton), (50 per bucket)
Active Constituent
Each g contains: Abamectin 3.64 mg
Dosage and Administration
The recommended dose level of 200 µg/kg bodyweight Farnam® Mecworma® & Bot controls the following parasites:
Large Strongyles: Strongylus vulgaris (adult & arterial larval stages), Strongylus edentatus (adult & tissue stages), Strongylus equinus (adult) and Triodontophorus spp. (adult). Small Strongyles: Including benzimidazole resistant strains (adult and immature) Cyathostomum spp., Cylicocyclus spp., Cylicostephanus spp., Cylicodontophorus spp. and Gyalocephalus spp. 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.
Storage Instructions
- Store in original containers.
- Keep containers securely sealed.
- Store in a cool, dry, well-ventilated area.
- Store away from incompatible materials and foodstuff containers.
Shipping
Non-Prescription Products:
• Free shipping on metro orders over $49+.
• Shipping fee for regional orders & metro orders under $49 will be calculated at checkout.
Prescription Medications:
Shipped separately via express shipping at a flat rate of $8.95.
Returns
Non-Prescription Products:
We offer a hassle-free return policy within 30 days for unopened items in original condition for exchange or store credit. Refunds are available if the product is faulty or not as described; however, food or treats cannot be returned once opened.
Prescription Medications:
We cannot accept change of mind returns for prescription products, given that there are laws that prohibit the resale of medication. Please make your selections carefully, and double-check your order before submitting.
Palatability Guarantee
Our Palatability Guarantee applies to selected brands, including Advance, Royal Canin, Purina, Hill's and 4CYTE, allowing you to return any unused portion of dry/wet food for an exchange or full refund.






























