We all know Worms are harmful to the health of a horse but with so many different worming products on sale, most with name beginning with "Equ" and stories of resistance to certain treatments it can be confusing.
So here's a quick summary of the types of wormers we stock, grouped by their main active ingredients used to target particular parasites.
Types of Horse Wormers
Invermectin:- Kills large redworms, small redworms, pinworms, large roundworms, lungworms,intestinal and neck threadworms and stomach worms.
- Dosing interval 8-10 weeks.
- Single dose in May, July and December.
- Also highly effectively against bots.
- Kills tapeworms
- No known resistance in the UK.
- Products include: Equitape (single dose, praziquantel), Equest Pramox, Eqvalan Duo , Equimax (single dose, combination wormers containing praziquantel).
- All the benefits of ivermectin activity with the added benefit of tapeworm control.
- Single dose in Spring and Autumn (March/April and September/October) for roundworms and tapeworms.
- Products include: Equimax Horse Wormer.
- Kills small redworm including encysted stages, large redworm, pinworms, large roundworms, intestinal threadworms, stomach worms and bots.
- Dosing interval for small redworm - 13 weeks.
- Single dose during winter to treat encysted small redworms.
- Products include: Equest.
- Kills large redworms, small redworms, large roundworm and pinworms. Tapeworms at elevated dose rate
- Dosing interval for strongyles every 4-6 weeks during summer and autumn at pasture, every 4 weeks for foals from 1 to 8 months old.
- Products include: Strongid P (elevated dose, pyrantel)
- Kills large redworms, small redworms, including encysted stages at elevated dose rates, pinworms, large roundworm, intestinal threadworms at elevated doses.
- A five-day course can be used against inhibited mucosal stages of small redworms.
- Dosing interval for strongyles 6-8 weeks (if no benzimidazole resistance).
- There is widespread worm resistance to this wormer group against small redworms.
- Products include: Panacur Equine (fenbendazole).
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