When spring and fall roll around, so does deworming season. But with so many products and compounds available, choosing the right one for your horse can feel overwhelming. The good news? You don’t have to guess. Modern parasite control is smarter, safer, and far more effective when guided by science.
Start with a Fecal Egg Count
Gone are the days of rotating dewormers on a set schedule. Today, veterinarians recommend fecal egg count testing to determine which parasites are present and how often your horse truly needs treatment.
A Zero Egg Count Equine Parasite Test Kit makes the process simple. The kit helps identify both the type and quantity of parasite eggs found in your horse’s manure, allowing you and your vet to build a tailored treatment plan that avoids unnecessary dosing and reduces parasite resistance.
Choosing the Right Dewormer
Once you have your fecal test results, you’ll know what class of dewormer your horse needs. Here’s a breakdown of the most common compounds and what they target:
Benzimidazoles
Trusted for decades, this class is often used for foals and young horses.
- Panacur and Safe-Guard (fenbendazole) are effective against roundworms and certain strongyles.
- Anthelcide EQ (oxibendazole) targets large strongyles, ascarids, pinworms, and threadworms.
Pyrantel
Useful for adult parasites and, at higher doses, tapeworms.
- Strongid (pyrantel tartrate) works well as part of a broader deworming rotation, but long-term use should be guided by your vet to avoid resistance.
Macrocyclic Lactones
Highly effective and widely used, these compounds treat internal and external parasites, including bots.
- Ivermectin remains a go-to option for broad-spectrum control.
- Moxidectin, found in Quest, is particularly effective against small strongyles and is often recommended for fall treatments.
Praziquantel
Focused solely on tapeworms, this compound is commonly paired with ivermectin or moxidectin for complete coverage.
- EquiMax and Zimecterin Gold combine ivermectin and praziquantel.
- Quest Plus combines moxidectin and praziquantel—ideal for adult horses and seasonal deworming in the fall.
Monitor and Re-Test
A fecal test isn’t a one-and-done task. Re-testing every few months ensures your deworming program is working and helps you catch resistance early. Always discuss results with your veterinarian to fine-tune your horse’s schedule and maintain a healthy, parasite-free program year-round.
Discover More Deworming Essentials at FarmVet
From test kits to trusted brands like Quest, Panacur, and Strongid, FarmVet carries everything you need to build a smarter parasite control program. You’ll also find daily wellness staples like digestive aids, electrolytes, and hoof supplements, so you can support your horse’s health from the inside out all season long. Stock up on your barn’s must-haves and keep every horse in your care performing at their best.
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As the seasons change, so do your horse’s care needs. Learn how to prep your horse (and your tools) for a safe, efficient body clip in our latest guide: Get Your Horse Ready for Clipping Season.
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