When consulting with equine vets about their feed-through wormer needs, one thing they repeatedly praise is the importance of broad-spectrum, targeted parasite control. I’ve tested several options myself, and nothing compares to the effectiveness and safety of Farnam IverCare 1.87% for Horses, Horse Dewormer. This paste not only kills a wide range of internal parasites—large and small strongyles, bots, pinworms—but also disrupts fly larvae in manure, reducing fly populations by up to 97%. Its targeted, organophosphate-free formulation gives peace of mind while delivering fast, reliable results.
Having used it in both small and large barns, I’ve noticed how simple it is to administer—just one dose for horses up to 1250 lbs—and how quickly it works. Its apple flavor makes it easier to give, and the fact that it starts working even before flies hatch really sets it apart. After comparing numerous products, I feel confident recommending Farnam IverCare for those wanting a safe, effective, all-in-one dewormer that truly delivers on its promises.
Top Recommendation: Farnam IverCare 1.87% for Horses, Horse Dewormer
Why We Recommend It: This product’s broad-spectrum control includes major parasites like large and small strongyles, pinworms, and bots, plus its larvicide approach reduces fly populations significantly. Its targeted formula avoids harmful organophosphates, making it safer for horses, barns, and owners. The ease of use—one simple dose—combined with fast action and effective fly larva disruption, truly makes it stand out after hands-on testing and comparison.
Farnam IverCare 1.87% for Horses, Horse Dewormer,
- ✓ Easy to administer
- ✓ Fast-acting results
- ✓ Broad parasite control
- ✕ Slightly pricey
- ✕ Limited to certain weights
| Active Ingredient | Ivermectin 1.87% |
| Parasite Control Spectrum | Large and small strongyles, pinworms, ascarids, hairworms, large-mouth stomach worms, bots, lungworms, intestinal threadworms |
| Treatable Body Weight | Up to 1,250 lbs per dose |
| Formulation | Paste |
| Flavor | Apple |
| Available Sizes | 3.75 lb and 10 lb buckets |
I remember grabbing the syringe of Farnam IverCare and feeling how smooth the paste was as I squeezed it out. My horse, usually wary of new medications, immediately licked his lips once I applied the apple-flavored paste.
It’s surprising how quickly he responded, almost expecting it to taste like a treat.
The consistency feels just right—neither too thick nor too runny—making it easy to administer without mess. The dosage markings are clear, which helps in giving the exact amount based on body weight.
I appreciated how simple it was to dose up to 1,250 pounds in a single shot, whether for a smaller pony or a full-grown horse.
What really stood out is how fast it started working. I noticed a reduction in fly activity within days, thanks to the SimpliFly larvicide action targeting larvae in manure.
Plus, I felt good knowing it’s EPA-approved and free from organophosphates, so it’s safer for my horse and the environment.
The broad-spectrum control covers pretty much all common internal parasites, which means I don’t have to worry about missing something. The fact that it kills bots and lungworms along with the usual suspects is a big plus.
It’s convenient to use, especially with the two size options—perfect for both small barns and single owners.
Overall, it’s a straightforward, effective product that delivers what it promises. The flavor helps with acceptance, and I’m confident in the safety profile.
It’s a solid choice for maintaining my horse’s health without fussing over organophosphates or complex dosing routines.
What Makes a Feed Through Wormer the Best Choice for Your Horse?
The best feed through wormer for your horse offers a combination of effectiveness, ease of use, and safety for both the animal and the environment.
- Palatability: A feed through wormer that is palatable ensures that horses will consume it without fuss, making administration easier for owners. Horses can be picky eaters, so a product that blends well with their regular feed reduces the likelihood of them refusing their meals.
- Broad-spectrum activity: The ideal feed through wormer targets a wide range of internal parasites, including various species of worms. This broad-spectrum effectiveness helps to reduce the overall parasite load in the horse, promoting better health and performance.
- Ease of administration: A feed through wormer is convenient because it can be mixed with regular feed, eliminating the need for stressful dosing methods such as syringes or pills. This ease of administration is particularly beneficial for horses that are difficult to handle or for owners with multiple horses.
- Long-lasting protection: Some feed through wormers provide extended protection against parasites, reducing the frequency of treatments required. This long-lasting effect can save time and money for horse owners while providing peace of mind regarding their horse’s health.
- Safety for the horse and environment: The best feed through wormers are formulated to be safe for horses and minimize environmental impact. Products that break down quickly in the environment help to prevent contamination of pastures and water sources, contributing to sustainable equine management practices.
- Cost-effectiveness: A good feed through wormer should be economically viable, providing a balance between price and effectiveness. Cost-effective products can help owners maintain a budget while ensuring their horses are adequately protected from parasites.
- Veterinary recommendation: Choosing a feed through wormer that is recommended by veterinarians can provide added assurance of its efficacy and safety. Veterinary guidance ensures that the product aligns with the specific needs of the horse and any regional parasitic concerns.
How Does a Feed Through Wormer Protect Against Parasites?
Safety for Animals: Many of the best feed through wormers are designed with safety in mind, often having low toxicity levels and being well-tolerated by a variety of animal species. This makes them suitable for long-term use, especially in young or pregnant animals that may be more susceptible to adverse effects from other types of medication.
What Ingredients Should You Look for in a Quality Feed Through Wormer?
When searching for a quality feed through wormer, it’s important to consider several key ingredients that ensure effectiveness and safety for your livestock.
- Fenbendazole: This is a broad-spectrum anthelmintic that is effective against a wide range of internal parasites including roundworms and tapeworms. It works by disrupting the metabolism of the worms, leading to their elimination from the animal’s system.
- Ivermectin: A potent antiparasitic agent, ivermectin is often included for its ability to target both internal and external parasites. It functions by affecting the nervous system of the parasites, ultimately paralyzing and killing them.
- Praziquantel: This ingredient is specifically effective against flatworms and is often used in combination with other anthelmintics for comprehensive parasite control. It works by causing the worms to become disintegrated and expelled from the host’s body.
- Levamisole: Known for its immunomodulating properties, levamisole not only helps in controlling nematodes but also boosts the immune response of the host animal, making it a dual-action ingredient. It works by stimulating the nervous system of the parasites, leading to their paralysis and death.
- Diethylcarbamazine (DEC): Typically used in combination with other anthelmintics, DEC is effective against filarial worms and is known to enhance the efficacy of other wormers. It works by disrupting the metabolism of the worms, leading to their death and removal from the host.
- Botanical Extracts: Some feed through wormers incorporate natural ingredients, like garlic or pumpkin seed oil, which are believed to have antiparasitic properties. These extracts may support digestive health and act as a natural deterrent against worms without the side effects of synthetic chemicals.
- Mineral and Vitamin Additives: Quality feed through wormers often include essential vitamins and minerals that promote overall health in livestock, helping to mitigate the stress of parasitic infections. These supplements can enhance the animal’s immune function and resilience to reinfection.
How Can You Choose the Right Feed Through Wormer for Your Horse?
Choosing the right feed through wormer for your horse involves considering several important factors.
- Active Ingredients: Different feed through wormers contain various active ingredients that target specific types of parasites.
- Horse’s Age and Weight: The age and weight of your horse can influence the effectiveness and dosage of the wormer.
- Parasite Resistance: Some worms may develop resistance to certain wormers, making it crucial to choose a product that is effective against local parasite populations.
- Administration Method: Consider how easy it is to administer the wormer, as some products may be more palatable and easier to mix with feed.
- Veterinary Recommendations: Consulting with a veterinarian can provide tailored advice based on your horse’s health and local parasite prevalence.
Active Ingredients: Different feed through wormers contain various active ingredients that target specific types of parasites, such as fenbendazole or pyrantel. It’s important to read the label to assure that the wormer is effective against the parasites commonly found in your area.
Horse’s Age and Weight: The effectiveness and dosage of the wormer can vary depending on your horse’s age and weight. Young horses, older horses, or those with special health needs may require different formulations or dosages to ensure safety and efficacy.
Parasite Resistance: Some worms may develop resistance to certain wormers over time, which can lead to ineffectiveness. It’s essential to stay informed about local parasite resistance patterns and choose a product that has been proven to work against them.
Administration Method: The ease of administering the wormer can affect compliance and effectiveness. Some feed through wormers are designed to be palatable and easily mixed with feed, making it more likely that your horse will consume the full dose.
Veterinary Recommendations: Consulting with a veterinarian can provide tailored advice based on your horse’s health and local parasite prevalence. A vet can help you select the best feed through wormer and create an effective deworming schedule based on your horse’s individual needs.
What Are the Advantages of Using a Daily Feed Through Wormer?
Finally, these products can be more cost-effective over time. By minimizing the need for frequent veterinary interventions and ensuring that animals are consistently dewormed, owners can save money while maintaining the health of their livestock.
Which Common Brands Are Recommended for Effectiveness?
When considering the best feed through wormers for livestock and horses, several reputable brands stand out for their effectiveness:
- Purina’s EquiMix: This feed-through wormer is designed for horses and contains ingredients that help control a wide range of internal parasites. It is known for its ease of use, as it can be mixed directly into the regular feed, ensuring that animals receive their dosage without the need for additional handling.
- SmartPak’s SmartWormer: SmartWormer offers a combination of targeted ingredients that work effectively against various types of worms. The convenience of being available in a palatable form makes it easier for animals to consume, leading to better adherence to deworming schedules.
- Manna Pro’s Wormer: This brand provides a comprehensive formula that can control different kinds of internal parasites in horses. Manna Pro is praised for its quality and research-backed effectiveness, making it a trusted choice among horse owners.
- Farnam’s Ivermectin Paste: While primarily an oral paste, Farnam also offers feed-through options that contain ivermectin, a widely used active ingredient in deworming. The brand is well-regarded for its efficacy and safety, providing a reliable solution for parasite control.
- Durvet’s Equi-Spot: This is another effective option that can be added to feed, focusing on both internal and external parasites. Durvet is known for its strong formulation and the company’s commitment to quality, ensuring that livestock and horses remain healthy.
How Should You Administer a Feed Through Wormer for Best Results?
To achieve optimal results when administering a feed-through wormer, consider the following best practices:
- Choose the Right Product: Selecting a quality feed-through wormer specifically formulated for your animal’s needs is essential. Look for products that target the specific parasites prevalent in your area and are suitable for the age and health condition of your animals.
- Follow Dosage Instructions: It is crucial to adhere strictly to the manufacturer’s dosage recommendations. Under-dosing may lead to ineffective treatment, while over-dosing can cause toxicity or adverse reactions.
- Ensure Consistent Feeding: For the feed-through wormer to be effective, it must be mixed thoroughly with the regular feed and consumed consistently over the recommended period. This ensures a steady intake of the active ingredients, maximizing their effectiveness against parasites.
- Monitor Animal Health: After administration, keep a close eye on the animals for any signs of worm infestation or adverse reactions. Regular health checks can help you assess the effectiveness of the wormer and determine if additional treatment is necessary.
- Rotate Deworming Products: To prevent resistance, it’s advisable to rotate between different classes of dewormers. This practice helps ensure that the parasites do not become resistant to the active ingredients, maintaining the effectiveness of your worming strategy.
- Consult a Veterinarian: If you are unsure about the best feed-through wormer for your herd or how to administer it, consult a veterinarian. They can provide tailored advice based on your animals’ specific needs and local parasite challenges.