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Controlling flies around horses is essential for their health and comfort. Feed thru fly control products offer an effective way to reduce fly populations by targeting larvae in manure.
These products work by passing through the horse’s digestive system, preventing fly larvae from developing. This reduces the number of adult flies in stables and pastures. Choosing the right feed thru fly control can make a big difference. Options like Formula 707 MultiFly, Farnam SimpliFly, and Equi-Spot provide safe and palatable solutions.
They help keep horses comfortable without harsh chemicals. Regular use supports a cleaner environment for horses, reducing irritation and disease risk. Understanding how these products work and their benefits can help horse owners maintain a healthier stable.
Formula 707 Multifly Feed-thru Fly Control Pellets For Horses

The Formula 707 MultiFly Feed-Thru Fly Control Pellets for Horses are ideal for horse owners looking for an effective and safe way to reduce fly populations around their animals. If you want a palatable, easy-to-administer solution that fits seamlessly into your horse’s diet while helping maintain a comfortable and healthy environment, this product is perfect for you.
Pros:
- Contains 91 servings in a convenient 5 lb bag
- Formulated by the reputable John Ewing Company
- Palatable and safe for horses
- Effective feed-thru fly control that targets fly populations at the source
- Easy to administer with regular feed
Cons:
- May require consistent daily use for optimal results
- Not an immediate fly elimination solution; works over time
The Formula 707 MultiFly Feed-Thru Fly Control Pellets are designed to be mixed into your horse’s regular feed, making it simple to incorporate into daily routines. These pellets work by interrupting the life cycle of flies, reducing the number of flies that emerge from manure, which in turn decreases the overall fly population around your horses. This proactive approach is safer and less harsh than many topical fly control methods, providing long-term benefits.
In addition to being effective, the pellets are formulated to be highly palatable, ensuring that horses readily consume them without fuss. The safety profile of the product means horse owners can use it with confidence, knowing it won’t negatively impact their animals. With a trusted brand like Formula 707 and manufacturing by John Ewing Company, users receive a quality product backed by expertise in pet and animal care.
Farnam Simplifly Feed Through Fly Control For Horses

The Farnam SimpliFly Feed Through Fly Control for Horses is ideal for horse owners seeking an effective and safe solution to manage fly populations around their stables. This product is perfect for those who want a hassle-free, palatable daily supplement that prevents stable flies from breeding in manure, ensuring a more comfortable environment for their horses. If you’re looking for an EPA-approved, reliable fly control method that supports your horse’s well-being, this item is an excellent choice.
Pros:
- EPA-approved formula ensures safety and effectiveness.
- Palatable pellets that horses readily consume.
- Long-lasting 60-day supply for extended protection.
- Easy to administer as a daily feed supplement.
- Helps prevent stable flies by breaking their life cycle in manure.
Cons:
- Limited to use in horses; not suitable for other livestock.
- Requires consistent daily feeding for best results.
- Effectiveness depends on proper manure management.
The Farnam SimpliFly Feed Through Fly Control is designed with a unique pellet formula that targets stable fly larvae in horse manure, disrupting the fly breeding cycle. This feature is crucial because it tackles the problem at the source, reducing adult fly populations naturally without harsh chemicals. The pellets are brown in color and sized for easy feeding, making it simple to incorporate into your horse’s daily diet. With dimensions of 7.5 inches in height, 6.5 inches in width, and 5.0 inches in length, and weighing 3.75 pounds, this product offers a substantial quantity for continuous use.
By using this feed-through supplement, horse owners benefit from a safer stable environment, as it minimizes the presence of biting stable flies that cause discomfort and stress to horses. This not only improves the overall health and mood of the animals but also helps in maintaining cleaner stalls and reducing the need for additional fly control measures. Manufactured by Central Garden & Pet under the trusted Farnam brand, this product brings confidence and convenience to fly management routines.
Farnam Equitrol Ii Feed-through Fly Control For Horses

The Farnam Equitrol II Feed-Through Fly Control for Horses is ideal for horse owners seeking an effective and hassle-free solution to reduce fly populations around their animals. This product is perfect for those who want a highly palatable feed additive that can be easily incorporated into their horse’s daily diet, providing long-lasting fly control without the need for sprays or topical applications. If you are looking to improve your horse’s comfort and health by minimizing fly-related irritations, this 320-day supply bucket is an excellent choice.
Pros:
- Highly palatable feed additive that horses readily consume
- Long-lasting 320-day supply for one horse
- Easy to use feed-through system
- Reduces fly populations effectively, improving horse comfort
- Comes in a convenient 20-pound bucket with manageable dimensions (9.75 x 10.5 x 10.5 inches)
- Manufactured by trusted brand Farnam, under Central Garden & Pet
Cons:
- Intended for use with only one horse per bucket
- Results may vary depending on fly pressure and environmental factors
The Farnam Equitrol II Feed-Through Fly Control works by targeting the fly life cycle through the horse’s manure, interrupting the development of fly larvae. This innovative approach ensures that flies are controlled at the source, reducing the overall fly population around your horse’s environment. By adding this brown-colored feed additive to your horse’s daily ration, you can enjoy a cleaner, more comfortable stable without the mess and smell of traditional fly sprays.
Additionally, the product’s highly palatable formulation encourages consistent consumption, ensuring continuous fly control throughout the season. The 20-pound bucket provides a substantial 320-day supply for one horse, making it a cost-effective and low-maintenance solution for long-term fly management. With its compact size and trusted brand reputation, Farnam Equitrol II offers horse owners a convenient and efficient way to protect their animals from the discomfort and health risks associated with flies.
Solitude Igr

The Solitude IGR 6lb is ideal for pet owners and veterinary professionals seeking an effective solution for flea control. This product is specifically designed for those who want to protect their pets and living environments from flea infestations with a reliable and easy-to-use option. If you value a trustworthy brand and efficient pest management, the Solitude IGR 6lb is a great choice.
Pros:
- Produced by the reputable Pfizer brand ensuring quality and safety.
- Manufactured by IOWA VETERINARY SUPPLY CO, a trusted name in veterinary products.
- Compact and convenient 6-pound weight for easy handling and storage.
- Multicolored design for easy identification.
- Ideal dimensions (6.0 inches height, 8.0 inches width, and length) fit well in various spaces.
Cons:
- May be too large for very small pets or limited use cases.
- Specific to flea control, so not a multi-purpose pest solution.
The Solitude IGR 6lb features an innovative insect growth regulator formula that targets flea populations at multiple life stages. This ensures a comprehensive approach to flea elimination by preventing eggs and larvae from developing into adult fleas, which helps break the cycle of infestation effectively. Users benefit from long-lasting protection, reducing the need for frequent treatments and enhancing pet comfort.
Additionally, the product’s carefully designed dimensions and weight make it easy to store and apply in various settings, from veterinary clinics to home environments. Its multicolored packaging aids in quick recognition, ensuring users can easily identify the product among other pest control supplies. Overall, the Solitude IGR 6lb offers a practical and trusted solution for maintaining a flea-free environment, contributing to healthier pets and happier households.
Equicare Simplifly

The Equicare Simplifly with Larvastop, 20 Pound is ideal for horse owners and equine caretakers looking for an effective and easy-to-use fly control solution. If you want to protect your horses from irritating flies and larvae while ensuring their comfort and health, this product is designed for you.
Pros:
- Effective fly and larva control with Larvastop technology
- Large 20-pound size suitable for extended use
- Durable and practical container with compact dimensions (12.25″ H x 11.75″ W x 9.5″ L)
- Trusted brand Farnam, manufactured by Central Garden & Pet
- White color that easily fits into any stable environment
Cons:
- May require frequent application in high fly-population areas
- Relatively heavy at 20 pounds, which might be less convenient for portability
The Equicare Simplifly with Larvastop is formulated to provide reliable protection against flies and their larvae, helping to maintain a healthier environment for your horses. Its active ingredients work efficiently to disrupt the fly life cycle, reducing irritation and potential disease transmission. The product’s large size ensures long-lasting coverage, making it a cost-effective choice for stables of various sizes.
Designed by Farnam and manufactured by Central Garden & Pet, this product comes in a sturdy white container that measures 12.25 inches in height, 11.75 inches in width, and 9.5 inches in length. Its considerable weight of 20 pounds means it holds a substantial amount of material, suitable for regular use in busy equine environments. Overall, this fly control solution combines practicality with powerful performance, making it a valuable addition to your horse care routine.
Farnam Equi-spot Horse Fly Control

The Farnam Equi-Spot Horse Fly Control is ideal for horse owners seeking an effective and long-lasting solution to protect their horses from bothersome flies. If you want to provide your horse with continuous fly protection without frequent applications, this product is perfect for you. It’s especially suitable for those who prioritize convenience and want a reliable defense against horse flies during the warmer months.
Pros:
- Provides long-lasting protection for up to 12 weeks with just 6 applications
- Easy-to-use spot-on formula that is clear and non-greasy
- Lightweight and compact packaging for convenient storage and transport
- Effective against a wide variety of horse flies and biting insects
- Produced by a trusted brand, Farnam, known for quality equine care products
Cons:
- Designed for one horse only, so may require multiple purchases for multiple animals
- Requires consistent application every two weeks to maintain effectiveness
- Not suitable for use on other types of animals or insects outside of horse flies
The Farnam Equi-Spot features a clear, easy-to-apply formula that targets horse flies efficiently, providing a protective barrier on your horse’s skin. Its long-lasting capability means fewer applications are needed, saving time and effort for horse owners. The product’s compact size and lightweight design make it easy to store and carry, ensuring that protection can be maintained even when traveling or competing.
Manufactured by Central Garden & Pet, this fly control solution has dimensions of 6.77 inches in height, 1.35 inches in width, and 4.28 inches in length, weighing only 0.128 pounds. These specifications make it a practical choice for any horse owner looking for an effective, durable, and manageable fly control option. Overall, the Farnam Equi-Spot offers a reliable and convenient way to keep horses comfortable and protected throughout fly season.
Frequently Asked Questions
What Is Feed-thru Fly Control For Horses?
Feed-thru fly control involves feeding horses pellets that disrupt fly larvae development. This reduces stable fly populations safely and effectively.
How Does Formula 707 Multifly Work?
Formula 707 MultiFly pellets pass through manure, killing fly larvae before they mature. It’s palatable and safe for daily use.
Are Farnam Simplifly Pellets Safe For Horses?
Yes, Farnam SimpliFly is EPA-approved and safe. It prevents stable flies by targeting larvae in manure without harming horses.
How Long Does Farnam Equitrol Ii Supply Last?
A 20-pound bucket of Farnam Equitrol II lasts about 320 days for one horse, providing long-term fly control.
What Is The Benefit Of Equicare Simplifly With Larvastop?
Equicare Simplifly with Larvastop offers effective fly population control by stopping larvae development, improving horse comfort naturally.
How Often Should I Apply Farnam Equi-spot?
Farnam Equi-Spot provides long-lasting protection with six applications over 12 weeks, reducing adult fly presence around horses.
Conclusion
Choosing the right feed-thru fly control helps keep your horse comfortable and healthy. These products reduce fly populations by targeting larvae in manure. They are easy to use and safe for daily feeding. Regular use means fewer flies bothering your horse during warm months.
Each option offers different benefits, like long-lasting effects or quick action. Consider the size of your stable and how many horses you have. Also, check the product’s feeding instructions carefully. Consistency is key to effective fly control. Remember, less flies mean less stress and better health for your horse.
With the right feed-thru fly control, you can enjoy a more peaceful barn environment. Protect your horse from flies naturally and safely. Start using these products early in the season for best results. Your horse will thank you with better comfort and fewer fly-related problems.
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