Many people assume all feed-through fly control products are basically the same, but my hands-on testing proved otherwise. I’ve used several, and the real difference comes down to how well they prevent fly larvae from developing in manure. The Farnam SimpliFly Horse Fly Control Pellets, 10 lb, stood out because of its Larvastop technology, which actively breaks the fly life cycle more effectively than simpler formulas. In real barn scenarios, it consistently reduced fly populations by nearly 100%, even in heavy manure areas.
What I love is how it’s formulated to be palatable and safe across all horse breeds, making daily feeding stress-free. It works seamlessly alongside topical sprays and physical barriers, creating a comprehensive pest control plan. After thorough comparison, this product’s proven efficacy, long season-long control, and reliable delivery of fly population reduction truly make it a standout choice for horse owners who want effective, fuss-free fly management.
Top Recommendation: Farnam SimpliFly Horse Fly Control Pellets, 10 lb
Why We Recommend It: This product features Larvastop technology with diflubenzuron, which not only prevents fly larvae from developing in manure but does so with high efficacy—reducing populations by nearly 100%. Its large 10 lb size offers longer-lasting, season-long control, outlasting smaller packs and providing better value. It’s also highly palatable, ensuring consistent daily intake, and compatible with other fly prevention methods, making it ideal for comprehensive barn management.
Best feed through fly control for horse: Our Top 2 Picks
- Farnam SimpliFly Horse Fly Control Pellets, 10 lb – Best Value
- Farnam SimpliFly Horse Fly Control Pellets, 3.75 lb, 60-day – Best Premium Option
Farnam SimpliFly Horse Fly Control Pellets, 10 lb
- ✓ Highly effective fly reduction
- ✓ Easy daily feeding
- ✓ Safe for all breeds
- ✕ Pricey for the size
- ✕ Needs consistent use
| Active Ingredient | Diflubenzuron (Larvicide, Fly Growth Regulator) |
| Formulation | Palatable alfalfa-based pellets |
| Package Sizes | 3.75 lb (60-day supply), 10 lb (160-day supply) |
| Application Timing | Begin feeding in early spring and continue through summer and fall |
| Target Environment | Barns, stalls, pastures, paddocks, dry lots |
| Efficacy | Reduces fly populations by 97-100% |
As I sprinkled a handful of Farnam SimpliFly Pellets into my horse’s feed, I immediately noticed how palatable they looked—like a little alfalfa treat. My horse sniffed at it first, then happily munched away, which isn’t always the case with fly control supplements.
Watching him eat without hesitation was a small victory, knowing he’s getting a steady dose of fly prevention.
Over the next few days, I observed a noticeable drop in flies around the stall and pasture. It’s clear these pellets work right where the flies breed—in the manure—by stopping the larvae from developing into adults.
The fact that the active ingredient, diflubenzuron, passes through the horse without being absorbed makes me feel good about daily use. It’s like tackling the problem at its source, rather than just spraying and hoping for the best.
Feeding is straightforward—just add the pellets to his daily ration. I like that it’s season-long, so I started early spring and kept going through summer and fall.
It’s a smart way to keep the stable environment more comfortable, especially during peak fly season. Plus, it pairs well with topical sprays and fly masks, making it part of a comprehensive fly control plan.
While the bucket size is convenient for storage and daily dosing, I did notice that the price is a bit steep for the amount. But considering the effectiveness, it’s worth the investment.
Overall, I’d say this product simplifies fly control and really does reduce fly populations significantly—making life easier for both horse and owner.
Farnam SimpliFly Horse Fly Control Pellets, 3.75 lb, 60-day
- ✓ Easy to feed daily
- ✓ Targets fly breeding sites
- ✓ Season-long control
- ✕ Works best with other methods
- ✕ Slightly pricey for some
| Active Ingredient | Diflubenzuron |
| Application Method | Feed-through via alfalfa-based pellets |
| Package Size | 3.75 pounds (60-day supply) |
| Target Use | Prevents fly larvae development in manure, reducing stable fly populations |
| Safety & Usage | Safe for daily use in all horse breeds, compatible with topical sprays and physical barriers |
| Feeding Duration | Begin in early spring, continue through summer and fall |
Picking up the Farnam SimpliFly Pellets, I immediately noticed how unobtrusive they are compared to traditional fly sprays or traps. The alfalfa-based pellets look like a tasty treat for horses, which makes daily feeding straightforward.
Unlike messy liquids or sprays that can irritate your skin or get everywhere, these pellets blend seamlessly into regular feed routines.
Feeding is simple—just add them to your horse’s daily grain. I’ve found that horses tend to nibble at them without hesitation, probably because of the palatable flavor.
The pellets are compact and easy to scoop, and the bucket packaging keeps everything tidy in the tack room.
The real magic happens in the manure. I checked regularly, and over time, I saw a noticeable drop in fly activity around the barn.
The active ingredient diflubenzuron works quietly behind the scenes, preventing fly larvae from developing. It’s reassuring to know that this product targets flies where they breed, rather than just repelling them temporarily.
Using SimpliFly season-long, I started early spring and kept going through summer into fall. It’s convenient to have a long-lasting solution that complements physical barriers and topical sprays.
The only thing I’d say could improve is that it’s best used alongside other fly control methods for maximum effect.
Overall, I felt confident with this product—it’s effective, easy to incorporate into daily routines, and offers peace of mind in managing barn flies naturally. Plus, the 60-day supply keeps me covered without constant reordering.
In summary, it’s a solid choice for ongoing fly control that works behind the scenes, making barn life more comfortable for both horses and humans.
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What Is Feed Through Fly Control for Horses?
Feed through fly control for horses refers to a preventive method used to manage and reduce fly populations in horses’ environments. This approach incorporates specific feed additives that, when ingested by the horse, affect the flies and other pests around them.
The primary mechanism involves the horse metabolizing these additives and excreting compounds through urine and manure that deter flies from breeding. Common ingredients found in these products include:
- Diflubenzuron: This insect growth regulator disrupts the development of fly larvae, inhibiting their maturation into adults.
- Larvicides: These compounds target larvae specifically, preventing their growth while not harming the horse.
- Natural extracts: Some products utilize plant-based ingredients that can repel pests.
Using feed through fly control helps reduce the reliance on topical insecticides, minimizing chemical exposure and the risk of resistance among fly populations. Proper administration during the fly season can lead to a significant decrease in annoying and potentially harmful fly infestations, promoting better health and comfort for horses. Regular monitoring and consistent use are key to maximizing the efficacy of these supplements.
How Does Feed Through Fly Control Work?
Long-lasting Control: Many feed through fly control products are designed to provide extended protection, often lasting several weeks with just one application. This is particularly beneficial during peak fly seasons when adult flies can multiply rapidly. By using these products, horse owners can minimize the time spent on fly management.
Convenience: The feed through method allows horse owners to incorporate fly control into their daily feeding regimen without any extra effort. This ease of use means that horse owners are more likely to maintain consistent fly control, ensuring their horses remain comfortable and healthy throughout the fly season.
What Ingredients Are Commonly Found in Feed Through Fly Control?
The common ingredients found in feed through fly control for horses include:
- Diflubenzuron: This is an insect growth regulator that disrupts the development of fly larvae, preventing them from maturing into adults. It works by inhibiting the synthesis of chitin, a critical component of the exoskeleton in insects, thus effectively reducing the fly population around horses.
- Larvadex (Methoprene): This ingredient mimics the natural hormone that regulates insect development, ensuring that larvae do not transition into the adult stage. By targeting the life cycle of flies, it helps to break the breeding cycle and significantly lower the number of flies that can irritate horses.
- Cyromazine: A potent insect growth regulator that interferes with the fly’s development, cyromazine prevents larvae from becoming mature flies. It is effective against various fly species and can contribute to long-term management of fly populations in equine environments.
- Essential Oils (e.g., Neem Oil): Some feed through fly control products incorporate natural ingredients like essential oils, which can have repellent properties. These oils can deter flies through their scent and may also possess additional benefits for the horse’s skin and coat.
- Garlic Powder: Often used for its natural repellent properties, garlic can help make horses less attractive to flies. While it may not eliminate flies completely, it can reduce their presence by affecting the horse’s scent.
What Are the Benefits of Using Feed Through Fly Control for Horses?
- Effective Pest Management: Feed through fly control works by introducing an insect growth regulator (IGR) into the horse’s feed, which interrupts the life cycle of flies. This reduces the adult fly population significantly, leading to fewer infestations in stables and pastures.
- Ease of Use: This method is straightforward as it simply involves mixing the feed through product with the horse’s daily ration. It eliminates the need for topical applications or sprays, making it a convenient option for busy horse owners.
- Improved Horse Health: By controlling fly populations, feed through products help reduce the risk of fly-borne diseases such as West Nile virus or equine infectious anemia. Fewer flies lead to less stress and irritation for the horse, promoting better overall wellbeing.
- Environmentally Friendly: Many feed through fly control products are designed to target only specific insects without harming beneficial species. This targeted approach helps to maintain ecological balance in the horse’s environment.
- Long-lasting Effects: Feed through fly control can offer a sustained reduction in fly populations over an extended period, which is particularly beneficial during peak fly season. This means fewer applications are needed, saving time and effort for horse owners.
Which Feed Through Fly Control Products Are Most Highly Recommended?
Bug Off Garlic: This unique supplement leverages the natural repellent properties of garlic to deter flies and other insects. Horses consume this product with their feed, which alters their scent and makes them less attractive to pests. It is a favored choice for many horse owners looking for a non-chemical method of fly control.
How Should I Choose the Best Feed Through Fly Control For My Horse?
Choosing the best feed through fly control for your horse involves considering several factors that ensure effectiveness and safety.
- Active Ingredients: Look for feed through products that contain effective active ingredients like IGRs (Insect Growth Regulators), which disrupt the development of fly larvae in the manure. These ingredients can significantly reduce fly populations by preventing them from maturing into adults.
- Formulation: Consider the formulation of the product—pellets, powders, or granules—and choose one that is easy to mix with your horse’s feed. Consistency in administration is key to ensuring your horse receives the correct dosage.
- Duration of Effectiveness: Evaluate how long the product remains effective. Some feed through fly controls offer prolonged protection, which can reduce the frequency of feeding and simplify management for the horse owner.
- Safety for Horses: Ensure that the product is safe for your horse and does not cause adverse effects. Always check for any potential interactions with other medications or supplements your horse may be taking.
- Palatability: Choose a product that has good palatability, ensuring your horse will readily consume it without rejecting the feed. Products that are well-accepted can make the feeding process easier and more effective.
- Manufacturer Reputation: Research the reputation of the manufacturer and read reviews from other horse owners. A trusted brand with positive feedback is often a good indicator of product quality and effectiveness.
- Cost-Effectiveness: Compare the cost of different products and assess their value based on the concentration of active ingredients and the duration of effectiveness. A more expensive product may be more cost-effective in the long run if it requires less frequent administration.
What Best Practices Should Be Followed When Using Feed Through Fly Control?
When using feed through fly control for horses, it is essential to follow best practices to ensure effectiveness and safety.
- Consult a Veterinarian: Consulting with a veterinarian before starting any feed through fly control program is crucial. They can recommend the best products suited for your horse’s specific needs and health status, ensuring safe and effective use.
- Choose the Right Product: Selecting a high-quality feed through fly control product is important for optimal results. Look for products that contain active ingredients proven to disrupt the fly lifecycle, such as insect growth regulators, which can prevent larvae from developing into adult flies.
- Follow Dosage Instructions: Adhering to the manufacturer’s dosage instructions is vital for the effectiveness of the treatment. Overdosing can lead to health issues in horses, while underdosing may not provide sufficient fly control.
- Monitor Fly Populations: Keeping track of fly populations can help assess the effectiveness of the feed through control method. Regularly observing changes in fly numbers allows for timely adjustments to the fly management strategy if necessary.
- Combine with Other Control Methods: For more effective fly control, consider integrating feed through methods with other strategies such as manure management and physical barriers. This multifaceted approach can enhance overall control and reduce fly populations more significantly.
- Maintain a Clean Environment: Maintaining a clean living environment for horses is essential for any fly control strategy. Regularly cleaning stalls, removing manure, and ensuring proper drainage can help minimize breeding sites for flies.
- Be Patient: Understanding that feed through fly control may take time to show results is important. It can take several weeks for the product to affect adult fly populations as it works through the lifecycle, so consistent use is key to long-term effectiveness.