---
product_id: 16597782
title: "Farnam SimpliFly Feed Through Fly Control for Horses, 3.75 lbs, 60 Day Supply, EPA-Approved Pellets to Prevent Stable Flies in Manure – Safe, Palatable Daily Supplement for Fly Population Control"
brand: "farnam"
price: "Bs.1040"
currency: BOB
in_stock: true
reviews_count: 8
category: "Farnam"
url: https://www.desertcart.bo/products/16597782-farnam-simplifly-feed-through-fly-control-for-horses-3-75
store_origin: BO
region: Bolivia
---

# 60-day continuous protection 97% fly population reduction EPA-approved & science-backed Farnam SimpliFly Feed Through Fly Control for Horses, 3.75 lbs, 60 Day Supply, EPA-Approved Pellets to Prevent Stable Flies in Manure – Safe, Palatable Daily Supplement for Fly Population Control

**Brand:** farnam
**Price:** Bs.1040
**Availability:** ✅ In Stock

## Summary

> 🦄 Keep your stable fly-free and your horses happy—because peace of mind is the best feed!

## Quick Answers

- **What is this?** Farnam SimpliFly Feed Through Fly Control for Horses, 3.75 lbs, 60 Day Supply, EPA-Approved Pellets to Prevent Stable Flies in Manure – Safe, Palatable Daily Supplement for Fly Population Control by farnam
- **How much does it cost?** Bs.1040 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/16597782-farnam-simplifly-feed-through-fly-control-for-horses-3-75)

## Best For

- farnam enthusiasts

## Why This Product

- Trusted farnam brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Daily Routine:** Just one scoop a day keeps your stable a fly-free zone—perfect for busy horse owners.
- • **Proven Legacy of Excellence:** Backed by Farnam’s 75+ years of equine care expertise and thousands of satisfied users.
- • **Clean & Chemical-Free Control:** No organophosphates means safer for your horse, barn, and environment.
- • **Trusted Science, Trusted Safety:** EPA-approved formula ensures effective fly control without harmful chemicals.
- • **Break the Fly Cycle Before It Starts:** Targets larvae in manure to slash fly populations by up to 97% with daily use.

## Overview

Farnam SimpliFly Feed-Thru Fly Control is a palatable, EPA-approved daily supplement designed to disrupt the fly life cycle by targeting larvae in horse manure. Providing up to 97% reduction in stable and house flies, it offers a safe, chemical-free solution without organophosphates. Available in convenient sizes, SimpliFly is trusted by professionals and horse owners alike to maintain a cleaner, healthier stable environment throughout fly season.

## Description

When flies are a menace in your stable, it’s time to target them at their source – your horse’s manure. If not treated, the manure from one horse has the potential to produce tens of thousands of flies in a single day. Introduce SimpliFly Feed-Thru Fly Control to your horse’s daily diet, and suddenly you’re turning the favorite breeding grounds of stable and house flies into a No Fly Zone. When fed daily, SimpliFly Feed-Thru Fly Control breaks the house and stable fly life cycle by preventing fly larvae from developing in a horse’s manure. This fly growth regulator is made without organophosphates and will pass through your horse’s body unabsorbed. The feed will instead excrete the active ingredient diflubenzuron into their manure, preventing it from being a viable breeding ground. This product can be effectively started anytime during fly season, but for best results, beginning daily feeding in early spring before fly season is optimal. SimpliFly Feed-Thru Fly Control is a highly palatable mixture that your horse will readily eat and easily mixes in with their daily feed. As part of an integrated, pest management program, you can see a significant decline in this season’s house and stable fly population. Keep your stable happy and target the fly problem at its source with SimpliFly Feed-Thru Fly Control. Bugs don’t fly with Farnam, your partner in horse care.

Review: It works and is cost effective - It works. I’ll use it again next summer! I had a 95% reduction of flies with this and weekly spray down in my coops.
Review: IGR not insecticide. - Works on house flies and stable flies. Works really well too. Gnats and horse flies nope. Gnats still are in abundance though maybe have declined but seems they are persistent. Quite possibly has knocked down the gnats. This is all I really see covering the horse manure so I’m hopeful that several season/ years of this will steadily drop their numbers. Summer of 2025 has been our first try of this. And we started late in the season to see a noticeable difference in the house and stable flies. Will probably stop feeding come first frost in NC here and stock up for spring and summer. Highly recommend.

## Features

- Starts Working Before Flies Even Hatch---SimpliFly disrupts the fly life cycle by targeting larvae in manure—reducing fly populations by up to 97% when used daily.
- EPA-Approved for Safety and Effectiveness---Unlike some supplements, SimpliFly is EPA-approved, meaning it’s backed by science and trusted by professionals for proven fly control.
- Trusted Brand, Real Results---Farnam has been the gold standard in equine care for over 75 years. Join thousands of happy horse owners who rely on SimpliFly.
- Two Convenient Sizes - One Simple Routine---Available in 3.75 lb and 10 lb buckets. Just one scoop a day keeps flies away. Ideal for both single horse owners and busy barns.
- Clean, Targeted Fly Control - No Organophosphates---SimpliFly uses a targeted larvicide approach without harmful organophosphates, making it safer for your horse, your barn, and your peace of mind.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000HHM4TQ |
| ASIN  | B000HHM4TQ |
| Age Range Description | All Life Stages |
| Best Sellers Rank | #23,883 in Pet Supplies ( See Top 100 in Pet Supplies ) #9 in Horse Fly Repellents |
| Brand Name | Farnam |
| Breed Recommendation | All Breed Sizes |
| Color | Brown |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,422) |
| Date First Available | October 15, 2006 |
| Date First Available  | October 15, 2006 |
| Department | Pets |
| Department  | Pets |
| Directions | It is a violation of Federal law to use this product in a manner inconsistent with its labeling. DO NOT USE ON HORSES INTENDED FOR SLAUGHTER Feed the recommended dosage of FarnamÂ® SimpliFlyÂ® Feed-Thru Fly Control to each horse separately to make certain he receives his full portion. This product should be fed top dressed on grain or mixed with the horse's total ration to provide 6.8 mg of diflub… |
| Included Components | Farnam SimpliFly Feed-Thru Fly Control for Horses, Breaks and Prevents the House and Stable Fly Life Cycle, 3.75 lb., 60 Day Supply |
| Is Discontinued By Manufacturer  | Yes |
| Item Dimensions LxWxH | 5 x 6.5 x 7.5 inches |
| Item Package Dimensions L x W x H | 7.48 x 6.81 x 6.02 inches |
| Item Weight | 3.75 Pounds |
| Item model number | 100515881 |
| Item model number  | 100515881 |
| Manufacturer | Central Garden & Pet |
| Manufacturer  | Central Garden & Pet |
| Material | Yes |
| Model Name | SimpliFly Feed-Thru Fly Control |
| Number of Items | 1 |
| Product Dimensions  | 5 x 6.5 x 7.5 inches; 3.75 Pounds |
| Size | 3.75 Pound (Pack of 1) |
| Specific Uses for Product | Fly Control |
| Target Audience Keyword | horses |
| Warranty Description | Call with comments or questions: 800-234-2269 |

## Product Details

- **Age Range (Description):** All Life Stages
- **Brand:** Farnam
- **Flavor:** Flavorless
- **Item Form:** Pellet
- **Specific Uses For Product:** Fly Control

## Images

![Farnam SimpliFly Feed Through Fly Control for Horses, 3.75 lbs, 60 Day Supply, EPA-Approved Pellets to Prevent Stable Flies in Manure – Safe, Palatable Daily Supplement for Fly Population Control - Image 1](https://m.media-amazon.com/images/I/71kl+1uN75L.jpg)

## Questions & Answers

**Q: does it works for cows?**
A: I don’t think so. Cows are ruminates and horses aren’t.

**Q: Why won't it ship to my California address? What am I missing? I just bought one at the local Tractor Supply...here in Cali...**
A: I'm not sure what the answer is, but I have noticed there are numerous items I have ordered that are not shipped to California for different reasons.  Sorry I could not give you a more definite reason.

**Q: I lost the little measuring cup.  Can someone tell me exactly how much it holds when it is full?**
A: It looks to be about 1/8 ounce.

**Q: Hi, do you have a product called ralone duo top or some other product to cattle weight gain?**
A: no

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works and is cost effective
*by K***G on January 16, 2026*

It works. I’ll use it again next summer! I had a 95% reduction of flies with this and weekly spray down in my coops.

### ⭐⭐⭐⭐⭐ IGR not insecticide.
*by W***N on September 6, 2025*

Works on house flies and stable flies. Works really well too. Gnats and horse flies nope. Gnats still are in abundance though maybe have declined but seems they are persistent. Quite possibly has knocked down the gnats. This is all I really see covering the horse manure so I’m hopeful that several season/ years of this will steadily drop their numbers. Summer of 2025 has been our first try of this. And we started late in the season to see a noticeable difference in the house and stable flies. Will probably stop feeding come first frost in NC here and stock up for spring and summer. Highly recommend.

### ⭐⭐⭐⭐⭐ For us a 95% reduction of on farm flies
*by D***G on August 13, 2025*

Awesome product. 2 weeks after we started using it we noticed the flies were gone. Saves a lot of money and hassle of using fly spray daily that never really worked. For us it reduced our on farm fly population by 95%. It's wonderful be able to be outside around the horses and yard, and don't forget the barn without the flies attacking us all the time. It also pays for itself by not buying gallon after gallon of fly spray.

## Frequently Bought Together

- Farnam SimpliFly Feed Through Fly Control for Horses, Breaks the Fly Life Cycle, Pellets, 3.75 Pound Bucket, 60 Day Supply for One Horse
- Farnam Repel-X pe Concentrated Fly Spray for Horses, Just Add Water 16 Ounces
- Farnam Repel-X Ready-To-Use Fly Spray, Insecticide And Repellent For Horses And Dogs, 32 Fluid Ounces, 1 Quart Bottle With Trigger Sprayer

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-27*