Best Fly Spray for Barns: Top Picks to Keep Pests Away

You’ll want fly sprays like Farnam Repel-X, Absorbine UltraShield EX, and Farnam Broncoe for effective pest control in your barn.

These sprays target flies, mosquitoes, ticks, and more while keeping your animals comfortable with safe, non-oily formulas.

Consider metered sprays for consistent coverage and botanical options like Zep Enforcer for outdoor use.

Each product varies in duration and ease of application, so it’s key to pick what suits your barn’s needs. Keep going to discover which spray fits you best.

Key Takeaways

• Effective barn fly sprays kill and repel multiple pests including flies, mosquitoes, gnats, fleas, and ticks for comprehensive protection.
• Long-lasting formulas like Absorbine UltraShield EX provide up to 17 days of pest control, reducing the frequency of applications.
• Automatic dispensers with metered sprays ensure consistent coverage and hassle-free, continuous fly control in barn environments.
• Non-oily, water-based sprays with natural ingredients minimize residue and are safer for animals’ skin and respiratory health.
• Proper spray placement and adherence to safety guidelines prevent contamination and protect livestock and pets from harmful chemicals.

Farnam Repel-X Fly Spray Insecticide and Repellent for Horses and Dogs, 32 oz

If you’re managing horses or dogs in a barn, Farnam Repel-X Fly Spray offers a reliable solution to keep pests at bay.

This ready-to-use spray kills and repels six fly species, mosquitoes, gnats, fleas, and ticks. You can apply it easily with a trigger spray or wipe-on method, directly on animals, stalls, blankets, and fabrics.

Just avoid eyes and mucous membranes, and reapply daily or as needed for best results. Trusted since 1957, it’s Farnam’s best-selling fly spray, known for its strong customer loyalty.

Best For: Horse and dog owners looking for an effective, ready-to-use insecticide and repellent to control flies, mosquitoes, gnats, fleas, and ticks in barns and on animals.

Pros:

• Kills and repels multiple pests including six fly species, mosquitoes, gnats, fleas, and ticks.
• Easy application via trigger spray or wipe-on, suitable for animals and various surfaces.
• Trusted, best-selling formula since 1957 with strong customer loyalty.

Cons:

• It may require daily or frequent reapplication for optimal effectiveness.

Absorbine UltraShield EX 128oz Insecticide for Horses and Dogs

For barn owners seeking a powerful and long-lasting solution, Absorbine UltraShield EX delivers reliable protection against over 70 types of pests affecting horses, dogs, and their surroundings.

This 128oz insecticide features a weatherproof, ready-to-use formula with UltraBond Technology, keeping flies, ticks, fleas, and mosquitoes at bay for up to 17 days.

You can spray it directly on your animals or around your barn, stables, and even indoors. Users praise its immediate effectiveness and added benefits like coat conditioning and a pleasant scent.

Best For: Barn owners and pet owners seeking a long-lasting, effective insecticide to protect horses, dogs, and their environment from a wide range of pests.

Pros:

• Provides up to 17 days of weatherproof protection against over 70 pest species.
• Ready-to-use, water-based formula with added coat conditioners and a pleasant scent.
• Versatile for use on animals, barns, stables, and even indoors.

Cons:

• Effectiveness duration on pets may be shorter than 17 days, requiring more frequent application.

Country Vet Pack of 3 Metered Fly Spray 6.4 Ounce Cans

Anyone managing barns, horse stalls, or enclosed animal spaces will appreciate the Pack of 3 Metered Fly Spray 6.4 Ounce Cans for its reliable and long-lasting insect control.

You’ll enjoy the consistent coverage thanks to the metered spray mechanism, which effectively kills and repels flies, mosquitoes, and other pests without harming your animals.

The cans fit automatic dispensers easily, releasing a pleasant fragrance without leaving sticky residue. Perfect for areas up to 600 sq ft, this pack offers cost-effective protection, reducing fly activity considerably.

Many users recommend it for hassle-free fly management in barns, homes, and family spaces alike.

Best For: Barn owners, horse stall managers, and families seeking effective, long-lasting fly and insect control in enclosed animal spaces and homes.

Pros:

• Provides consistent, metered spray coverage that effectively kills and repels flies, mosquitoes, and other pests.
• Easy to set up in automatic dispensers with a pleasant fragrance and no sticky residue.
• Cost-effective solution with each 6.4-ounce can lasting a long time, covering areas up to 600 sq ft.

Cons:

• Effectiveness depends on proper dispenser use and placement for best results.

Zep Enforcer Country Vet Metered Fly Control Spray Refill (30 Day Supply)

Those seeking a reliable and long-lasting fly control solution for outdoor barn environments will appreciate the Zep Enforcer Country Vet Metered Fly Control Spray Refill.

This 6.4-ounce can delivers a 30-day supply, releasing a botanical insecticide every 15 minutes to combat flies, mosquitoes, gnats, and small moths.

With 0.975% pyrethrins, it kills pests effectively while leaving a fresh outdoor scent. Designed specifically for barns, stalls, and patios, it’s not recommended indoors.

Users praise its rapid action and ease of use with automatic dispensers. If you want consistent, hassle-free fly control, this refill is a smart choice for your barn.

Best For: Those who need effective, long-lasting fly and insect control in outdoor barn, stall, or patio settings using an automatic dispenser system.

Pros:

• Provides a consistent 30-day supply with automatic sprays every 15 minutes
• Contains botanical pyrethrins for effective killing of flies, mosquitoes, gnats, and moths
• Leaves a fresh outdoor scent and is easy to use with metered dispensers

Cons:

• Smaller 6.4-ounce can may require frequent refills for larger areas

Metered Insecticide Fly Spray – 6.4 oz (Case of 12)

Farmers and barn managers who need reliable, automatic fly control will appreciate the Metered Insecticide Fly Spray – 6.4 oz (Case of 12).

This spray targets gnats and small flying moths, working effectively in dispensers that release every 15 minutes.

You’ll notice fewer flies within days, creating a more comfortable environment for your animals and yourself.

Just remember to secure the dispenser at least 7 feet off the ground in well-ventilated areas and follow safety guidelines, like closing milk tank lids.

Users praise its subtle scent, safety around livestock, and consistent performance, making it a smart choice for pest-free barns.

Best For: Farmers and barn managers seeking an automatic, effective solution for controlling gnats and small flying moths in livestock areas.

Pros:

• Provides consistent fly control with automatic dispensers releasing spray every 15 minutes.
• Safe for use around livestock and pets when following guidelines.
• Subtle scent that improves barn environment without being overpowering.

Cons:

• May requires proper placement at least 7 feet off the ground for optimal effectiveness.
• May not be suitable for direct application into sewers, drains, or water drainage areas.

AMREP 074026 2 Piece Country Vet Equine Mosquito/Flying Insect Control Kit

If you need reliable, around-the-clock protection from mosquitoes and flying insects in your barn or stable, the AMREP 074026 2 Piece Country Vet Equine Mosquito/Flying Insect Control Kit delivers just that.

This kit includes a 6.9-ounce spray can and an automatic dispenser that you can easily set up to release pyrethrin-based insecticide at timed intervals.

It’s designed specifically for barn stalls and outdoor areas with heavy insect activity. Users praise its effectiveness in drastically reducing mosquitoes and flies.

Lightweight and modern in design, it offers two spray levels, making your animals more comfortable without constant manual spraying.

Best For: Barn and stable owners looking for effective, automatic mosquito and flying insect control to protect their equine animals.

Pros:

• Provides 24-hour continuous insect control with automatic dispenser
• Easy to set up and use with adjustable spray intervals and two spray levels
• Contains pyrethrin, effective for killing and repelling mosquitoes and flies

Cons:

• May have limited detailed instructions on usage and timing settings.
• May require battery replacements for long-term use

County Vet FarmGard Farm and Dairy Fly Spray (16 oz, Case of 6)

You’ll find County Vet FarmGard Farm and Dairy Fly Spray (16 oz, Case of 6) perfect for managing a variety of barn pests quickly and effectively.

It targets flies, mosquitoes, wasps, gnats, and moths, making it ideal for horse barns and coops.

To use, calculate your barn’s cubic footage, close doors and windows, then spray in sweeping motions—2-3 seconds per 1,000 cubic feet for general pests, longer for moths.

Customers rave about its effectiveness and often reorder in bulk due to local shortages. This spray keeps your animals comfortable and your barn pest-free with ease.

Best For: Farmers, barn owners, and animal caretakers looking for an effective, easy-to-use fly and pest control solution for barns, coops, and livestock areas.

Pros:

• Provides rapid and broad-spectrum control of flies, mosquitoes, wasps, gnats, and moths.
• Suitable for both indoor and outdoor use in various farm settings like horse barns.
• Highly praised by customers for its effectiveness and reliable availability when purchased in bulk.

Cons:

• May requires careful measurement and application based on cubic footage for best results.
• May require proper ventilation after use, especially in enclosed spaces like milking parlors.

Bonide Chemical Co Inc 46177 Barn and Stable Concentrate

Bonide Chemical Co Inc 46177 Barn and Stable Concentrate suits anyone managing multiple types of livestock who needs thorough pest control.

It protects horses, cattle, goats, sheep, swine, poultry, and dogs from a broad range of pests including flies, ticks, fleas, and mosquitoes.

You can apply it as a spray, fog, dip, or through automatic systems, making it highly versatile for barns, stables, kennels, and outdoor areas.

Its fast-acting permethrin formula works for up to four weeks, delivering long-lasting relief.

Users praise its quick fly reduction, though some experience variable immediate effectiveness. Overall, it’s a reliable choice for thorough pest management.

Best For: Livestock owners and managers seeking effective, long-lasting pest control for a variety of animals and environments such as barns, stables, and outdoor facilities.

Pros:

• Broad-spectrum pest control protecting multiple types of livestock from flies, ticks, fleas, mosquitoes, and more.
• Versatile application options including spray, fog, dip, and automatic systems for different settings.
• Fast-acting permethrin formula that provides up to four weeks of pest control.

Cons:

• May require reapplication or supplemental control methods for severe infestations.

REVENGE Horse & Stable Fly Spray Insecticide (32 oz)

Those managing mixed livestock and pets will find REVENGE Horse & Stable Fly Spray a versatile choice, thanks to its broad-spectrum protection against flies, ticks, and mites.

This ready-to-use 32 oz spray targets a wide range of pests, including horn flies, mosquitoes, lice, and spiders, making it ideal for horses, cattle, goats, poultry, and dogs.

You can apply it outdoors around lawns and building foundations or use spot treatments indoors. The fast-acting formula lasts up to four weeks.

Best For: Livestock and pet owners seeking broad-spectrum insect protection for horses, cattle, goats, poultry, and dogs both indoors and outdoors.

Pros:

• Provides fast-acting, long-lasting (up to 4 weeks) control of a wide variety of pests including flies, ticks, mites, and mosquitoes.
• Ready-to-use spray with a convenient nozzle for easy application around animals and property.
• Safe for use around multiple animal species, including pets and various livestock.

Cons:

• May be restricted to spot treatments indoors, limiting effectiveness for larger indoor infestations.

Farnam Broncoe Fly Spray Plus Citronella for Horses and Dogs (128 oz)

You’ll appreciate Farnam Broncoe Fly Spray Plus Citronella for its water-based, non-oily formula that’s safe for both horses and dogs.

It effectively kills and repels six fly species, mosquitoes, ticks, fleas, and more, keeping your animals comfortable.

You can apply it full strength with a spray or cloth, avoiding eyes and mucous membranes. It also works as a premise spray in barns, trailers, and kennels, reducing fly populations considerably.

With a fresh citronella scent and no greasy residue, this 128 oz bottle offers a cost-efficient, versatile solution for pest control around your animals and their environment.

Best For: Horse and dog owners seeking a safe, effective, and versatile insecticide that controls multiple fly species and other pests in both animals and their environments.

Pros:

• Kills and repels a wide range of pests including six fly species, mosquitoes, ticks, fleas, and lice.
• Non-oily, water-based formula with a pleasant citronella scent that leaves no greasy residue.
• Can be applied directly on animals or used as a premise spray in barns, trailers, and kennels.

Cons:

• Frequent reapplication may be necessary, particularly in hot weather or areas with high infestation.

Revenge Barn & Stable Fly Spray Concentrate for Flea and Tick Control (32 oz)

Farmers and animal caretakers seeking a versatile insect control solution will find the Revenge Barn & Stable Fly Spray Concentrate an ideal choice.

This 32 oz concentrate, with 13.3% permethrin, targets flies, spiders, fleas, ticks, and more. You can apply it indoors or outdoors using foggers, misters, automatic systems, or low-pressure sprays.

It’s safe for horses, cattle, goats, sheep, swine, poultry, and dogs when used correctly. Each application controls pests for up to four weeks, and weekly use is recommended if animals are present.

Users praise its effectiveness and animal safety, making it a reliable barn spray option.

Best For: Farmers and animal caretakers looking for an effective, versatile insect control solution safe for multiple livestock species and pets.

Pros:

• Kills a wide range of pests including flies, spiders, fleas, and ticks for up to four weeks per application.
• Versatile application methods including fogging, misting, automatic systems, and low-pressure spraying.
• Safe for use around various animals such as horses, cattle, goats, sheep, swine, poultry, and dogs when used as directed.

Cons:

• Requires weekly application if animals are present, which may be time-consuming.

Find the Right Fly Spray for Your Barn: A Buyer’s Guide

When picking a fly spray for your barn, it’s important to consider a few key factors to ensure you choose the most effective and suitable option.

Target Pest Spectrum

Choosing the right fly spray for your barn means considering the range of pests it targets. Some sprays focus solely on flies, while others cover mosquitoes, ticks, fleas, and more.

You’ll want a product that offers broad-spectrum control, especially if your animals face multiple pest threats. Check labels for active ingredients since different chemicals work better on specific pests and may include benefits like insect growth regulation.

Also, look for sprays claiming to repel and kill numerous species—some cover over 70 types. Keep in mind the duration of effectiveness; certain formulations protect for up to 17 days, while others need daily application.

Application Methods

Understanding the pest spectrum is just one part of selecting the right fly spray for your barn; how you apply the product also plays a significant role in its effectiveness.

You can choose from trigger sprays, wipe-ons, or automatic dispensers, depending on your preference and barn setup. Ready-to-use sprays save you time since they don’t require mixing, which is handy when you’re busy.

Surface sprays target specific fly hotspots, while space sprays cover larger enclosed areas. If you need to apply spray directly on animals, pick products designed for targeted use that avoid sensitive areas like eyes.

Don’t forget to check how often you need to reapply—some sprays last weeks, while others require daily use to keep flies at bay effectively.

Safety for Animals

Since your animals’ health depends on it, you need to pick fly sprays labeled safe for use on livestock and pets. Look for products containing natural ingredients like pyrethrins, which are generally safer.

Avoid sprays with harmful chemicals or those that might contaminate food, water, or bedding, as these pose serious health risks.

Always follow the application instructions carefully to limit exposure, especially around sensitive areas like eyes and mucous membranes.

Some fly sprays also include sunscreens and coat conditioners, which can improve your animals’ comfort and skin health while protecting them from pests.

Residue and Scent

When selecting a fly spray for your barn, you’ll want to contemplate both the residue it leaves behind and its scent.

Non-oily, water-based sprays are ideal since they usually leave no greasy residue, keeping stalls cleaner and animals more comfortable. Oily formulas can attract dirt and dust, meaning you’ll need to clean more often.

Also, consider the scent: sprays with added fragrances like citronella not only mask barn odors but can make applying the product more pleasant for you. Lighter scents tend to be gentler on your animals’ respiratory systems, reducing irritation.

Duration of Effectiveness

Because fly sprays vary widely in how long they remain effective, you’ll want to choose one that matches your barn’s pest control needs and application schedule.

Some products protect for just a few days, while others last up to 17 days thanks to advanced bonding technologies. Many sprays offer residual effects, continuing to repel or kill flies for 1 to 4 weeks.

Keep in mind that weather and humidity can reduce effectiveness, especially outdoors, so you might need more frequent applications.

Look for formulations with active ingredients designed to stick to surfaces longer, maintaining their power under varying conditions.

Frequently Asked Questions

How Often Should Fly Sprays Be Applied in Barns?

You should apply fly sprays in barns every 7 to 14 days, depending on the product’s instructions and the severity of the fly problem.

If flies are especially bad, you might need to spray more frequently. Always follow label directions to keep your animals safe and the environment healthy.

Consistent application helps control fly populations effectively, ensuring your barn stays comfortable and pest-free.

Are Fly Sprays Safe for Newborn Animals?

It’s no coincidence that you’re cautious about using fly sprays around newborn animals—they’re more sensitive than adults.

You’ll want to choose sprays labeled safe for young or sensitive animals and apply them sparingly. Always read the instructions carefully and avoid direct contact with newborns.

If possible, spray when they’re not in the area and guarantee proper ventilation. This way, you protect your little ones while keeping pests at bay.

Can Fly Sprays Be Used on Animals With Sensitive Skin?

You can use fly sprays on animals with sensitive skin, but you need to be cautious. Choose products specifically labeled as gentle or hypoallergenic, and always do a patch test first.

Avoid sprays containing harsh chemicals or strong fragrances, as they might cause irritation.

If your animal shows any signs of discomfort or allergic reaction, stop using the spray immediately and consult your vet for safer alternatives tailored to sensitive skin.

What Is the Environmental Impact of Barn Fly Sprays?

Think of barn fly sprays as a double-edged sword cutting through pests but potentially wounding the environment.

When you use them, you risk harming beneficial insects, contaminating soil and water, and disrupting ecosystems.

You can minimize this by choosing eco-friendly sprays and applying them carefully.

How to Store Fly Sprays to Maintain Effectiveness?

To keep fly sprays effective, you should store them in a cool, dry place away from direct sunlight and heat sources.

Avoid freezing temperatures, as extreme cold can degrade the formula. Make sure the container is tightly sealed to prevent evaporation and contamination. Keep sprays out of reach of children and animals for safety.

Keep Your Barn Buzz-Free with the Right Fly Spray

Choosing the right fly spray is like weaving an invisible shield around your animals, keeping pests at bay and comfort close. With options that blend strength and gentleness, you can transform your barn into a serene sanctuary.

Don’t let flies buzz in like unwelcome guests—arm yourself with these top sprays and watch your animals thrive, free from irritation. Your barn deserves a wave of clean, pest-free air every day.

Last update on 2025-06-25 / Affiliate links / Images from Amazon Product Advertising API