Fly Sprays for Performance Horses: What to Know Before Competition 

Flies are a small distraction that can have a big impact on performance. A horse that is stomping, swishing, tossing their head, or losing focus can’t be at their best when it matters most. 

During competition, the type of fly spray you use and how you use it can make the difference between success and disappointment. But an effective fly control strategy begins long before you enter the show ring. 

The best fly spray for performance horses at competition depends on your horse’s workload, the conditions you’re showing in, and the level of insect pressure at that venue. 

Keep reading to learn how to choose the right fly spray formula, apply it effectively, and understand the different products in the Ultrashield fly spray line

Competition Fly Control Strategies 

Your favorite fly spray for everyday use may not be up to the demands of show day. Different routines and conditions mean owners should carefully review fly-spray formulas before finalizing show packing. 

When selecting the best fly spray for competition, start with the job it needs to do. For many riders, their routine at a show looks very different from their routine at home. 

Will your horse be standing outside in the sun while tied to the trailer? Sweating heavily during warm-up? Factors such as travel, increased exposure, unfamiliar environments, and more intense exercise can all impact the effectiveness of different formulas. 

Some show venues have higher insect pressure due to their location. For example, venues near bodies of water may have larger populations of certain insects, such as gnats. Ensure the fly spray you choose is effective against all of the types of pests your horse may encounter. 

If your farm uses effective environmental fly control strategies to manage pest populations, your horse will likely need more protection at shows than at home. 

How to Choose the Right Fly Spray 

When shopping for fly spray, check the label to determine whether the formula is appropriate for your show-day routine and conditions at the venue.  

Start with the active ingredients and the type of pests the formula repels. Some are designed for broad-spectrum insect control, while others are only effective against certain species. 

Other factors to look for on the label include UV protection and sweat-resistance. Some are built for especially heavy insect pressure, while others are designed as versatile everyday options. 

At overnight shows, the flexibility to use a fly spray both on the horse and the environment can help enhance fly protection. Look for a formula that is safe and effective for both direct application and use as a premise spray. 

Fly spray formulas may also include natural oils and conditioners. Some horses may have adverse reactions to specific ingredients, so it’s important to always test fly spray at home before using it at a show. 

Weather and Climate Considerations 

Weather, climate, and region also impact the effectiveness of different fly sprays and insect control strategies. The same formula will not always work equally well across climates, and insect pressure can vary significantly by season and location. 

In hot, humid regions like Florida, fly season is essentially year-round. Humidity, warmth, and other environmental conditions keep insect pressure high for most of the year. 

Sweat and moisture can also change how a product performs on the coat. Fly spray formulas designed to be sweat-resistant offer more effective protection in humid conditions. 

In hot, dry climates like Arizona, horses need dependable protection that lasts through long days in the sun. Weatherproof fly spray formulas with UV protection can help keep horses comfortable while competing in the dry heat. 

If you compete across regions, it makes sense to pack with flexibility in mind. Many competitors find it useful to keep more than one fly spray on hand so they can adjust to the horse, the venue, and the weather. 

The UltraShield Fly Spray Line 

Understanding the differences between specific fly spray formulas can help you choose the most effective fly control solution for your next competition. 

Absorbine’s Ultrashield line offers a complete selection of proven fly spray formulas trusted by top professionals like Brad Barkemeyer

Here’s a practical guide to the full Ultrashield lineup and why Barkemeyer chooses UltraShield Gold for his show day prep. 

UltraShield Gold 

UltraShield Gold offers the ultimate fly control solution with innovative Absorbine FlyShield® technology and broad-spectrum protection. The formula helps repel bugs before they bite by disrupting their ability to locate and land on the horse. It’s also Brad Barkemeyer‘s top pick for fly spray on show day. 

“One of the reasons that we’re so in love with the Absorbine products is that they’re tried and true and tested. But they’re also always innovating, looking for the next technology that will make their products even better. And that’s what they’ve done with Ultrashield Gold.” 

UltraShield EX 

UltraShield EX is a strong choice for riders who want broad-spectrum, long-lasting coverage with added UV protection. It is designed to kill and repel a wide range of insects, and it can also be used as a premise spray. That flexibility is especially helpful for competitors who value a versatile fly spray. 

UltraShield Red 

UltraShield Red is a water-based formula designed for regular use and broad insect control, making it a practical choice for turnout, training, travel, and showing. This fly spray is a good choice for competitors seeking a convenient, oil-free formula that doesn’t leave a residue or require mixing before use. 

UltraShield Green 

UltraShield Green is an eco-friendly formula that harnesses the botanical power of seven essential oils. These natural oils are gentle on the environment and safe to use on dogs. This formula is often recommended for horses and owners sensitive to the active ingredients in other fly sprays. 

Ultrashield Sport 

UltraShield Sport is the lineup’s most sweat-resistant formula. This fly spray is designed to provide effective multi-pest protection and mosquito defense in the hottest, most humid conditions. The long-lasting, sweat-resistant formula makes it a popular fly spray for intense show schedules in Florida and other humid climates. 

Pre-Show Fly Protection Prep 

Good fly control starts long before the first class. The night before a show, make sure your fly spray plan matches the forecast and destination. 

Keeping your horse comfortable throughout show day is just as important as preventing distractions in the ring. Apply your fly spray early enough to get adequate coverage before loading or tacking up. 

Controlling pests in the environment around your horse at the show can also help support his comfort and make your fly control strategy more effective. Use a premise spray on the trailer, stall, and grooming area ahead of time to enhance your fly protection. 

Barkemeyer also advocates for this broader approach to environmental fly control.  

“Not only do we use UltraShield Gold directly on our animals, but around the barn and our horse trailers as well.” 

Fly Spray Application Tips 

A quick mist over the topline is rarely enough. Flies often target the legs, belly, and sensitive areas around the face and ears. Thoughtful application is essential for effective use of fly spray, especially at competitions. 

Barkemeyer recommends using the adjustable nozzles of UltraShield fly sprays for a more even application.  

“After I do the legs with the direct spray, I like to use the fanned out nozzle adjustment, where you can get more of the body of the horse and a nice light, even coating.” 

Applying fly spray to the face and ears requires a more thoughtful approach. Barkemeyer recommends spraying a soft-bristled brush with fly spray and then using it to apply the formula to these sensitive areas. 

“That way, you’re not spraying directly into your horse’s eyes. But you’re still getting good coverage of the product to repel pests that typically want to congregate around their eyes and especially their ears.” 

The Bottom Line for Competitors 

During competition, the right fly spray for performance horses comes down to matching the formula to the weather, venue, insect pressure, and workload. That means choosing with purpose, preparing before show day, and applying carefully rather than casually. 

For many riders, it also means keeping more than one option in the trailer. The UltraShield line makes that practical with formulas designed to keep your horse protected in every condition.  

Don’t let bugs ruin your show day. When your horse is comfortable, you can stay focused on your performance. And with the right fly spray, that performance can showcase your horse at their very best. 

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