Thoroughbreds are known for their high-strung temperaments and sensitive skin, making fly control a challenge on the farm or at the track. Our editorial team compared top fly sprays specifically for these athletes, focusing on ingredients that won’t cause irritation or reactions under tack.

We looked at what works for Thoroughbreds in hot, humid climates where flies are relentless, and factored in their unique housing and exercise routines. Below are our top picks based on real-world feedback from trainers and owners.