Is your horse showing signs of discomfort? 
🐎Stamping?
🐎Biting legs (usually around pastern or fetlock area).
🐎Scratching back of legs? 
This could be down to Feather Mites!
Or Chorioptes equi
Mites feed on skin debris and cause irritation to the horses legs, making them become agitated and uncomfortable.  If left this can lead to skin damage and heel mange so it's important to deal with them as soon as you can.
Our Feather mites spray is applied daily to help omit the Feather mites with its anti parasitic properties,  this spray supports your horse naturally.