How to Get Rid of Fleas on Horses

Fill a bucket with about 1 gallon water and 1/4 cup dish soap. Mix the ingredients with your hand to dissolve the soap.

Brush over the horse with a large flea comb. This will take awhile but ensures a thorough cleaning of the horse. Dip the brush into the bucket of soapy water as needed when you collect fleas. The soap will trap and smother the fleas instantly.

Comb the mane as well as fleas can often linger in these areas.

Fill a spray bottle with equal parts water and white vinegar. Mist this over your horses, staying away from eyes, nose, mouth and genitalia. The vinegar emits a bitter scent and taste that repels fleas. Reapply the spray every two days or so.

Add about 1 tsp. white vinegar to your horse's water trough per gallon of water used. This will typically be too little for the horses to notice, but will be effective in getting vinegar into the horses bloodstream, thereby repelling fleas.