For horse enthusiasts, the summer season brings on an irksome inevitability: flies and other pesky insects. Try creating these sprays, made of natural fly repellents, at home to use on your horse. For each recipe, mix the ingredients together and put in a spray bottle. Use on your horse as needed.

Recipe from Mary Brennan, DVM, author of Complete Holistic Care and Healing for Horses: The Owner's Veterinary Guide to Alternative Methods and Remedies
1/2 teaspoon oil of myrrh
2 cups water
1/2 cup cider vinegar
1/4 teaspoon of citronella oil

Recipe from the Dressage Today staff
(Many of the ingredients can be found at natural food stores.)
2 cups apple cider vinegar
2 cups cold (prepared) tea, such as sage or chamomile tea
20 drops eucalyptus oil
20 drops citronella oil
10 drops lavender oil
10 drops tea tree oil
10 drops cedar oil
20 drops emulsifier, such as polysorbate 20