Additional resources on equine fluid balance:
Dehydration and Electrolyte Losses in the Sport Horse – Tuffs Cummings School of Veterinarian Medicine (http://www.tufts.edu/vet/sports/dehydration.html)
Do Electrolytes Really Help My Endurance Horse? – Hal Schott, Michigan State University College of Veterinary Medicine Website (http://cvm.msu.edu/alumni-friends/information-for-animal-owners/do-electrolytes-really-help-during-endurance-exercise/)
Equine Thermoregulation – eXtension HorseQuest Website (http://www.extension.org/pages/Equine_Thermoregulation)
Hot Weather Care for Horses – Judy Marteniuk, Michigan State University College of Veterinary Medicine Website (http://cvm.msu.edu/alumni-friends/information-for-animal-owners/hot-weather-care-of-horses/)
Hyperthermia – eXtension HorseQuest Website (http://www.extension.org/pages/Hyperthermia)
Nutrient Requirements of Horses. Sixth Revised Edition. 2007. National Research Council. Academic Press.