Heat Stress in Horses: What Every Owner Should Know
With Queensland’s summer temperatures and humidity, heat stress is a real and ongoing risk for our horses.
Every horse is at risk of heat stress however it is more commonly seen in endurance , race horses and high performance horses.
Watch for warning signs:
● Heavy or rapid breathing. Flared nostrils.
● Excessive sweating or little to no sweating
● Lethargy or weakness.
● Distress or agitation
● Elevated temperature ( Normal temperature is <38.3 degrees )
● Dark gums or prolonged capillary refill time
● Colic
How to help prevent heat stress:
● Provide constant access to fresh, cool water
● Offer shade and good ventilation
● Schedule ridden work for early morning or late evening
● Take frequent breaks and hose with cool water, scraping between applications
● Ensure proper electrolyte balance, especially for working horses. Electrolyte supplementation is recommended.
If your horse isn’t cooling down within 10–15 minutes or shows severe signs, this is an emergency—contact the clinic right away.
We’re here to help keep your horses healthy and comfortable all summer long. Don’t hesitate to call us with questions or concerns.