A Racehorse Can Lose 50 Pounds in Two Minutes—Here’s Why
How much weight does a racehorse lose in a race? Typical range: 25 to 50 pounds per race — roughly 2–5% of body weight; route races in extreme heat can exceed 50 pounds Source: Almost entirely fluid lost through sweat and respiration, not muscle or fat Lasix adds to it: horses on furosemide lose an …