Using the Comfort Index to Avoid Summertime Heat Stress
Comfort Index | Situation | Protective Action Needed |
|---|---|---|
Less than 130 | Heat stress is not an issue. | None |
130 to 150 | Horses will sweat but can stay safe if they drink enough water. | None, as long as water intake is adequate |
More than 150 (and relative humidity above 75%) | Horses may not be able to cool themselves adequately through sweating. | Limit exercise and check horses often for signs of stress. |
More than 180 | Horses will not be able to cool themselves adequately with any strain. | Stop all workouts. |
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