The temperature of water is key when encouraging horses to stay hydrated in cold weather.

Published 1/4/2023 by the Editors of Equus

Studies at New Bolton Center in the late 1990s published results from two crossover trials on offering warm water to 14 pony stallions stabled in a barn with individual tie-stalls in the winter, when ambient air temperature in the barn ranged from 19° to 41° Fahrenheit.

The methods compared using continuous bucket heaters and offering warm water twice a day at feeding times. Both strategies were effective in increasing water intake. By increasing water intake during cold snaps, the risk of colic is greatly reduced.

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