Two forms of exertional rhabdomyolysis commonly respond to changes in diet and management. Unfit horses with polysaccharide storage myopathy benefit from daily exercise, removal of high-starch concentrates, and addition of fat to provide a moderate caloric intake. Fit horses with recurrent exertional rhabdomyolysis can maintain a high caloric intake if dietary starch is reduced and the ration is heavily supplemented with fat.
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