Barastoc Calm Performer Pellets are formulated to provide the ideal source of balanced nutrition for potentially hot" horses and ponies in light to moderate work. Being free of oats the corresponding low level of starch provides cooler energy reducing the risk of tension and mental instability often associated with high grain diets. Barastoc Calm Performer contains 11percent protein a level that suits a mature working horse or pony. Dolomite is also included to provide extra magnesium.