Ensure horses have access to clean fresh water at all times. Feed in conjunction with good quality pasture, hay or chaff ensuring that your consumes adequate amounts of these roughage's (At least 1% of body weight per day)
300-400kg maintenance 3-4kg per day.
300-400kg light work 4-5kg per day.
500-600kg maintenance 5-6kg per day.
500-600kg light work 6-7kg per day.