DAC E NaturalA Natural Source of Vitamin E for all classes of horses. dac E NATURAL can be fed with either fortified or unfortified grains. Feed dac E NATURAL at the following rates: Maintenance: 5g per horse per day Poor Pasture Stabled Horses: 5 10g per horse per day Exercise Deficiency: 10 15g per horse per day Pregnancy Lactation: 10g per horse per day Administration based on 1000 lb. body weight Vitamin E is an essential and required nutrient, but is not