Foals and Weanlings: Feed 42 grams (1 scoop) per day top dressed on horse's grain mix. Yearlings and Older Horses: Feed 82 grams (2 scoops) per day top dressed on horse's grain mix. Performance Horses: Feed 82-164 grams (2-4 scoops) per day top dressed on horse's grain mix during training and competition. Broodmares & Stallions: Feed 82-164 grams (2-4 scoops) per day top dressed on horse's grain mix beginning at least 30 days prior to breeding and continuing until at least 60 days after last breeding. All Horses: Provide good quality hay and/or pasture, salt and water free choice.