For Dogs: 
<30 lbs..........½ tsp. twice a day, or as prescribed
30-80 lbs.......1 tsp. twice a day, or as prescribed
80-120 lbs.....1 ½ tsp. twice a day, or as prescribed
>120 lbs........2 tsp. twice a day, or as prescribed

For Cats........¼ tsp. twice a day, or as prescribed

For Horses...(for the 1000 lb Horse) Two tablespoons two times per day for 20 days then two tablespoons one time per day in grain. Note: In the event of refusal to eat herbs start with small amounts of herbs in grain until the horse is acquainted with the taste. Almost all horses will eat the herbs in their grain.