Equine Breeder's PlusSupport for settling Mares, Semen Count in Stallions, or Increases in Blood Flow Healthy Red Blood Cell Production with Iron from Ferrous Fumarate for increased absorption Feed approximately 6 weeks prior to Breeding for Mares or during the Breeding Season for Stallions Guaranteed Analysis: Calcium (min) 7. 25 % Calcium (max) 7. 85 % Phosphorus (min) 3. 75 % Salt (min) 2. 00 % Salt (max) 2. 25 % Sulfur (min) 0. 87 % Iron (min) 2. 5 % Iodine (min) 39