American Stockman Selenium 90 Block Ag Salt, 50lb Block

American Stockman, 50 LB, Selenium 90 Block Ag Salt, Boosts Selenium Levels & Adds Copper, As Well, Selenium Is An Antioxidant, Protecting Against Disease By Promoting Healthy Immune Systems & Regulating An Animal's Ability To Handle Stress, For All Classes Of Beef Cattle & Horses.