Description High Cobalt Multi Trace Element Bolus for Ewes & Rams. Slow Release. Containing Cobalt, Copper, Iodine, Selenium & Zinc. Lasts for up to 6 months. Delivers all the essential Trace Elements crucial for the key phases of lambing, breeding, growth & thrive. Trace Element Content Per Bolus COPPER OXIDE IODINE SELENIUM COBALT ZINC 2,000mg 750mg 100mg 350mg 400mg Features / Benefits Long Acting and Highly Concentrated Containing Cobalt, Iodine, Copper, Selenium & Zinc High Iodine Slow Release APPLICATION GUIDELINES Sheep consuming 2Kg or more dry matter per day: 1 Bolus