The American Stockman Big 6 Salt Block is a 50 lb, extremely weather-resistant pressed mineral block that is excellent for weight gain, feeding efficiencies, and overall herd performance. The Big 6 contains the 6 core micro minerals: Zinc Manganese Cobalt Copper Iodine Iron Features: Salt Min: 96% Salt Max: 99% Zinc Min: 320 ppm Iron Min: 2400 ppm Manganese Min: 2400 ppm Copper Min: 260 ppm Copper Max: 380 ppm Iodine Min: 70 ppm Cobalt Min: 40 ppm.
