Nature doesnt always provide white-tailed and mule deer with all of the key vitamins and chelated minerals they need, but thanks to Ani-Logics scientifically proven Ani-Block mineral block, you can. Formulated with Ani-Shield TX4 technology that supports deer immune systems and promotes antler growth, plus it contains minerals such as copper, zinc, selenium and manganese that deer need to remain in good health year-round. Disintegrates and blends naturally with dirt. Wt: 20 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Supplements.