Mixing feed and feeding cows and heifers in preparation for breeding; clean work areas; administer vaccines and de-wormer; sort cows and bulls by evaluating meat, carcass, and health; breeding cows and heifers on bulls; artificially inseminate cows and heifers; maintain records on all breeding procedures, number cattle, record times; maintain breeding equipment and fences; cull non producing cows or heifers.