Feed and water cattle, monitor food and water supplies, mix feed and additives, fill feed troughs with feed. Herd cattle to pasture for grazing. Examine animals to detect diseases and injuries. Vaccinate animals by placing vaccine in drinking water or feed or using syringes and hypodermic needles. Applies medications to cuts and bruises, sprays cattle with insecticide, and herds them into insecticide bath. Confines cattle in stalls, washes and clips them to prepare them for calving, and assists veterinarian in delivery of offspring. Clean stalls and sheds, using disinfectant solutions, brushes, and shovels. Drive trucks, tractors, and other equipment to distribute feed to animals. Maintain ranch equipment.