Performs duties like: Maintain heated watering system. Operate snow removal equipment in order to operate feed wagons. Mix feed and additives, fill feed troughs with feed and water for livestock; remove ice formed in water. Examine animals to detect diseases and injuries. Vaccinate animals by placing vaccine in drinking water or feed using syringes and hypodermic needles. Apply medications to cuts and bruises, spray livestock with insecticide. Drive to town to pick up feed. Confine livestock in stalls. Wash and clip livestock to prepare them for calving. Assist veterinarian in delivery of offspring.