A professional who performs any combination of following tasks to attend livestock, such as cattle, sheep, swine, and goats on farm or ranch. Respnsibilities include:

• Mixes feed and additives, fills feed troughs with feed, and waters livestock.
• Herds livestock to pasture for grazing.
• Examines animals to detect diseases and injuries.
• Vaccinates animals by placing vaccine in drinking water or feed or using syringes and hypodermic needles.
• Applies medications to cuts and bruises, sprays livestock with insecticide, and herds them into insecticide bath.
• Confines livestock in stalls, washes and clips them to prepare them for calving, and assists veterinarian in delivery of offspring.
• Binds or clamps testes or surgically removes testes to castrate livestock.
• Clips identifying notches or symbols on animal or brands animal, using branding iron, to indicate ownership.
• Clamps metal rings into nostrils of livestock to permit easier handling and prevent rooting.
• Docks lambs, using hand snips.
• Cleans livestock stalls and sheds, using disinfectant solutions, brushes, and shovels.
• Grooms, clips, and trims animals for exhibition.
• May maintain ranch buildings and equipment.
• May plant, cultivate, and harvest feed grain for stock.
• May maintain breeding, feeding, and cost records.
• May shear sheep.