OR Master's or equivalent graduate degree or 2 full years of progressively higher level graduate education leading to such a degree in agriculture, agriculture economics, agricultural business, livestock business management, livestock marketing and trade, agriculture data analytics, agriculture education, animal science, animal or livestock nutrition, poultry science, farm and ranch management, food processing, food systems, food science, or other closely related agricultural field. D. or equivalent doctoral degree or 3 full years of progressively higher level graduate education leading to such a degree in agriculture, agriculture economics, agricultural business, livestock business management, livestock marketing and trade, agriculture data analytics, agriculture education, animal science, animal or livestock nutrition, poultry science, farm and ranch management, food processing, food systems, food science, or other closely related agricultural field.