Nutrition & Food Sciences

Livestock Nutrition

Animal nutrition focuses on the dietary needs of animals, primarily those in agriculture and food production, but also in zoos, aquariums, and wildlife management. There are seven major classes of nutrients: carbohydrates, fats, fiber, minerals, proteins, vitamins, and water. Nutritional Requirements of Livestock. The essential nutrients required by grazing animals are water, energy, protein, minerals, and vitamins. These nutrients are needed to maintain body weight, growth, reproduction, lactation, and health.