Katy Hoag Cal Poly AgEd410

u Nutrition is the science that deals with the utilization of food and the processes which transform food into body tissues and energy.

u Animals need to obtain and utilize feed stuffs to convert into products such as milk, meat, fiber and work.

Digestible Nutrient u Portion of a nutrient which may be broken down (digested) and absorbed for use in the body.

Protein Carbohydrates Fats Minerals Vitamins Water Air

u Needed throughout life for growth and repair. u Help to form muscles, internal organs, skin, hair, wool, feathers, hoofs and horns. u Contain carbon, hydrogen, oxygen and nitrogen.

Examples of Protein: u Meat and Bone Meal u Fish Meal u Soybean Meal u Cottonseed meal u Dried skim milk u Amino Acids

Carbohydrates: u furnish energy. u are the largest part of food supply, usually the fiberous part of the diet. u include sugars, starch, and cellulose.

u Furnish a concentrated source of energy, up to 2.25 times as much as carbohydrates. u Form cholesterol, steroids, and other body compounds. u Affect the condition of the skin and hair. u Are made of carbon, oxygen and hydrogen. u Also provide energy reserves, protection of vital organs, and insulation of the body

u Primarily in bones and teeth u Important in blood for carriage of oxygen u Regulates heartbeat with Calcium, Sodium, and Potassium.

Vitamins u Only needed in small amounts u Provide defense against disease u Promote growth and reproduction u Contribute to overall health

Water u Water accounts for 70% or more of the composition of most plants and animals.

Feed Classification u Roughages u Concentrates u Supplements

u High in fiber, relatively low in digestible nutrients. u Alfalfa u Clover u Soybeans u Oat Hay u Corn Silage

u Feeds that are low in fiber and relatively high in digestible nutrients. u Corn u Cottonseed u Barley u Oats u Sorghum

u These are the “extras” that supply some necessary nutrient. u Minerals: salt, copper, iodine, iron, manganese, selenium, and zinc are examples. u Vitamins: A and D are most important to ruminant animals.

What is nutrition? The utilization of food to be converted into meat, milk, eggs, fiber and work What are the 6 nutrients needed? Protein, Carbohydrates, Fats, Minerals, Vitamins and Water. What are the 3 classifications of feed? Roughages, Concentrates and Supplements. Review…