1. Feeds and Feed Label Ms. Wellborn

2. Objectives: Identify sources of nutrients and classes of feed. Identify sources of nutrients and classes of feed. Identify vitamins, minerals, and feed additives. Identify vitamins, minerals, and feed additives.

3. A Little Review Can anyone tell me what we talked about yesterday? Can anyone tell me what we talked about yesterday? Can anyone remember and name the 6 essential nutrients? Can anyone remember and name the 6 essential nutrients? Can someone tell me what palatability means? Can someone tell me what palatability means? Can someone tell me the two- types of vitamins there are? Can someone tell me the two- types of vitamins there are?

4. Basic Nutrients and Their Function Regulatory Regulatory Water Water Minerals Minerals Proteins Proteins Vitamins Vitamins Structural Structural Minerals Minerals Proteins Proteins Fats Fats Energy Energy Protein Protein Fats Fats Carbohydrates Carbohydrates

5. Water Cheapest and most abundant nutrient Cheapest and most abundant nutrient Most important Most important Functions: Functions: Regulates body temp. Regulates body temp. Nutrient/waste transportation Nutrient/waste transportation Aids in digestion/absorption Aids in digestion/absorption Regulate ionic concentrations Regulate ionic concentrations

6. Carbohydrates Occurance: Occurance: Plants 60-80% Plants 60-80% Cell content- sugar and starch Cell content- sugar and starch Cell wall- cellulose and hemicellulose Cell wall- cellulose and hemicellulose Different classifications Different classifications Can anyone name some classifications of carbohydrates? Can anyone name some classifications of carbohydrates? Functions: Functions: Energy Energy Heat Heat Building Blocks Building Blocks Fat Disposition Fat Disposition

7. Fats (Lipids) Contain 2.25x more than carbohydrates Contain 2.25x more than carbohydrates Functions: Functions: Dietary energy supply Dietary energy supply Source of heat, insulation, and protection for the body Source of heat, insulation, and protection for the body Sources of essential fatty acids Sources of essential fatty acids Serve as a carrier for absorption of fat- soluble vitamins Serve as a carrier for absorption of fat- soluble vitamins Classification: Classification: Simple Simple Compound Compound Derived Derived

8. Protein Principal component of organs and soft structures in the body Principal component of organs and soft structures in the body Digestible protein- portion of crude protein which the animal digests Digestible protein- portion of crude protein which the animal digests Crude protein- composed of true protein and any other nitrogenous product Crude protein- composed of true protein and any other nitrogenous product Functions: Functions: Structural- collagen, elastin, blood proteins Structural- collagen, elastin, blood proteins Body metabolism- enzymes, hormones, immune antibodies Body metabolism- enzymes, hormones, immune antibodies Distinct functions- defense mechanism, hooves, cell membranes Distinct functions- defense mechanism, hooves, cell membranes

9. Minerals Natural Sources Natural Sources Forage plants Forage plants Grains Grains Macro Macro Minerals normally preset at greater levels in the body or needed in relatively large amounts in the diet Ca, P, Na, Cl, Mg, K, S Micro Micro Normally present at love levels in the body or needed in very small amounts in the diet Normally present at love levels in the body or needed in very small amounts in the diet Co, Cu, F, I, Fe, Mn, Mo, Se, Zn Co, Cu, F, I, Fe, Mn, Mo, Se, Zn Functions: Functions: Structural and skeletal development Structural and skeletal development Function in protein synthesis Function in protein synthesis Oxygen transport Oxygen transport Fluid balance Fluid balance Regulating acid-base balance Regulating acid-base balance Activation of many enzyme systems Activation of many enzyme systems

10. Vitamins Fat soluble- A, D, E, K Fat soluble- A, D, E, K Water soluble- thiamine, riboflavin, niacin, pyridoxine, pantothenic acid, biotin, choline, folic acid, B12 Water soluble- thiamine, riboflavin, niacin, pyridoxine, pantothenic acid, biotin, choline, folic acid, B12 Functions: Functions: Regulators of metabolism Regulators of metabolism Growth and maintenance of life Growth and maintenance of life Antibody synthesis Antibody synthesis Requirements increase with age Requirements increase with age

11. Now Take a minute to look at the feeds in front of you Take a minute to look at the feeds in front of you Fill out the worksheet to the best of your ability. Fill out the worksheet to the best of your ability. What are the feed additives added to the feeds in front of you? What are the feed additives added to the feeds in front of you? What do you think those additives are used for? What do you think those additives are used for?

12. Objectives Identify sources of nutrients and classes of feed. Identify sources of nutrients and classes of feed. What sources of nutrients and classes of feed did we look at today? What sources of nutrients and classes of feed did we look at today? Identify vitamins, minerals, and feed additives. Identify vitamins, minerals, and feed additives. What kind of vitamins, minerals, and additives did we find in the feeds we looked at? What kind of vitamins, minerals, and additives did we find in the feeds we looked at?