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Dairy and Beef Cattle Essential Nutrients and Feedstuffs.

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Presentation on theme: "Dairy and Beef Cattle Essential Nutrients and Feedstuffs."— Presentation transcript:

1 Dairy and Beef Cattle Essential Nutrients and Feedstuffs

2 Nutrient: Defined as a chemical element or compound needed to support the life of any animal Six Essential Nutrients for All Animals: Carbohydrates, Protein, Fat, Vitamins, Minerals and Water

3 Carbohydrates: Found in largest amounts in animal diets Primary function is to provide energy for basic bodily functions Also helps maintain body warmth and store fat Feedstuffs: corn, wheat, oats, barley, rye, sorghum

4 Protein Amino acids are the basic building blocks of Protein Funtions: –Development and repair of body tissues and organs –Produce milk and develop the fetus –Develop immune system and construct enzymes Feed sources of Protein: Soybean meal, fish meal, alfalfa, cottonseed hulls, barley, brewers grains

5 Fats Fats provide 2.25 times the energy of carbs. Fat=solid at room temperature Oil=liquid at room temperature Functions: source of energy, help absorb vitamins Feedstuffs with Fats: corn, sorghum, barley and wheat

6 Vitamins Needs in very small amounts in animal diets Functions: –Regulate digestion and metabolism –Development of hair, bones and vision –Regulate body glands and form new cells –Protect animal from disease –Maintain nervous system Examples: A, D, E, K, B-complex

7 Minerals Essential to support life but needed in very small amounts Functions: –Develop teeth and bones –Construct body tissues –Aid in digestion of feedstuffs –Regulate body processes Examples: Calcium, Sodium, Sulfur, Iron

8 Water 70% of animal weight is water Cannot live without water Functions: –Regulate body temperature –Transport nutrients in bloodstream –Aid in digestion and metabolism –Maintain body shape –Eliminate waste products

9 Feedstuffs: Defined as any ration ingredient provided to support life or increase productivity of the animal 4 Major categories of feedstuffs: –concentrates –roughages –feed supplements –feed additives

10 Ration: Amount of food required by an animal in a 24-hour period Balanced Ration: a ration containing correct proportions of carbs, protein, fat, vitamins, minerals and water

11 Concentrate Feedstuffs Concentrates are high in energy (Carbs and fat) and low in fiber Protein Supplements maybe added to increase protein levels Examples: Corn, sorghum, oats, barley, wheat, and rye rations

12 Roughages Roughages are low in energy and high in fiber Legume: roughages that can take nitrogen from the air and use it for their own nutrition and eventually put N in the ground and have higher protein as a feedstuff Non Legume: roughages that cannot process Nitrogen from the air

13 Roughages - cont Legume roughage examples: alfalfa, clovers, kentucky bluegrass, tall fescue, oats Non legume roughage examples: pasture grasses, corn silage and wheat straw –silage is the entire corn stalk and seed fermented together with the help of bacteria during anerobic digestion

14 Feed Supplements #1 nutrient supplemented in feeds = PROTEIN Sources of Protein Supplements: –soybean meal (most common), urea, linseed meal, cottonseed meal, corn gluten meal, brewers dried grain and distillers by products, fish meal, dried milk and whey; In the past: blood meal, bone meal, meat meal and feather meal Vitamins and Minerals are also supplemented either as ground powder or solid block

15 Feed Additives Non nutritive substances added to rations to increase animal productivity. Antibiotics, wormers, hormone-like products, chemotherapuetics

16 Animals must have a complete and balanced ration in order to complete all of the following functions: –body maintenance –growth and fattening –lactation –reproduction –work

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