Animal_Science_9-4-08

Animal_Science_9-4-08 - Animal Science Nutrition Nutrients...

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Animal Science 9-4-08 Nutrition Nutrients are a food constituent that aid in the support of life There are six classes of nutrients: --Carbohydrates --Fats --Proteins --Minerals --Water --Vitamins Carbs and Fats = Energy Proteins and Minerals = Structure All animals need to receive a balanced ration Maintenance ration usually during a non-production portion of life Reproduction/ lactation exceeds normal maintenance Carbohydrates Main source of energy in most livestock and poultry rations (≈ 60-70%) Organic (Carbon, hydrogen, and oxygen CHO) -- Different Classes Monosaccharides (Glucose) Disaccharides (Sucrose(table sugar), lactose, and maltose) Polysaccharides --Starch --Cellulose (good for ruminants) --Lignin (internal heat) --Glycogen
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Glucose ↓ Alpha ↑ Beta Alpha linkages are common in starch and glycogen Highly available to humans Beta linkages are common in cellulose products and the sugar is only available to those organisms that are specially adapted to breaking it down (cows and termites)
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This note was uploaded on 04/08/2011 for the course AGC ANSC 102 taught by Professor Latour during the Winter '09 term at Purdue.

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Animal_Science_9-4-08 - Animal Science Nutrition Nutrients...

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