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16 Cards in this Set
- Front
- Back
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Identify from the following which nutrient is paired with its correct average energy value.
a. carbohydrates - 2.25 kcal/g b. fats - 9.45 kcal/g c. protein - 4.10 kcal/g d. vitamins - 5.65 kcal/g |
b
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2Which fraction of the detergent analysis system is used to estimate the total cell wall?
Choose one answer. a. soluble in neutral detergent b. soluble in acid detergent c. insoluble in neutral detergent d. insoluble in acid detergent |
c
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As stage of maturity increases in a forage:
Choose one answer. a. both the ADF and NDF content increase b. the NDF content would increase but the ADF content would stay the same c. the ADF content would increase but the NDF content would stay the same d. the ADF and NDF content would not change .. |
a
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A sample of feedstuff contains 6 g protein and 3 g carbohydrate. Its heat of combustion would be closest to:
Choose one answer. a. 33.9 kcal b. 46.20 kcal c. 12.45 kcal d. 49.75 kcal |
b
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The Kjeldahl analysis measures the amount of __________ in a sample.
Choose one answer. a. minerals b. crude protein c. nitrogen d. phosphorus e. neutral detergent insoluble fraction |
c
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Ether extraction is used to measure what components of a sample during proximate analysis?
Choose one answer. a. crude protein b. lipids c. ash d. crude fiber . |
b
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The major criticism of proximate analysis is in the analysis of which class of nutrients?
Choose one answer. a. vitamins b. minerals c. carbohydrates d. proteins e. lipids |
c
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What components must be printed on all feed labels?
Choose one answer. a. crude fiber and crude protein b. crude protein and minerals c. crude fat content, crude protein, vitamins and minerals d. crude fiber, crude protein, crude fat content . |
d
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what is proximate analysis used for?
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to compare feedstuffs
-sequential analysis of feed developed over 100 yrs ago in germany -doesnt measure content of individual nutrients -related to the major classes of nutrients |
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___= primarily used for analysis of forages
-main components cell contents NDF ADF |
detergent analysis system
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__= the amount of heat given off when a substance is burned completely to produce carbon dioxide, water, and other gases
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gross energy
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gross energy = ___
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heat of combustion
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__= instrument used to determine gross energy
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bomb calorimeter
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__= amount of heat required to raise 1g of water 1 degree centigrade; measured from 14.5-15.5 degrees celsius
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calorie
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routes of nutrients flow in the vascular system..
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epithelial cells-
nutrients absorbed through epithelial cells lining the intestines --> capillaries --> veins--> portal vein --> liver --> heart --> lungs --> body splanchnic bed gi tract, liver, pancreas, spleen |
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routes of nutrients flow in lymphatic system
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lacteals (sm vessels) --> larger vessels --> thoracic duct --> vascular system
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