#3 Energy Requirements Flashcards

1
Q

Appetite of birds closely linked to their _ _, birds eat to satisfy

A

energy requirements

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2
Q

As energy requirements increase, _ _ increases

A

Feed intake

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3
Q

Chemical energy is expressed in the unit

A

calorie (cal)

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4
Q

Bomb calorimetry combusts ingredient, _ _ in water is used to determine _ _

A

heat increase, energy release

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5
Q

A calorie (cal) is the amount of energy required to raise the temperature in the bomb calorimeter from _ to _ degrees celsius

A

14.5, 15.5

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6
Q

Gross Energy (GE) heat given off when completely burned, _ _ chemical energy in feed stuff

A

total potential

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7
Q

Animals _ use all of GE

A

cannot

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8
Q

Gross Energy - Fecal Energy =

A

Energy Digested or Dietary or Digestible Energy (DE)

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9
Q

DE - Urinary & Gas Energy =

A

Metabolizable Energy (ME)

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10
Q

ME - Heat Increment =

A

Net Energy (energy retained as products of growth, egg production)

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11
Q

Most accurate representation of energy supply

A

NE

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12
Q

Methods of Apparent Metabolizable Energy (AME)

A

Direct, Indirect

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13
Q

Direct AME, diet is formulated so that all the energy in the diet comes from _ test ingredient

A

single

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14
Q

Indirect AME, test ingredient cannot be fed _, diet is formulated with _ ingredients, assumes there is no _ _ among ingredients
supplying energy in diet

A

alone, multiple, associative effects

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15
Q

Excreta Collection Methods

A

TCM - Total Collection Method
PCM - Partial Collection Method

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16
Q

Partial Collection method uses a _

A

marker, non-toxic, easy to analyze, non-absorbable, Indigestible

17
Q

TCM requires _ _ of feces unlike PCM

A

quantitative collection

18
Q

3 Factors Affecting Energy Requirements

A

BW, Temperature, Stage of Production

19
Q

Corn DDGs

A

mid level of protein, fat, carbs

20
Q

SBM and CM

A

high protein, low fat, low carb

21
Q

Corn, Wheat, Barley

A

low protein, low fat, high carb

22
Q
A