environmental physiology Flashcards

1
Q

homeotherm

A

temp an animals body must maintain for health

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2
Q

effective temperature

A

total heating or cooling power of the environment
impacted by wind, humidity, and solar radiation

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3
Q

horse homeotherm

A

100 F

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4
Q

cattle homeotherm

A

101.5 F

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5
Q

sheep homeotherm

A

102 F

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6
Q

goat homeotherm

A

102 F

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7
Q

swine homeotherm

A

102.5 F

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8
Q

chicken homeotherm

A

107 F

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9
Q

factors affecting critical temperature

A

haircoat
subcutaneous fat
nutrition level
wet or dry

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10
Q

TNZ

A

thermal neutral zone: you don’t need to use energy to heat or cool yourself

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11
Q

thermal neutral zone

A

heat production and heat loss are equal

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12
Q

thyroxine

A

increase during cold stress and decrease during heat stress

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13
Q

corticoids

A

increases appetite. level increases in cold and decreases in heat

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14
Q

most effective method of reducing heat stress

A

evaporative cooling

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15
Q

things necessary for evaporative cooling

A

water and lack of humidity

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16
Q

cheapest method of reducing heat stress

A

shade

17
Q

zone cooling

A

blowing air onto the head of the animal so you don’t have to cool the entire building

18
Q

ventilation

A

one of the most important things when raising livestock

19
Q

causes of pneumonia

A

poor ventilation and ammonia(urine)

20
Q

nutrition effects on temp

A

extra nutrition increases body temp

21
Q

type of feed for winter

A

high fiber or alfalfa

22
Q

type of feed for summer

A

concentrate or low in fiber

23
Q

major problem facing livestock management

A

waste disposal

24
Q

uses for manure

A

fertilizer or compost
methane production