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ANSC 107 Exam 2 Questions & Answers 2024/2025 $10.49   Add to cart

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ANSC 107 Exam 2 Questions & Answers 2024/2025

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ANSC 107 Exam 2 Questions & Answers 2024/2025 Adaptation - ANSWERSLong term changes in animals in repsonse to their environment Genetic based Acclimatization - ANSWERSAdaptation of an animal to environmental factors over a period of days/weeks Short term Conduction - ANSWERSexchange of...

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  • September 6, 2024
  • 26
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ANSC 107
  • ANSC 107
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ANSC 107 Exam 2 Questions & Answers
2024/2025

Adaptation - ANSWERSLong term changes in animals in repsonse to their environment

Genetic based



Acclimatization - ANSWERSAdaptation of an animal to environmental factors over a period of
days/weeks

Short term



Conduction - ANSWERSexchange of heat from warm to cold

-Objects touching



Convection - ANSWERSFlow of heat from warm to cold

-Through air or water



Radiation - ANSWERSExchange of heat between two objects NOT touching.

Can result in loss or gain of heat**



Lower critical temperature - ANSWERSanimal has to make physiological adjustments to maintain its body
temp.

-too low



High critical temperature - ANSWERSanimal has to make adjustments to try and cool its body

-too high



Effective temperature - ANSWERSthe total heating or cooling power of the environment

,Homeotherm - ANSWERSAnimals that maintain a relatively constant body temperature regardless of
external temperatures



Thermoneutral zone - ANSWERSAnimal's comfort zone

-between upper and lower critical temp.



Thermoneutral zone (TNZ) makes animals - ANSWERSeasier to gain weight

Most gain***



Pattern of animal vs. normal temp (inverse): - ANSWERSLarger animal, lower body temperature



Horses normal temp: - ANSWERS100 F



Cattle normal temp: - ANSWERS101.5 F



Sheep/Goats normal temp: - ANSWERS102 F



Swine normal temp: - ANSWERS102.5 F



Chickens normal temp: - ANSWERS107 F



Factors affecting critical temp: - ANSWERS-Haircoat

-Subcutaneous fat

-Nutritional level

-Is the animal wet or dry



Thyroxine is produced by - ANSWERSthyroid gland



Thyroxine is produced when - ANSWERSincreases during cold stress

, decreases during heat stress



Corticoids is produced by - ANSWERSadrenal gland



Corticoids are produced when - ANSWERSincreased during cold sorters

decreased during heat stress



The summer is limiting to U.S. livestock except - ANSWERSBrahman cattle



Cheapest and simplest method to reduce heat stress. - ANSWERSShade



Shade can reduce heat stress by. - ANSWERS50%



One of the most effective (but costly$$) ways to reduce heat stress - ANSWERSEvaporative cooling

Ex: sprinklers, foggers



Most common way to reduce heat stress for swine/farrowing houses (specific zone)? - ANSWERSZone
cooling

-cools head



Why is refrigeration prohibtive? - ANSWERSterms of cost

-show cattle



When is ventilation used? - ANSWERSused in confinement



Why is ventilation used? - ANSWERS-proper air movement

-reduces disease

-> ammonia, pneumonia

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