Livestock Production and Management
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Questions and Answers

What is the primary purpose of livestock production?

  • To produce draught power
  • To provide manure as fertilizer
  • To produce wool and hair
  • To convert energy in feed into products (correct)
  • What happens to milk production when an animal is outside its comfort zone?

  • It decreases (correct)
  • It remains the same
  • It stops
  • It increases
  • What is the thermoneutral zone (TNZ) of an animal?

  • The range of temperatures where an animal is stressed
  • The range of temperatures where an animal must lose heat
  • The range of temperatures without regulatory changes in metabolic heat production or evaporative heat loss (correct)
  • The range of temperatures where an animal must generate heat
  • What happens to an animal's immunity when it is outside its comfort zone?

    <p>It decreases</p> Signup and view all the answers

    What is the lower critical temperature (LCT) of an animal?

    <p>The temperature below which an animal must generate heat</p> Signup and view all the answers

    At what temperature range do laying birds produce more eggs?

    <p>At 13-24 °C</p> Signup and view all the answers

    What is the consequence of an organism's thermal tolerance being exceeded?

    <p>Death occurs</p> Signup and view all the answers

    What is the term for the transfer of thermal energy associated with a change in temperature?

    <p>Sensible heat</p> Signup and view all the answers

    What is the result of the hypothalamo-pituitary adrenal axis activation?

    <p>Synthesis and secretion of glucocorticosteroids, leading to debilitating effects</p> Signup and view all the answers

    What is the term for the transfer of heat from an object to the environment through radiation?

    <p>Radiation</p> Signup and view all the answers

    What is the consequence of glucocorticosteroids over weeks or longer?

    <p>Suppression of the immune system, promotion of protein loss, neuronal cell death, and suppression of growth</p> Signup and view all the answers

    What is the term for the lower lethal temperature, below which an organism dies?

    <p>LLT</p> Signup and view all the answers

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