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 (A)</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 (D)</p> Signup and view all the answers

At what temperature range do laying birds produce more eggs?

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

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

<p>Death occurs (B)</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 (A)</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 (D)</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 (D)</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 (D)</p> Signup and view all the answers

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

<p>LLT (B)</p> Signup and view all the answers

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