12 Questions
What is the primary purpose of livestock production?
To convert energy in feed into products
What happens to milk production when an animal is outside its comfort zone?
It decreases
What is the thermoneutral zone (TNZ) of an animal?
The range of temperatures without regulatory changes in metabolic heat production or evaporative heat loss
What happens to an animal's immunity when it is outside its comfort zone?
It decreases
What is the lower critical temperature (LCT) of an animal?
The temperature below which an animal must generate heat
At what temperature range do laying birds produce more eggs?
At 13-24 °C
What is the consequence of an organism's thermal tolerance being exceeded?
Death occurs
What is the term for the transfer of thermal energy associated with a change in temperature?
Sensible heat
What is the result of the hypothalamo-pituitary adrenal axis activation?
Synthesis and secretion of glucocorticosteroids, leading to debilitating effects
What is the term for the transfer of heat from an object to the environment through radiation?
Radiation
What is the consequence of glucocorticosteroids over weeks or longer?
Suppression of the immune system, promotion of protein loss, neuronal cell death, and suppression of growth
What is the term for the lower lethal temperature, below which an organism dies?
LLT
Explore the purpose and benefits of livestock production, including the conversion of feed into products like milk, eggs, and meat. Learn about the effects of environmental factors on livestock and the importance of comfortable living conditions.
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