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12 Questions

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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?

It decreases Signup and view all the answers

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

The temperature below which an animal must generate heat Signup and view all the answers

At what temperature range do laying birds produce more eggs?

At 13-24 °C Signup and view all the answers

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

Death occurs Signup and view all the answers

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

Sensible heat Signup and view all the answers

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

Synthesis and secretion of glucocorticosteroids, leading to debilitating effects Signup and view all the answers

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

Radiation Signup and view all the answers

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 Signup and view all the answers

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

LLT Signup and view all the answers