Measuring food consumption and excretion A 22g field mouse consumed 5g of mouse chow that had an energy content of 2Cal/g in 24hours and during that time produced urine and feces with an energy content of 6Cal. a. What was the amount of energy that the mouse used that day? b. What is the field mouse’ mass specific metabolic rate in J/g*hr?

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Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
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Measuring food consumption and excretion

A 22g field mouse consumed 5g of mouse chow that had an energy content of 2Cal/g in 24hours and
during that time produced urine and feces with an energy content of 6Cal.
a. What was the amount of energy that the mouse used that day?
b. What is the field mouse’ mass specific metabolic rate in J/g*hr?

Expert Solution
Step 1

Given : Weight of mouse = 22 g

Mass of food consumed = 5 g

Energy content of food = 2 Cal/g

Total time = 24 hours 

And the amount of energy produced by urine and feces = 6 Cal.

 

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