If there are 5,000,000 kcal of energy stored in grain that could be fed either to beef cattle or humans and you choose to feed the grain to the cattle to fatten them up for the humans,how many kcal would now be available as beef to feed the humans?

Question

Quizplus · Accepted Answer

It takes about 10 kcal of grain to produce 1 kcal of beef. Therefore, if 5,000,000 kcal of grain are fed to the cattle, only 500,000 kcal of beef will be available to feed the humans (5,000,000/10 = 500,000).

If There Are 5,000,000 Kcal of Energy Stored in Grain