Eli5: how can egg hen lay egg EVERY day? Isn’t the processus of making eggs extremely needing in terms of energy?

Question

An egg weights about 60g in average, and a hen 3kg, how the hen can produce every day something about 2% of it’s weight like this? Which kind of metabolism the hen have to achieve this?

In: 32

Answer 1

They spend plenty of time eating. Pretty much their whole existence is eating in order to lay eggs