Well no it might spend that much water, but if the egg is eaten then the water is not wasted. Also where is this water coming from and going to? It's not a zer

Well no it might spend that much water, but if the egg is eaten then the water is not wasted. Also where is this water coming from and going to? It's not a zero sum. The chicken may need this much water to produce an egg but the water doesn't disappear. It goes back into the same system it came from.