Calories is a great metric. Better than mass. However, what I really want to see is calories produced per a unit of time. It takes about 8 weeks to raise a mea

Calories is a great metric. Better than mass. However, what I really want to see is calories produced per a unit of time. It takes about 8 weeks to raise a meat chicken and about 80 for beef cattle. 1 Cow = 50 chickens.