No, it really is inefficient. A huge portion of the materials livestock consume get converted into heat and waste products. And don't forget space - these wou

No, it really is inefficient. A huge portion of the materials livestock consume get converted into heat and waste products. And don't forget space - these would be domed colonies, so space would be absolutely critical. Here on earth humans have devised a way to raise food animals in a way that's (somewhat) reasonably efficient in terms of land used. But that method depends critically on armies of 30,000 lb. John Deere combines in order to produce sufficient quantities of feed crop without an enormous human labor input.