Cows can eat what people can't. This may have been the source of the semitic proscription on pork: that they compete with people for the same calories. Of cour

Cows can eat what people can't. This may have been the source of the semitic proscription on pork: that they compete with people for the same calories. Of course now we feed cows mostly corn. If everyone gave up eating meat from animals fed farm output, the looming climate catastrophe would just fade away.