Quote:
Originally Posted by DifferentPointofView
meat can only provide about 10% of the energy plants (like grains) can.
Energetically, meat is very expensive (it takes about 10 kg grain to make 1 kg of beef. As corn meal, the grain will supply the energy needs of 23 people, but feed to chickens, only 2)
It also takes more energy to make the energy for the things that make meat. For example:
It takes a certain amount of grain, to make enough bread to feed one person.
It takes 10 times the amount of grain, to feed the cows, to make enough meat to feed one person.
Plants are more efficiently better for the environment, and for the food chains and everything else.
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Not to say vegetarianism is a bad thing, but most of the food we feed to livestock is not fit for human consumption. In that sense, if we didn't eat some meat, a lot of that feed would essentially be wasted.