1. It takes 21 Kilograms of Protein fed to a calf to produce a single Kilogram of Animal Protein for human consumption
  2. Assume we have 1 acre of fertile land. We can use this acre to grow a high protein plant food, like peas or beans, if we do this, we will get between 300 and 500 pounds of protein per acre. Alternatively, we can use our acre to grow a crop that we feed to animals, and then kill and eat the animals. Then we will end up with between 40 and 55 pounds of protein from our acre.



References for the ArgumentsEdit

  1. Animal Liberation, Singer
  2. Animal Liberation, Singer

References for the ObjectionsEdit

Examples and AnecdotesEdit

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