> Of course a cow should be more work to raise than a chicken. But it has so many times more meat on it than a chicken, and is more energy efficient per calorie consumed too.
Wikipedia says quite the opposite:
"Two kilograms of grain must be fed to poultry to produce 1 kg of weight gain, much less than that required for pork or beef."
Wikipedia says quite the opposite:
"Two kilograms of grain must be fed to poultry to produce 1 kg of weight gain, much less than that required for pork or beef."
https://en.wikipedia.org/wiki/Poultry_farming#Efficiency