Self-Serving: some animals are more equal than othersOil on canvas 16x20 inches Self Serving: Some animals are more equal than others." Oil on deep canvas, 16x20. Its a play on what people typically think of the definition of "self serving". Yes, the pigs are self serving, exploiting the animals under them for their own benefit with no consciense or second thought, but also the chicken is literally "self serving", with all she has to give to the system, from what she produces all the way down to being