We are going to defend what may appear to be a controversial position: that our moral rejection of meat, dairy, eggs, and all other animal products as food is required according to our conventional morality concerning animals. That is, if you reject the idea that animals are things that have no moral value whatsoever, you are morally committed to adopting a vegan diet. And you don’t even need to embrace a theory of animal rights.http://www.theeuropean-magazine.com/gary-l-francione/10366-the-morality-of-eating-meat-eggs-and-dairy