We cannot talk simultaneously about animal rights and the 'humane' slaughter of animals.

None of that is necessary. It's not as if we're in a situation where it is us or them.There's something peculiar about talking about the moral status of animals, when we are killing and eating them for no reason whatsoever.

The distinction between meat and other animal products is total nonsense. Vegetarianism is a morally incoherent position. If you regard animals as members of the moral community, you really don’t have a choice but to go vegan.

But if there were two dogs left in the universe and it were up to us as to whether they were allowed to breed so that we could continue to live with dogs, and even if we could guarantee that all dogs would have homes as loving as the one that we provide, we would not hesitate for a second to bring the whole institution of 'pet' ownership to an end.

Even if plants were sentient, veganism would still be a moral imperative given that it takes many pounds of plants to produce one pound of flesh.

To say that a being who is sentient has no interest in continuing to live is like saying that a being with eyes has no interest in continuing to see. Death—however “humane”—is a harm for humans and nonhumans alike.

We proclaim human intelligence to be morally valuable per se because we are human. If we were birds, we would proclaim the ability to fly as morally valuable per se. If we were fish, we would proclaim the ability to live underwater as morally valuable per se. But apart from our obviously self-interested proclamations, there is nothing morally valuable per se about human intelligence.