Animal Cruelty - Is There a Number of Animals That Would Outweigh Slavery?

The difficulty in that question lies in the intuition that many people have to just say that there is no number of animals that could suffer and die that would possibly outweigh something like slave trade. morally if we're going to be mature about it we have to accept that, he says. "I'm interested again in in terms of speaking of the difficulty that people would have to actually accept these moral principles intuitively speaking"