since raised animals are vastly outnumbered by wild animals
That doesn't sound true if you weight by intelligence (which I think you should since intelligent animals are more morally significant). Surely the world's livestock outnumber all the other large mammals.
That's... a very good point, now that you mention it. Thanks for suggesting it! I looked into the comparisons in the USA (obviously, we're not only concerned about the USA. Some countries will have a higher population of wild or domestic, like Canada vs. Egypt. I have no idea if the US represents the average, but I figure it would be easiest to find information on.
That said; some very rough numbers:
Mule & black-tailed deer populations in USA: ~5 million (2003) (Source)
White-tailed deer population in USA: ~15 million (2010?) (Source)
Black bear populatio...
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.