Cows may have larger brains, but they also have much bigger bodies. They aren't anywhere near as intelligent as dogs. Now, with pigs, you have a point. They're

Cows may have larger brains, but they also have much bigger bodies. They aren't anywhere near as intelligent as dogs. Now, with pigs, you have a point. They're indeed very smart. I justify eating pigs by reasoning that pigs will happily eat humans if they get a chance (a few pig farmers lose their lives that way every year, plus there's the occasional serial killer...). Turnabout is fair play.