Umm, you do realise they're not killed like that, right? Not all cattle are raised like that either.
Way to overdramatise it.
http://en.wikipedia.org/wiki/Captive_bolt_gun
Note the key point : "The stunning is essential to prevent the pain and suffering of the animal while sticking (bleeding)."
Also, the argument that raising livestock means people starve due to lack of food is a complete fallacy, there's more than enough food produced each year to feed every person on the planet, it's just so much of it goes to waste because of poor distribution. People will starve regardless of whether livestock are raised or not, it's down to governments to distribute food, whatever the source.






