“I will admit that I am not familiar with the butcher process for pigs and cattle, but I highly doubt they disembowel the cow and or rip calves from wombs, that is unnecessary.
They were chucking spears at the whales like some backwards hellhole in Africa.”
You have no idea about butchering.The first thing that is done is the animal is hung and gutted.
I also understand that they come in pistol style and pneumatic powered versions.
http://en.wikipedia.org/wiki/Captive_bolt_pistol
Captive Penetrating Bolt Gun Cattle Stunner
Something like this might have caused the "half inch round hole, with no bullet fragments" that was found in the top of Ron Brown's skull.