If you think birds have a long drawn out nerve response.... try butchering a turtle. Yikes!
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Rather than caused by continuation of signals, it is due to the lack of signals. The lack of signals from the CNS causes all the muscles to spasm. Take a fresh tissue with nerve attached, pinch the nerve, as long as the tissue still has ATP, the tissue will twitch. Place tissue in a ringers solution and you can electrically stimulate a nerve and the muscle will keep on contracting. Might google a bit about the frog leg experiment commonly done in classes.I was thinking about that whole head chopping thing and found this old thread. I was wondering if that flopping around is a continuation from their last controlled response?
My butchering experience defies this, in that our birds don't see us coming at them. We place them in the kill cone so they're snugly confined and honey firmly grasps the head, covering the eyes. They're not stressed, struggling or breathing hard at this point. One hard cut and the head is cleanly off. One of the reasons we butcher ourselves is to NOT stress the bird and have an adrenaline flood going through the tissue at time of death.I was thinking about that whole head chopping thing and found this old thread. I was wondering if that flopping around is a continuation from their last controlled response? What I mean is, they are breathing fast, mouth open, staring at you with the axe; next thing they know, the axe is coming right at their head and they probably say RUN!...too late, the heads off but the body goes nuts. I was further wondering if somehow they couldn't see in that last moment, if the flopping would still happen or to the same degree? I may try it this year. The other question I had is: what is a 'killing cone'? I saw someone advertising some chicken equipment and among the listings was a killing cone. Maybe that is so the chicken doesn't see.....