I use Donna's broomstick method. Her video was on youtube, but now its for registered only.
I find it very quick, effortless and the rabbit can be easily bled. I go from hopping to in the freezer bag in 10 minutes. I have not tried CO2, but expect this to cause gasping and panic---cervical dislocation is virtually instantainious and allows clean removal of the head too.<br /><br />__________ Tue Jun 01, 2010 4:10 pm __________<br /><br />looks like she had a bot fly, this am I saw an exit mark and its healing up. The lump in her neck is not. Either way, she will be put down this Sat for a demo on butchering and cleaning rabbits.