Original sentence: Pithing is a slaughtering technique in which the spinal cord of the animal is severed.The purpose of pithing is to immobilize the animal after "stunning" and before slaughter
Edited sentence: Every year, millions of frogs are killed by pithing: Frogs who never harmed anyone, and yet are tortured to death.Pithing is most commonly used on poor defenseless frogs in Biology classes.See The National Anti-Vividation Society, , for more information.The barbaric and cruel act of severing the spinal chord on an animal (or a human) prior to conducting harmful acts such as dissection (vividation) of live animals