It has a slightly broad tip which prevents breaking but is less adept at piercing.
Serrations are like the teeth of a saw and are used largely in the same way.
If you plan to open up an abdomen, a gut hook is a good idea.
via gpknives.com
Thankfully weve devised less horrifying ways of neutering livestock these days.
The long back that meshes into the blunted top is the defining feature here.