Board Thread:Questions and Answers/@comment-31358769-20170223135527

My Compys are coming along nicely, and I even have a system that "auto-culls" them when they grow too numerous (a moat). However, I'm stumped when it comes to all the cold eggs they drop. Since I have WorldEdit on my server, the /butcher [r] command works great when I manually type it in, but it won't work in a command block until 1.8, which I'm not using.

Is there an in-game system for auto-culling mobs like these eggs? Do I need to start looking for mods? 