While I don't agree with cutting the eggs at day 30, I also don't agree with cutting them at day 55. The little guys come out on their own, eventually. That being said, it's all about whatever works for you and obviously, it works for the OP. I seriously doubt he would put a potentially expensive offspring at risk if he had bad luck in the past.

IMO, the egg was cut too early, but I'm pretty sure people would be surprised how many large breeders cut at day 40 (and some under). I'm glad it's doing fine though, good luck with the little guy.