Why do marginal seedlings break their tails so easily?

This kind of situation is generally easy to appear on small turtles, and chinemys reevesii's tail is generally difficult to break, unless there are many turtles mixed together and biting each other, or the breeding level is really poor. If the tortoise's tail is broken, no matter how small it is, it will never grow back. If the tail is crooked instead of broken, then after a while, the crooked tail will fall off and can't grow back.