Don't let Minecraft animal babies grow?

La
3

So I have so nh ask. Is there a command with which you can't grow up babies in minecraft tier babies? I think you understand what I mean. Me and a friend wanted to give birth to a baby polar bear forever and we're asking ourselves whether there's a command

pe

No command but you can look for mods on the internet, there are certainly such.

La

Okay we have but thanks.

im

Probably set the random tick speed to 0