It’s possible to get babies lvl 400+ if you use massively mutated dinos as the host. My 1113 lvl mutated carchs have generated bugs lvl 700+, passing the carch’s melee of 1377%, 50k health, to the baby when using lvl 150 parent rhyniognatha. It is random which parent gives up it’s stat but pretty consistently I get at least two/three stat lines out of five I’ve mutated on the carch on each bug. Use the biggest dinos to get the best stat transfer. Rexes work but the bug level will be lower even with all cravings satisfied. 150 bug parent on an over 250lvl Rex generates bugs lower than 200 on average.