Breeding currently fails before the Juvenile stage, the effects of Hypothermia Or hyper-thermia are far too great for the babie. Hypothermia can be over come with Fires of most types, however there is no way to counter act HYPER thermia, so babies will over heat and expire well before the juvenile stage.
This also includes Walking them into water, the water of a lake or the ocean has no effect on the animal and they still over heat.
Please address this as we have lost 10 babies attempting breeding, and have watched them all die to overheating