Think about all the creative ways they can do that now since they have seen some recipes.

It’s a stress reaction instinct thing if someone reading this didn’t know already. Something like “they’re not going to survive anyway, better use the resources myself to be able to escape and make more”. Many mammals kill their own young when stressed, I theoretize it could be somewhat behind post-partum depression as well since that can create strong feelings about how you have to kill your baby