fallout wrote:36-108+ hours is an insane amount of RNG to finish taming an animal.
Also, what happened to near instantaneous romping? After having tamed 3 female cows and a few males, they've been together with the area loaded for 100 hours and none of them are with calf.
Iirc, animals need to be above a satiation threshold to mate. But they don't eat before they drop out of this since eating is semi-randomly timed. You can have animals get out of sync, never having both of them in the satiation window at the same time so they can breed.
It can take a week for them to sync up in my experience. It's absolutely horrible.