Half learned/environment/culture/no father. Other half is genetic predisposition. Many people still sticking their heads in the ground about this. Its a difficult realization to come to grips with. Different groups of people around the world are have some negative traits imbued into them
5+ years ago, some billionaire in BC Canada dumped thousands of tons of iron into the water off the coast there to trigger a plankton boom. Mixed results. He was chastised for it but that was about it... we have little idea of the long term ramifications. Theres prob a few articles out there unless it was scrubbed from the net
You need several hens per rooster 5+. The guys rough up the girls backside if not enough of them.
Also room. 2 hens in one of my neighbors backyard. Typical suburban space, not a shred of green. The hens have eaten and dug everything to the brown dirt.
With all the 3rd world migrants they let in recently they're slowly starting to understand. A painful process for those targeted by violence or harassment