Not sure if anyone would be interested but a couple years ago I helped design and conduct a year long research project on the effects of confinement on chicken behavior and eventually the paper was published. Just thought I'd cite it in here in case anyone were curious I'm a super big advocate against factory farming and there isn't that much research out there on how specifically confinement effects the chickens themselves. Definitely needs more work in the area but with the resources I had access to, it had interesting results!
https://www.emerginginvestigators.o...ve-learning-of-em-gallus-gallus-domesticus-em
Here's the pdf as well
https://www.emerginginvestigators.o...earning-of-em-gallus-gallus-domesticus-em/pdf
https://www.emerginginvestigators.o...ve-learning-of-em-gallus-gallus-domesticus-em
Here's the pdf as well
https://www.emerginginvestigators.o...earning-of-em-gallus-gallus-domesticus-em/pdf