I started out with 13 RIR hens and 2 RIR roosters (all day-old chicks when I got them) in the last week of October, so they're about 8 weeks old now and fully feathered out. They've lived in a 4x4x4 brooder (indoors) since then. I lost one hen to pasty butt early on, and they were fine after...
I'm just getting started with chickens, having just ordered my first chicks online last week. We recently moved out of a small town and into the country, on 17.5 acres, where we're starting our homestead. They should be arriving in a couple weeks, so I've got a lot to learn in a short time...