Most non-commercial (i.e. "heritage") breeds stay much smaller. Still some variation of course. I'd suggest you look at the Royal Palms, they are one of the smallest and usually regarded as more ornamental than meat birds for just that reason (people raising for meat generally want the largest they can get). That breed is very common, at least in my area, there are usually several listings on craigslist, and that avoids having to buy 15 poults from a hatchery. Buying locally is great for a lot of reasons.
I have some mottled blacks, which are very close to royal palms (genetically). The hens are so tame they will fly up on my shoulder if I have my back turned to them. Real personality, so much you may find it hard to kill them (maybe they know that, LOL).
I have some mottled blacks, which are very close to royal palms (genetically). The hens are so tame they will fly up on my shoulder if I have my back turned to them. Real personality, so much you may find it hard to kill them (maybe they know that, LOL).