Rotational grazing has a LOT to recommend it, particularly in parasite control, but also in pasture maintenance. Its something we considered ourselves and originally planned to do, but budget considerations and my animals abilities as escape artists made it impractical. I couldn't quarter 5 acres with a 6' high fence and set up four differnt "house" structures which were suited for goats or chickens or "whatever" depending on what livestock was being rotated thru at the moment. I could, eventually, have run water to each of them.There are ways to change the formula for sure, like one woman I saw had a wagon wheel pasture setup that looked realistic. So you know if you have like 5 acres and rotate the into 7+ different pastures. Like you said you can self butcher, I've got that setup but I wouldn't want to do 250lbs x3 in August in my garage. The deer is enough work in colder temperatures. For lots of no b.s. info check out the "Homesteading the hard way" channel and the best feed and water setup I saw (and copied) without buying a $600 commercial feeder is here on "Keeping it Dutch" do yourself a favor and skip to 8:23. I basically did his setup with a hoop house and a loading shoot. If I have time to relearn how to post pictures I'll share. I think it's an awesome setup for growing them out but I've had them exactly a week. I like it a lot so far though and I have a YouTube University P.H.D. degree in pig farming over the last 3 months.
If I thought I was going to start breeding I would look up breeds that don't keep growing their entire life. The red wattles look interesting but that wasn't a focus of my studies.
With a much larger budget, oh yeah. I'd redo things, using the barn as the center spoke. Its placed in the middle of the pasture for just that reason.