We haven't switched to the lower protein feed yet, and I'm wondering if that's a bad thing. The pigs were about 120 lbs. when we got them 5 weeks ago, and they're probably around 175 now. They're getting the 16% hog feed twice a day as a supplement, along with pasture, milk, and leftovers. We're planning to butcher them in early December. So, is it important to switch them to lower protein now?