I tried my hand at building a port feeder that has caps to keep food out of the coop and hopefully rats out of the food. I feel like some of the holes I made are a little high and wonder if they need to be full grown to get their heads in there far enough to reach the food. There are 6 ports. 2 each on the side and one on either end. I have 9 birds. My run is completely covered in hardware cloth but there are unavoidable gaps around the gates. I also have a small 8 pound open feeder that I can put away every night so there are 2 feeding stations but I wanted to have one out there all the time so there is always food on the occasion when my health keeps me from getting out there.