Port-A-Feeder lets you move the Liquid feed, Mineral, Salt blocks & Dust bags when you rotate Cattle from pasture to pasture!!! Customer Driven all the way ! At Five Star Supplement & Feed Products L.L.C., our focus is customer satisfaction! Our customers have requested a Portable Feeder! Above is the result of the those requests. Port-A-Feeder makes it easy to fill, easy to move and has enough wheels the calves can reach the supplement! Now when you move the cows you just hitch up the Port-A-Feeder and move the supplements too!!!