Milk Bar 5 Calf Hanging Feeder. The Milk Bar 5 Compartment is ideal for group hutches, for training pens or for calves that need a little more love and attention. Light, easy to carry and highly durable. No wonder it’s in hot demand! Features DPT – Drip Proof Technology which ensures proper feeding intake. Holds 8 gal / 30 L of milk. Each compartment holds .7 gal / 2.5 L.