The Agri-Farm Products 1 Qt. Trough for Piglets, AFP-153. This trough has two 9 mm holes on the back of the trough, so it is easy to attach and secure. The trough holds food at a comfortable height to prevent piglets from straining or reaching too high. The angled sides help contain their food. It’s made of durable plastic that won’t break like other models will. You can purchase this trough with confidence knowing your piglet’s food consumption rate will increase and help their growth and development.