A lid for use with a cage, including a top surface and a recessed portion which is recessed with respect to the top surface, a lower portion of the recessed portion having an aperture therethrough, the recessed portion including at least one sloped surface adapted to support a pouch, wherein in use the at least one sloped surface interacts with the pouch so that a content of the pouch can flow toward the aperture. 188 130 187 100 Fig 8 Fig 9
