an adapter for use in a system for collecting colostrum and / or milk from a breast may include : a body having a predominantly cylindrical shape ; a first open end of the body for connecting to a funnel device ; a second open end of the body for connecting to a source of suction ; a side port between the first and second ends for connecting to a fluid collection device ; a catchment area at or near the side port ; and a blocking member between the side port and the second end , for preventing colostrum from passing beyond the side port and through the second end . the blocking member may include at least one aperture for allowing suction force to be transmitted from the second end to the first end .