Cutting device, a system including a cutting device and a method for cutting free a rectum end portion of an animal carcass

A cutting device for cutting loose a rectum end portion of an animal carcass, comprising:

• a carrying member,
• a drilling member rotatably mounted on the carrying member, the drilling member comprising a tubular drilling wall portion surrounding an interior drilling space, the drilling wall portion having an open cutting end and a rear end opposite the open cutting end,
• a centering mandrel arranged coaxially with the drilling wall portion, the mandrel having a leading end, the leading end being configured to enter an anal opening of the carcass, at least a portion of the mandrel being circumferentially surrounded by the drilling wall portion so as to define an annular space circumferentially surrounding the mandrel,
• suction means for applying suction to the interior drilling space via one or more inlet openings,
• wherein the cutting device further comprises one or more venting openings, different from the one or more inlet openings and different from the open cutting end, configured to allow air to enter the interior drilling space.