Abstract: Trapping apparatus for livestock comprising a first barrier partially defining an enclosed area and having an entrance for admitting livestock into the enclosed area, a rotatable gate extending between the open ends of the first barrer and rotatable about a vertical support to sweep the enclosed area, a second barrier extending between one end of the first barrier and the gate support, and a detector for detecting livestock located within the enclosed area and arranged to initiate rotation of the gate whereby livestock located in the enclosed area are forced through an opening between the gate support and the other end of the first barrier.