• Exploration and learning of demand-feeding in Atlantic cod (Gadus morhua) 

      Nilsson, Jonatan; Torgersen, Thomas (Journal article; Peer reviewed, 2010-08-15)
      A bite–and–pull demand–feeding system was introduced to groups of cultured cod (Gadus morhua). For half of the groups trigger actuations were rewarded with food, while actuations were unrewarded in the other groups. ...