“…Calves with contact with the mother for 2-12 weeks showed higher social activity and less abnormal oral behaviour, e.g. cross-sucking, than those separated from the mother within the first 24 h (Flower and Weary, 2001;Fröberg and Lidfors, 2009;Roth, 2008;Roth et al, 2009a;Wagner et al, 2013). Furthermore, calves that were reared in a pen together with their dams for 4 weeks and fed via bucket struggled less during a restraint test than single-or pair-reared calves (Duve et al, 2012).…”