A cikin ƙarni na 19, ƙawancen kan iyaka sun sami karɓuwa a tsakanin turawan Ingila. Har yanzu ana amfani da su a matsayin karnukan kiwo kuma ana kiyaye su azaman dabbobi. Saboda iyawar da suke da ita ta gaggawar horar da su, ana amfani da tarukan kan iyaka a cikin aikin ‘yan sanda, domin gano muggan kwayoyi da abubuwan fashewa, da kuma ayyukan bincike da ceto. Suna yin karnuka jagora masu kyau. Border Collie kwanan nan ya shiga cikin wasan kwaikwayo na Kennel Club na Amurka, amma wannan taron ya kasance tare da jayayya da zanga-zangar daga masu shayarwa waɗanda suka yi imanin cewa kiwo don kare lafiyar jiki na iya cutar da aikin wannan nau'in.
in Dogs