To make caring for their pets more convenient, abanini bezilwanyana zasekhaya bahlala bekhetha ukuthenga izixhobo zezilwanyana ezihlakaniphile, ezinje ngezondla ezizisebenzelayo kunye nezixhobo zokuhambisa amanzi ezikrelekrele. Nangona kunjalo, these devices share a common drawback: abanako ukuchonga ngokuchanekileyo isazisi sesilwanyana ngasinye, ukwenza ukuba kungenzeki ukuqinisekisa ukuba isilwanyana ngasinye sifumana isixa esifanelekileyo sokutya. During feeding, pets may compete for food. …