It was narrated from 'Amr bin Shu'aib, from his father, from his father Muhammad bin 'Abdullah bin 'Amr - or on one occasion he said: from his father, form his grandfather - the on the Day of Kahaibar, the Messenger of Allah forbade the flesh of domesticated donkeys and of al-Jallalah (animals that eat dung), and (he forbade) riding them and eating their mat."