Sahih Muslim | Book 21 | Hadith Number 4780

Narrated by Jabir b. 'Abdullah
Jabir b. 'Abdullah is reported to have said: We ate during the time of Khaibar the (flesh) of horses and of wild asses, but Allah's Messenger (may peace be upon him) prohibited us (to eat) the flesh of domestic asses. This hadith has hen transmitted on the authority of Ibn Juraij.