Sahih Muslim Book 021, Hadith Number 4767.
Hadith Section/Book: Sahih Muslim Sahih Muslim Book 21. Games and Animals Which May be Slaughtered
Chapter : The eating of the flesh of domestic asses is unlawful.
Ibn 'Umar reported that Allah's Messenger (may peace be upon him) forbade the eating of the (flesh) of domestic asses on the Day of Khaibar in spite of the fact that people needed that.