Jabir b. 'Abdullah reported that Allah's Messenger (ﷺ) prohibited eating of the flesh of domestic asses on the Day of Khaibar, and permitted the cooking of the flesh of horses

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 (ﷺ) prohibited us (to eat) the flesh of domestic asses

This hadith has hen transmitted on the authority of Ibn Juraij