"On the Day of khaiber we caught some donkeys outside the village and we cooked them. Then the caller of the Prophet called out: 'The Messenger of Allah has forbidden the flesh of donkeys, so turn over your cooking pots with whatever is in them.' So we turned them over."
Sunan an-Nasa'i Book 42, Hadith 77
← Previous Hadith "On the Day of Khaibar, the Messenger of Allah forbade the flesh of domesticated donkeys, cooked or raw."

Sunan an-Nasa'i Book 42, Hadith 76 Next Hadith → "The Messenger of Allah reached Khaibar in the morning, and they came out to us carrying their shovels. When they saw us they said: 'Muhammad and the army!' And they rushed back inot the fortress. The Messenger of Allah raised his hands, then he said: ' Allahu Akbar, Allahu Akbar, Khaibar is destroyed. Verily, when we descend in field of a people (i.e. near to them), evil will be the morning for those who had been warned! Acquired some donkeys there and we cooked the., Then the caller of the Prophet called out: 'Allah and His Messenger forbid you to eat the flesh of donkeys, for it is an abomination."'

Sunan an-Nasa'i Book 42, Hadith 78