Ibn 'Umar reported that Messenger of Allah ﷺ forbade the eating of the (flesh) of domestic asses on the Day of Khaibar in spite of the fact that people needed that.
نَهَى رَسُولُ اللَّهِ ﷺ عَنْ أَكْلِ الْحِمَارِ الأَهْلِيِّ يَوْمَ خَيْبَرَ وَكَانَ النَّاسُ احْتَاجُوا إِلَيْهَا