The Messenger of Allah forbade on the Day of Khaibar, the temporary marriage of women and (he forbade) the flesh of domestic donkeys. (Using translation from Ibn Mājah 1961)
أَنَّ رَسُولَ اللهِ ﷺ «نَهَى عَنْ مُتْعَةِ النِّسَاءِ يَوْمَ خَيْبَرَ وَعَنْ لُحُومِ الْحُمُرِ الْإِنْسِيَّةِ»