Hadith 1:29
Narrated Anas bin Malik (rad):
On the day of Khaibair, Allah’s Messenger (ﷺ) commanded Abu Talha to announce: “Allah and His Messenger have prohibited for you (eating of) the flesh of the donkeys, for it is unclean”. [Agreed upon].
وَعَنْهُ قَالَ: { لَمَّا كَانَ يَوْمُ خَيْبَرَ, أَمَرَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -أَبَا طَلْحَةَ, فَنَادَى: "إِنَّ اَللَّهَ وَرَسُولَهُ يَنْهَيَانِكُمْ عَنْ لُحُومِ اَلْحُمُرِ]اَلْأَهْلِيَّةِ], فَإِنَّهَا رِجْسٌ" } مُتَّفَقٌ عَلَيْه ِ (34)
Original Reference: Bulugh al-Maram 25