وَعَنْ جَابِرٍ
أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى يَوْمَ خَيْبَرَ عَنْ لُحُومِ الْحُمُرِ الْأَهْلِيَّةِ وَأَذِنَ فِي لُحُومِ الْخَيْلِ
On the day of Khaibar God’s messenger forbade the flesh of domestic asses, but permitted horseflesh.
Mishkat al-Masabih 3942, Book 21, Game and Animals Which May Be Slaughtered, Hadith 43. 1 min read