سُنَنُ النَّسَائِيِّ
Sunan an-Nasa’i 4328
The Book of Hunting and Slaughtering
Permission To Eat Horse Meat
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ عَمْرٍو، عَنْ جَابِرٍ، قَالَ أَطْعَمَنَا رَسُولُ اللَّهِ صلى الله عليه وسلم لُحُومَ الْخَيْلِ وَنَهَانَا عَنْ لُحُومِ الْحُمُرِ .
It was narrated that Jabir said: "The Messenger of Allah allowed us to eat the flesh of horses but he forbade the flesh of donkeys."
Sunan an-Nasa'i, 4328Sahih (Darussalam)