Sunan an-Nasa'i 4328
سنن النسائي#4328SahihIt was narrated that Jabir said:"The Messenger of Allah allowed us to eat the flesh of horses but he forbade the flesh of donkeys
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 42:66