Sahih al-Bukhari 5524
صحيح البخاري#5524SahihNarrated Jabir bin `Abdullah:The Prophet (ﷺ) prohibited the eating of donkey's meat on the day of the battle of Khaibar, and allowed the eating of horse flesh
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 72:50