“The Messenger of Allah (ﷺ) forbade the flesh of horses, mules and donkeys.”
Sunan Ibn Majah Book 27, Hadith 37
← Previous Hadith “We used to eat the meat of horses.” I said: “And mules?” He said: “No.”

Sunan Ibn Majah Book 27, Hadith 36 Next Hadith → “We asked the Messenger of Allah (ﷺ) about the fetus. He said: ‘Eat it if you wish, for it is considered legally slaughtered with the slaughtering of its mother.’”

Sunan Ibn Majah Book 27, Hadith 38