Sunan an Nasai
4420
Sahih+2

It was narrated that Asma said:"We slaughtered (Naharna) a horse during the time of Messenger of Allah and ate it." In his hadith Qutaibah (one of the narrators) said: "And we ate its meat." (Sahih ) 'Abdah bin sulaiman contradicted him

SahihAbu Ghuddah
SahihAl-Albani