"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.  

نَحَرْنَا فَرَسًا عَلَى عَهْدِ رَسُولِ اللَّهِ ﷺ فَأَكَلْنَاهُ وَقَالَ قُتَيْبَةُ فِي حَدِيثِهِ فَأَكَلْنَا لَحْمَهُ خَالَفَهُ عَبْدَةُ بْنُ سُلَيْمَانَ  

"We slaughtered (naharna) a horse during the time of the Messenger of Allah while we were in Al-Madinah, and we ate it." (Sahih )  

ذَبَحْنَا عَلَى عَهْدِ رَسُولِ اللَّهِ ﷺ فَرَسًا وَنَحْنُ بِالْمَدِينَةِ فَأَكَلْنَاهُ