Ibn ‘Umar said “The Apostle of Allaah ﷺ allotted three portions for a man and his horse, one for him and two for his horse. (Using translation from Abū Dāʾūd 2733)
أَنَّ رَسُولَ اللهِ ﷺ أَسْهَمَ لِلرَّجُلِ وَفَرَسِهِ ثَلَاثَةَ أَسْهُمٍ سَهْمًا لَهُ وَسَهْمَيْنِ لِفَرَسِهِ