أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا يَحْيَى، عَنْ خُثَيْمٍ، قَالَ حَدَّثَنَا أَبِي، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لَيْسَ عَلَى الْمَرْءِ فِي فَرَسِهِ وَلاَ فِي مَمْلُوكِهِ صَدَقَةٌ " .
It was narrated from Abu Hurairah that the Prophet said: "A person does not have to pay Sadaqah on his horse or his slave." Translation Not Available
Book Ref: Sunan An Nisai Book 23 Hadith 2470
Web Ref: Sunan An Nisai Vol 3 Book 23 Hadith 2472