حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنْ سُلَيْمَانَ بْنِ يَسَارٍ، عَنْ عِرَاكِ بْنِ مَالِكٍ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ لَيْسَ عَلَى الْمُسْلِمِ فِي عَبْدِهِ وَلاَ فِي فَرَسِهِ صَدَقَةٌ ‏"‏ ‏.‏

Yahya related to me from Malik from Abdullah ibn Umar fromSulayman ibn Yasar from Irak ibn Malik from Abu Hurayra that theMessenger of Allah, may Allah bless him and grant him peace, said, "Amuslim does not have to pay any zakat on his slave or his horse." Translation Not Available

Book Ref: Muwatta Imam Malik Book 17 Hadith 614
Web Ref:  Muwatta Imam Malik Book 17 Hadith 38