Sahih al-Bukhari 1463
صحيح البخاري#1463Sahihحَدَّثَنَا آدَمُ، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ دِينَارٍ، قَالَ سَمِعْتُ سُلَيْمَانَ بْنَ يَسَارٍ، عَنْ عِرَاكِ بْنِ مَالِكٍ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " لَيْسَ عَلَى الْمُسْلِمِ فِي فَرَسِهِ وَغُلاَمِهِ صَدَقَةٌ ".
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "There is no Zakat either on a horse or a slave belonging to a Muslim
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 24:65