Sahih al-Bukhari 3325
صحيح البخاري#3325Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ، حَدَّثَنَا سُلَيْمَانُ، قَالَ أَخْبَرَنِي يَزِيدُ بْنُ خُصَيْفَةَ، قَالَ أَخْبَرَنِي السَّائِبُ بْنُ يَزِيدَ، سَمِعَ سُفْيَانَ بْنَ أَبِي زُهَيْرٍ الشَّنَئِيَّ، أَنَّهُ سَمِعَ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " مَنِ اقْتَنَى كَلْبًا لاَ يُغْنِي عَنْهُ زَرْعًا وَلاَ ضَرْعًا، نَقَصَ مِنْ عَمَلِهِ كُلَّ يَوْمٍ قِيرَاطٌ ". فَقَالَ السَّائِبُ أَنْتَ سَمِعْتَ هَذَا مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ إِيْ وَرَبِّ هَذِهِ الْقِبْلَةِ.
Narrated Sufyan bin Abi Zuhair Ash-Shanai:That he heard Allah's Messenger (ﷺ) saying, "If somebody keeps a dog that is neither used for farm work nor for guarding the livestock, he will lose one Qirat (of the reward) of his good deeds everyday
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: 59:131