(6) باب مَنِ اقْتَنَى كَلْبًا لَيْسَ بِكَلْبِ صَيْدٍ أَوْ مَاشِيَةٍ
Narrated `Abdullah bin `Umar:
I heard the Prophet (ﷺ) saying, "If someone keeps a dog neither for hunting, nor for guarding livestock, the reward (for his good deeds) will be reduced by two Qirats per day."
Reference: Sahih al-Bukhari 5481
In-book reference: Book 72, Hadith 7
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 67, Hadith 390