Sahih Muslim 4035
صحيح مسلم#4035SahihAbu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying:He who kept a dog, but not meant for hunting or watching the herd, would lose one qirat of reward every day
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 22:74