Sahih Muslim 4021
صحيح مسلم#4021SahihIbn Mughaffal reported:Allah's Messenger (ﷺ) ordered the killing of dogs and then said: what is the trouble with them (the people of Medina)? How dogs are nuisance to them (the citizens of Medina)? He then permitted keehing of dogs for hunting and (the protection of) herds
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: 22:60