Sahih Muslim 4979
صحيح مسلم#4979SahihSha'bi reported:I heard Adi b. Hatim say-and he was our neighbour, and our partner and co worker at Nahrain-that he asked Allah's Apostle (may peace he upon him) saying: I let off my dog and find another dog along with my dog and that (any one of them) catches the (game), but I do not know which one had caught it, whereupon he (the Holy Prophet) said: Then don't eat that, for you recited the name of Allah while letting off your dog and did not recite on the other
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: 34:8