Sahih Muslim 5104
صحيح مسلم#5104SahihJabir reported that Allah's Apostle (ﷺ) forbade eating of the flesh of sacrificed animals beyond three (days). but afterwards said:Eat, make a provision, and keep it
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: 35:41