Jami` at-Tirmidhi 1509
جامع الترمذي#1509SahihNarrated Ibn 'Umar:That the Prophet (ﷺ) said: "None of you should eat from the meat of his sacrificial animal beyond three days
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Bukhari And Muslim
In-book reference: 19:20