(35) باب النَّهْىِ عَنِ الأَكْلِ، مِنْ لُحُومِ الأَضَاحِي بَعْدَ ثَلاَثٍ وَعَنْ إِمْسَاكِهِ
'Ali bin Abi Talib Said:
"The Messenger of Allah has forbidden you from eating the meat of your sacrificaial animals for more than three day." (Sahih )
Reference: Sunan an-Nasa'i 4425
In-book reference: Book 43, Hadith 65
English translation: Vol. 5, Book 43, Hadith 4430