(35) باب النَّهْىِ عَنِ الأَكْلِ، مِنْ لُحُومِ الأَضَاحِي بَعْدَ ثَلاَثٍ وَعَنْ إِمْسَاكِهِ
It was narrated from Ibn 'Umar that:
the Messenger of Allah forbade eating the meat of sacrificial animals after three days" (Sahih ) (RU)
Reference (RU): Sunan an-Nasa'i 4423 (RU)
In-book reference (RU): Book 43, Hadith 63 (RU)
English translation (RU): Vol. 5, Book 43, Hadith 4428 (RU)