(5) باب بَيَانِ مَا كَانَ مِنَ النَّهْىِ عَنْ أَكْلِ لُحُومِ الأَضَاحِيِّ بَعْدَ ثَلاَثٍ فِي أَوَّلِ الإِسْلاَمِ وَبَيَانِ نَسْخِهِ وَإِبَاحَتِهِ إِلَى مَتَى شَاءَ
Ibn 'Umar reported Allah's Apostle (ﷺ) having said:
None of you should eat the flesh of his sacrificial animal beyond three days. (RU)
Reference (RU): Sahih Muslim 1970 a (RU)
In-book reference (RU): Book 35, Hadith 37 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Book 22, Hadith 4853 (RU)