Sahih Muslim , Book 22, Hadith 4857 (USC-MSA) ⓘ
Jabir reported that Allah's Apostle forbade eating of the flesh of sacrificed animals beyond three (days). but afterwards said: Eat, make a provision, and keep it.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ نَهَى عَنْ أَكْلِ لُحُومِ الضَّحَايَا بَعْدَ ثَلاَثٍ ثُمَّ قَالَ بَعْدُ " كُلُوا وَتَزَوَّدُوا وَادَّخِرُوا " .
also referenced under: Book 35, Hadith 41 (In-Book) & Hadith 1972 (Reference)