the Messenger of Allah forbade eating the meat of the sacrificial animals after three days then he said: "Eat, take some with you (if traveling). And store some." ( Sahih)
أَنَّهُ أَخْبَرَهُ أَنَّ رَسُولَ اللَّهِ ﷺ نَهَى عَنْ أَكْلِ لُحُومِ الضَّحَايَا بَعْدَ ثَلاَثٍ ثُمَّ قَالَ كُلُوا وَتَزَوَّدُوا وَادَّخِرُوا