إِمْسَاكِ الأُضْحِيَةِ فَوْقَ ثَلاَثَةِ أَيَّامٍ ثُمَّ قَالَ " كُلُوا وَأَطْعِمُوا "
It was narrated that Abu sa'eed Al-aKhudri said: "The Messenger of Allah forbade keeping the meat of the sacrificial animals for more than three days, then he said: 'Eat and feed other,"' (Sahih )