Sa'id bin Jubayr سعيد بن جبير الأسدي · The Book of ad-Dahaya (Sacrifices)

" "Some Bedouins came to Al-Madinah at the time of (Eid) Al-Adha and the Messenger of Allah said: 'Eat, and store (the meat) for three days.' After that they said: 'O Messenger of Allah, the people used to benefit form their sacrifices by melting down the fat, and (also) making water skins from them.' He said: 'Why are you asking?' He said: 'Because you forbade us form keeping the meat of the sacrificial animals.' He said: 'I only forbade that…

"I came in to 'Aishah and said: 'Did the Messenger of Allah forbid (eating) the meat of sacrificial animals after three day?' She said: 'Yes Hardship had befallen the people, and the Messenger of Allah wanted the rich to feed the poor.' Then she said: 'I remember the family of Muhammad eating the trotters after fifteen days. I said: 'Why is that" She laughed and said: 'The family of Muhammad never ate their fill of bread and something to go…

"I asked 'Aishah about the meat of the sacrificial animals and she said: 'We used to keep the trotters for the Messenger of Allah for a month, then he would eat them.""

"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 )