Jabir said they were not accustomed to eat the flesh of their sacrificial camels for more than three days, but God’s messenger gave them licence saying, “Eat and preserve the meat,” so they did so. Bukhari and Muslim.
Hadith Referenceمشكوة المصابيح / كتاب المناسك / 2639
Hadith Gradingالألبانی:مُتَّفق عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (1719) و مسلم (1972/30)»