We made provision (out of the flesh of sacrificed animals for our journey) to Medina during the lifetime of Allah's Messenger (ﷺ).
Sahih Muslim Book 35, Hadith 44
← Previous Hadith We did not eat the flesh of sacrificed animals beyond three (days), but then Allah's Messenger (ﷺ) commanded us to make it a provision for journey and cat it (beyond three days).

Sahih Muslim Book 35, Hadith 43 Next Hadith → O people of Medina, do not eat the flesh of sacrificed animals beyond three days. Ibn al-Muthanni said: Three days. They (the Companions of the Holy Prophet) complained to the Messenger of Allah (may peace he upon him) that they had children and servants of theirs (to feed), whereupon he said: Eat, and feed others, and store, and make it a provision of food.

Sahih Muslim Book 35, Hadith 45