From Sahih Bukhari (Hadith 1719):
Narrated Ibn Juraij:`Ata' said, "I heard Jabir bin `Abdullah saying, 'We never ate the meat of the Budn for more than three days of Mina. Later, the Prophet (ﷺ) gave us permission by saying: 'Eat and take (meat) with you. So we ate (some) and took (some) with us.' " I asked `Ata', "Did Jabir say (that they went on eating the meat) till they reached Medina?" `Ata' replied, "No
Reference: Bukhari 1719