Volume 4 · Book 52 · Hadith 223
Narrated Jabir bin 'Abdullah: During the life-time of the Prophet we used to take the meat of sacrificed animals (as journey food) to Medina. (See Hadith No. 474 Vol. 7)
— Sahih Bukhari, Volume 4, Book 52: Fighting for the Cause of Allah (Jihaad), Hadith #223