Sayyiduna Thawban (may Allah be pleased with him) says: The Messenger of Allah (peace and blessings be upon him) slaughtered his sacrifice during a journey, then he (peace and blessings be upon him) said: "O Thawban! Prepare its meat." So I kept preparing its meat until we reached Madinah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19238