Sayyiduna Uqbah bin Amir (may Allah be pleased with him) says: We sacrificed jadha'ahs of sheep with the Messenger of Allah (peace and blessings be upon him).
(b) Mu'adh bin Abdullah bin Khubayb al-Juhani says: I asked Sa'id bin al-Musayyab about the jadha'ah of sheep, and he said: Sacrifice it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19066