Sayyiduna Uqbah bin Amir (may Allah be pleased with him) said: I asked the Messenger of Allah (peace and blessings be upon him) about a jadha'ah (young animal) of sheep, and he (peace and blessings be upon him) said: "Sacrifice it."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15025