It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: You should only slaughter a two-toothed animal, but if this becomes difficult for you, then you may slaughter a jadha’ (one-year-old) sheep.

Abu Kabash says: I brought a yearling sheep of the breed to Madinah, but my business went bad, so I met Sayyiduna Abu Hurairah (may Allah be pleased with him) and asked him. He said: The Messenger of Allah (peace and blessings be upon him) said: "A yearling sheep of the breed is the best sacrifice." Then people rushed to me and started buying them.

It is narrated from Sayyiduna Uqbah bin Amir (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) distributed sacrificial animals among his companions. Sayyiduna Uqbah (may Allah be pleased with him) received a Jadh'a animal. When he asked the Noble Prophet (peace and blessings be upon him), he (peace and blessings be upon him) said: You may sacrifice it.

(Second chain) It is narrated from Sayyiduna Uqbah bin Amir (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) gave him goats so that he could distribute them among the companions of the Prophet (peace and blessings be upon him) as sacrificial animals. Thus, a one-year-old kid (which did not have two permanent teeth) was left. When he informed the Messenger of Allah (peace and blessings be upon him), he said: You may sacrifice it.

It is narrated from Sayyiduna Zaid bin Khalid Al-Juhani (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) distributed goats among his companions for sacrifice, and he gave me a Jadh'a (young) goat. I brought it to the Messenger of Allah (peace and blessings be upon him) and said: O Messenger of Allah! This is a Jadh'a. The Messenger of Allah (peace and blessings be upon him) said: You may sacrifice it. So I sacrificed it.

A man from the tribe of Muzaynah or Juhaynah narrates that the companions of the Holy Prophet (peace and blessings be upon him) used to give two young animals (Jadha') each, a day or two before Eid al-Adha, and in exchange would take one animal with two permanent teeth (Donda). The Messenger of Allah (peace and blessings be upon him) said: Indeed, a young animal (Jadha') suffices for what an animal with two permanent teeth (Donda) suffices.

It is narrated from Sayyida Umm Bilal (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him) said: Sacrifice a one-year-old sheep of the breed; its sacrifice is permissible.

Sayyidah Bilal (may Allah be pleased with her) narrates from her father Sayyiduna Hilal (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: The sacrifice of a one-year-old sheep is permissible.

It is narrated from Sayyiduna Ali bin Abu Talib (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) forbade sacrificing an animal whose ear is cut or whose horn is broken. The narrator Qatadah says: I asked Sa'id bin al-Musayyib (about the extent of 'adba), he said: Half or more than that is broken.

It is narrated from Sayyiduna Ali (may Allah be pleased with him), he says: The Messenger of Allah (peace and blessings be upon him) commanded us to carefully observe the eyes and ears and not to sacrifice those animals which are cross-eyed, have an ear cut from the front, have an ear cut from the back, have an ear split lengthwise, have a round hole in the ear, or have a cut nose. Zuhair says: I asked Abu Ishaq, did they mention ‘Azba’? He said: No. I said: What kind of animal is Muqabalah? He said: The one whose ear is cut at the edge. I said: What kind of animal is Mudabarah? He said: The one whose ear is cut from the back. Then he said: The ear of the animal used to be cut as a mark.