Sayyiduna Anas (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) passed by Dhu al-Hulayfah and ordered that the sacrificial animals be marked (ish'ar).
Al-Bazzar recorded it. I have not found anyone who mentions al-Bazzar's teacher, Muhammad bin Ishaq bin Aban. The rest of its narrators are the narrators of the "Sahih".
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الحج / 5394
Hadith Gradingمحدثین:إسناده ضعیف
Hadith Takhrij«اخرجه البزار فى المسند (1105) ، أخرجه البحر الزخار المعروف بمسند البزار 10 - 18 برقم: 7116»
Sayyiduna Abu Hurayrah (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) marked (the sacrificial animal) and garlanded it (by placing a garland around its neck).
Al-Tabarani recorded it in al-Mu'jam al-Awsat. Its chain contains a narrator, Sufyan bin Waki', who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الحج / 5395
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«أخرجه المعجم الأوسط للطبراني برقم: 5556»