Ali said:"Messenger of Allah forbade us from sacrificing an animal with a broken horn." I (the narrator) mentioned that to Sa'eed bin Al_Musayyab and he said: "Yes, m unless half or more of the horn is missing
Hadith No. 4377
Sunan an Nasai
Gradings:
Abu Ghuddah:
Daif
Al-Albani:
Daif
Zubair Ali Zai:
Isnaad Hasan