Sunan an-Nasa'i 4374
سنن النسائي#4374Da'ifIt was narrated that 'Ali bin Abi Talib, may Allah be please with him, said:"The Messenger of Allah forbade sacrificing an animals with its ears slit form the front, and animals with its ears slit form the back, and animal with its ears slit lengthwise, an animals with a round hole in tits ear, or an animals with its nose cut off
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 43:14