"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"  

نَهَى رَسُولُ اللَّهِ ﷺ أَنْ نُضَحِّيَ بِمُقَابَلَةٍ أَوْ مُدَابَرَةٍ أَوْ شَرْقَاءَ أَوْ خَرْقَاءَ أَوْ جَدْعَاءَ