It was narrated from Samurah that the Prophet of Allah said:
"Whoever castrates his slave, we will castrate him, and whoever mutilates his slave, we will mutilate him." This is the wording of Ibn Bashshar (one of the narrators).
وَعَنْ سَمُرَةَ - رضى الله عنه - قَالَ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ مَنْ قَتَلَ عَبْدَهُ قَتَلْنَاهُ, وَمَنْ جَدَعَ عَبْدَهُ جَدَعْنَاهُ } رَوَاهُ أَحْمَدُ, وَالْأَرْبَعَةُ, وَحَسَّنَهُ…