Al-Kāfi
Hadith 855مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنْ إِبْرَاهِيمَ بْنِ أَبِي الْبِلَادِ قَالَ سَأَلْتُ أَبَا عَبْدِ اللَّهِ ( عليه السلام ) عَنْ ذَبِيحَةِ الْخَصِيِّ فَقَالَ لَا بَأْسَ .
6. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from Ibrahim ibn abu al-Balad who has said the following: “I once asked abu ‘Abd Allah (a.s.), about an animal slaughtered by a castrated person. He (the Imam) said, ‘It is not unlawful to use it for food.’”