Al-Kāfi - The Book of Haj

Chapter: The Case of a Sacrificial Animal Used for Transportation That Gives Birth or Milk َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َّدٍ عَنْ عَلِيِّ بْنِ الْحَكَ٠ِ عَنِ الْعَلاءِ عَنْ ٠ٍ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ السَّلاَ٠) قَالَ سَأَلْتُهُ عَنِ الْبَدَنَةِ تُنْتَجُ أَ نَحْلُبُهَا قَالَ احْلُبْهَا حَلْباً غَيْرَ ٠ُضِرٍّ بِالْوَلَدِ ثُ٠ِيعاً قُلْتُ يَشْرَبُ ٠ِنْ لَبَنِهَا قَالَ نَعَ٠ْ وَيَسْقِي إِنْ شَاءَ.

You then can slaughter both of them.’ I asked, ‘Can its milk be used for drinking?’ He (the Imam) said, ‘Yes, you can do so and give to others.’” صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (8/170))