حَدَّثَنَا إِسْحَاقُ بْنُ عِيسَى أَنْبَأَنَا مَالِكٌ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى عَنْ بَيْعِ حَبَلِ الْحَبَلَةِ
مسند امام احمد بن حنبل · Hadith 394
It was narrated from Ibn 'Umar that the Messenger of Allah (PBUH) forbade selling the offspring of the offspring that is still in the womb of a camel.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020