بُلُوغُ الْمَرَامِ
Bulugh al-Maram 794
Business Transactions
وَعَنِ اِبْنِ عُمَرَ -رَضِيَ اَللَّهُ عَنْهُمَا- قَالَ: { نَهَى رَسُولُ اَللَّهِ - صلى الله عليه وسلم -عَنْ عَسْبِ اَلْفَحْلِ } رَوَاهُ اَلْبُخَارِيُّ [1] .
Narrated Ibn 'Umar (RA): Allah's Messenger (ﷺ) forbade the sale of a stallion's semen (to use for impregnation). [Reported by al-Bukhari].
Sunnah.com reference: Book 7, Hadith 17