Sunan an-Nasa'i 4622
سنن النسائي#4622SahihIt was narrated from Ibn 'Abbas that the Propher said:"Paying in advance for the offspring of the offspring of a pregnant animal (Habal al-Habalah) is Riba
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih Hadith
Zubair Ali ZaiIsnaad Sahih
In-book reference: 44:174