Sunan an-Nasa'i 4675
سنن النسائي#4675Sahihأَخْبَرَنَا وَاصِلُ بْنُ عَبْدِ الأَعْلَى، قَالَ حَدَّثَنَا ابْنُ فُضَيْلٍ، عَنِ الأَعْمَشِ، عَنْ أَبِي حَازِمٍ، { عَنْ أَبِي هُرَيْرَةَ، } قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنْ ثَمَنِ الْكَلْبِ وَعَسْبِ الْفَحْلِ .
It was narrated that (Abu Hurairah) said:"The Messenger of Allah forbade the price of a dog and stud fees for a stallion
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 44:227