Sunan an-Nasa'i 4674
سنن النسائي#4674SahihIt was narrated that (Abu Hurairah) said:"The Messenger of Allah forbade the price of a dog and stud fees for a stallion
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 44:226