Sunan an-Nasa'i 3582

سنن النسائي#3582Sahih

It was narrated from Abu Hurairah that the Messenger of Allah said:"Whoever keeps a horse for the cause of Allah out of faith in Allah and believing the promise of Allah, its feed, water, urine and dung will all count as Hasanat in the balance of his deeds

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 Bukhari

In-book reference: 28:22