Jami` at-Tirmidhi 628
جامع الترمذي#628Da'ifAbu Hurairah narrated that :the Messenger of Allah said: "There is no charity due from a Muslim for his horse nor his slave
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniDaif
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 7:12