It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
"Allah has not sent any Prophet but he was a shepherd." His Companions said to him: "Even you, O Messenger of Allah?" He said: "Even me I used to tend the sheep of the people of Makkah for a few Qirats." (Sahih)(One of the narrators) Suwaid said: " Meaning one Qirat for every sheep." (RU)
English reference (RU): Vol. 3, Book 12, Hadith 2149 (RU)
Arabic reference (RU): Book 12, Hadith 2232 (RU)