Some people from the tribe of Urayna came to Madinah and found its climate disagreeable. The Prophet ﷺ sent them out with the camels of the charity and said, "Drink from their urine and their milk."
حدثنا الحسن بن محمد الزعفراني حدثنا عفان حدثنا حماد بن سلمة أخبرنا حميد وثابت وقتادة
أن ناسا من عرينة قدموا المدينة فاجتووها فبعثهم النبي ﷺ في إبل الصدقة وقال اشربوا من أبوالها وألبانها
[Its isnad is sahih] Abu Dawud narrated it in the Book of Hudud, chapter on what has been said about waging war, hadith no. 4367, and Nasai, hadith no. 4039, from the hadith of Hammad bin Salama through this route, and it will come again at 2042. Bukhari also narrated it, hadith no. 5727, from the hadith of Qatada, and Muslim, hadith no. 1671, from the hadith of Humayd through this route, and the hadith has many paths of transmission.