(57) باب فِي وَسْمِ الدَّوَابِّ
Anas bin Malik said "I brought my brother when he was born to Prophet(ﷺ) to chew something for him and rub his palate with it and found him in a sheep pen branding the sheep, I think, on their ears."
Reference: Sunan Abi Dawud 2563
In-book reference: Book 15, Hadith 87
English translation: Book 14, Hadith 2557