Hadith 8:3020
Abu Bakr narrated to us, he said: Ubayd Allah ibn Musa narrated to us, from Uthman, from Mujahid, regarding the saying of the Exalted: "And the camels, We have made them for you as among the symbols of Allah; for you therein is good. So mention the name of Allah upon them when they are lined up." He said: When he slaughters them while they are standing.
حدثنا أبو بكر قال نا عبيد الله بن موسى عن عثمان عن مجاهد في قوله تعالى @QB@ والبدن جعلناها لكم من شعائر الله لكم فيها خير فاذكروا اسم الله عليها صواف @QE@ قال إذا نحرها قياما