Ibn Abbas (Allah be pleased with them) reported that Dhuwaib, father of Qabisa (Allah be pleased with him) narrated to him that Allah's Messenger ( صلی اللہ علیہ وسلم ) sent under his charge the sacrificial camels, and said:
If any of these is completely exhausted and you apprehend its death, then slaughter it, then dip its hoofs in its blood and imprint it on its hump; but neither you nor any one of your comrades should eat it.