Isa bin Hilal عيسى بن هلال · Sacrifice (Kitab Al-Dahaya)

We were staying with the Messenger of Allah (ﷺ) at Arafat; he said: O people, every family must offer a sacrifice and an atirah. Do you know what the atirah is? It is what you call the Rajab sacrifice. Abu Dawud said: 'Atirah has been abrogated, and this tradition is an abrogated one.