Hadith #2788 (Sunan Abi Dawud)
Book: Sacrifice (Kitab Al-Dahaya)
Narrator(s): Abdullah bin 'Amr bin al-'Aas, Abdullah bin Yazid bin Zayd, Ayyash bin 'Abbas al-Qanabi عياش بن عباس القتباني, Harun bin 'Abdullah al-Hamal هارون بن عبد الله بن مروان الحمال, Isa bin Hilal عيسى بن هلال, Sa'id bin Abi Ayoub سعيد بن أبي أيوب الخزاعي
Grade: Hasan

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.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2788/