That a man asked Ibn 'Umar about the Udhiyah, "Is it obligatory?" So he said: "The Messenger of Allah (ﷺ) performed the Udhiyah as did the Muslims." He repeated the question. So he said: "Do you understand ?" The Messenger of Allah (ﷺ) slaughtered as did the Muslims."

"The Messenger of Allah (ﷺ) delivered a sermon to us on the Day of Nahr and he said: 'None of you should slaughter until he performs the Salat." He said: 'So my maternal uncle stood and said: ' O Messenger of Allah, this is the day in which meat is disliked, and I hastened my sacrifice to feed my family and the people of my dwellings - or - 'my neighbors.' He said: 'Repeat your slaughter with another.' He said: 'O Messenger of Allah (ﷺ) I have a she-kid that has better meat than my sheep, should I slaughter it?' He said: 'Yes, and it is better and it will suffice for you, but a Jadha' will not be accepted after you.' "

From his father that the Messenger of Allah (ﷺ) said: "I used to prohibit you from (eating) the meat of Sacrifice beyond three days so that those who have the ability would give to those who do not have it. So (now) eat as you like, feed others, and save from it."

Another chain with similar.

That she asked the Messenger of Allah (ﷺ) about the 'Aqiqah. He said: "For the boy is two sheep, and for the girl is one, it will not harm you if they (i.e. the sheep) are male or female."

From his father, that the Prophet (ﷺ) gave a Khutbah, then he descended and called for two rams and slaughtered them.

"I attended the Eid Al-Adha' with the Prophet (ﷺ) at the Musalla. When he finished his Khutbah, he descended from his Minbar and was given a male sheep. The Messenger of Allah (ﷺ) slaughtered it with his hand and said: 'Bismillah, Wa Allahu Akbar, this from me and whoever does not slaughter from my Ummah.'"

"The Messenger of Allah (ﷺ) slaughtered a horned male ram of fine pedigree, (around) his mouth was black, and his legs were black, and (around) his eyes was black.

"The Muqabalah is the one whose ears have been severed, the Mudabarah is the one with the sides of its ears cut off, and the Sharqa' is one with its ears split, and the Khurqa' is the one whose ears have a hole pierced through them."

"The Prophet (ﷺ) distributed the sacrificial animals and I was left with a Jadha', so I asked the Prophet (ﷺ) about it and he said: 'Sacrifice it for yourself.'"(Another chain) with this Hadith.

"Ali said: 'A cow is for seven.' I said: "And if it gives birth?' He said: 'Then slaughter its offspring with it.' I said: 'What if it is lame?' He said: 'When it has reached the place of ritual.' I said: 'What if it has a broken horn?' He said: 'There is no harm, we were ordered' - or - 'The Messenger of Allah (ﷺ) ordered us, to check the two eyes and the two ears.'"

That his father said: "I saw the Messenger of Allah (ﷺ) say the Adhan in the ear of Al-Hasan bin 'Ali - when he was born to Fatimah - the Adhan of Salat."