Jami` at-Tirmidhi 1508

Narrated Al-Bara' bin 'Azib :"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