Al-Bara’ bin ‘Azib narrated to us by one of the pillars of the
Masjid: “The Prophet delivered a Khutbah on the day of An-Nafzr and said: ‘The first thing we start with on this day of ours is the prayer, then we offer the sacrifice. Whoever does that, he has followed our Sunnah, but whoever slaughtered (his sacrifice) before the (prayer), that is just meat that
be gave to his family.’ Abu Burdah bin Niyar had slaughtered his sacrifice and he said: ‘Messenger of Allah, I have a Jadha’ah’that is better than a Musinnah.’ He said: ‘Slaughter it (as a sacrifice), but that will not be sufficient for anyone else (as a sacrifice) after you.” (Sahih)