We used to slaughter the camel during the lifetime of the Messenger of Allah ﷺ after the 'Asr prayer, but he made no mention of:" We used to pray along with him."
أَنَّهُ قَالَ كُنَّا نَنْحَرُ الْجَزُورَ عَلَى عَهْدِ رَسُولِ اللَّهِ ﷺ بَعْدَ الْعَصْرِ وَلَمْ يَقُلْ كُنَّا نُصَلِّي مَعَهُ