Hadith
حَدَّثَنَا إِبْرَاهِيمُ بْنُ الْمُنْذِرِ الْحِزَامِيُّ، أَنْبَأَنَا أَبُو الْجَعْدِ عَبْدُ الرَّحْمَنِ بْنُ عَبْدِ اللَّهِ، عَنْ كَثِيرِ بْنِ عَبْدِ اللَّهِ بْنِ عَمْرِو بْنِ عَوْفٍ الْمُزَنِيِّ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " يُبْدَأُ بِالْخَيْلِ يَوْمَ وِرْدِهَا " .
It was narrated from Kathir bin 'Abdullah bin 'Amr bin 'Awf Al-Muzani, from his father, that his grandfather said:“The Messenger of Allah (ﷺ) said: 'Start with the horses on the day that you bring (the animals to drink).' ”
Da'if · Al-Albani
Sunan Ibn Majah 2484 ·Book 16, Hadith 49·Also available on sunnah.com·