Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad:17643 – ʿAlī b. Baḥr > Baqiyyah b. al-Walīd > Naṣr b. ʿAlqamah > Rijāl from Banī Sulaym > ʿUtbah b. ʿAbd al-Sulamī

[Machine] The Messenger of Allah ﷺ said, "Do not cut off the tufts of the horses' manes, for they contain blessings. And do not shorten their tails, for they are their means of swatting away flies."  

أحمد:١٧٦٤٣ – حَدَّثَنَا عَلِيُّ بْنُ بَحْرٍ حَدَّثَنَا بَقِيَّةُ بْنُ الْوَلِيدِ حَدَّثَنِي نَصْرُ بْنُ عَلْقَمَةَ قَالَ حَدَّثَنِي رِجَالٌٍ مِنْ بَنِي سُلَيْمٍ عَنْ عُتْبَةَ بْنِ عَبْدٍ السُّلَمِيِّ قَالَ

قَالَ رَسُولُ اللهِ ﷺ لَا تَقُصُّوا نَوَاصِيَ الْخَيْلِ فَإِنَّ فِيهَا الْبَرَكَةَ وَلَا تَجُزُّوا أَعْرَافَهَافَإِنَّهُ أَدْفَاؤُهَا وَلَا تَقُصُّوا أَذْنَابَهَا فَإِنَّهَا مَذَابُّهَا  

See similar narrations below:

Collected by Suyūṭī
suyuti:25170a –
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السيوطي:٢٥١٧٠a –

"لا تَقُصُّوا نَوَاصِىَ الخَيْلِ؛ فَإِنَّهُ مَعْقودٌ بِنَواصِيهَا الخَيْرُ، وَلا أَعْرافَهَا؛ فَإِنَّهَا أَدْفَاؤهُا، وَلا أذنَابَهَا، فَإِنَّهَا مَذَابُّهَا".  

[د] أبو داود [ع] أبو يعلى [ق] البيهقى في السنن عن عتبة بن عبد السلمى
suyuti:24681a –
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السيوطي:٢٤٦٨١a –

"لا تَحْذِفُوا أَذْنَابَ الْخَيلِ؛ فَإِنَّهَا مَذَابُّهَا، وَلا تَقُصُّوا أَعْرافَهَا فَإِنَّهَا دِفَاؤُهَا".  

[ش] ابن أبى شيبة عن الوضين بن عطاء مرسلًا، [ش] ابن أبى شيبة عن عمر موقوفًا