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:738 – Wakīʿ > Sufyān

The Messenger of Allah ﷺ forbade us to mate a donkey with are mare.  

أحمد:٧٣٨ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنْ عُثْمَانَ الثَّقَفِيِّ عَنْ سَالِمِ بْنِ أَبِي الْجَعْدِ عَنْ عَلِيٍّ قَالَ

نَهَانَا رَسُولُ اللهِ ﷺ أَنْ نُنْزِيَ حِمَارًا عَلَى فَرَسٍ  

See similar narrations below:

Collected by Aḥmad, Suyūṭī
ahmad:1108 – Wakīʿ > Sufyān

The Messenger of Allah ﷺ forbade us to mate a donkey with a mare.  

أحمد:١١٠٨ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنْ عُثْمَانَ الثَّقَفِيِّ عَنْ سَالِمِ بْنِ أَبِي الْجَعْدِ عَنْ عَلِيٍّ قَالَ

نَهَانَا النَّبِيُّ ﷺ أَنْ نُنْزِيَ حِمَارًا عَلَى فَرَسٍ  

ahmad:2092 – Wakīʿ > Sufyān > Abū Jahḍam > ʿAbdullāh b. ʿUbaydullāh b. ʿAbbās > Ibn ʿAbbās

The Messenger of Allah ﷺ forbade us to mate a donkey with are mare. (Using translation from Aḥmad 738)  

أحمد:٢٠٩٢ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنْ أَبِي جَهْضَمٍ عَنْ عَبْدِ اللهِ بْنِ عُبَيْدِ اللهِ بْنِ عَبَّاسٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

نَهَى رَسُولُ اللهِ ﷺ أَنْ نُنْزِيَ حِمَارًا عَلَى فَرَسٍ