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
bayhaqi:7289 – Abū al-Ḥusayn b. Bishrān > Ismāʿīl b. Muḥammad al-Ṣaffār > al-Ḥasan b. ʿAlī b. ʿAffān > Ibn Numayr > ʿUbaydullāh b. ʿUmar > Saʾalt Nāfiʿ > al-Baqar > Balaghanī > Muʿādh b. Jabal

[Machine] He said that for every thirty camels, there is either a male or female camel, and for every forty cows, there is one cow.  

البيهقي:٧٢٨٩ – أَخْبَرَنَا أَبُو الْحُسَيْنِ بْنُ بِشْرَانَ أنبأ إِسْمَاعِيلُ بْنُ مُحَمَّدٍ الصَّفَّارُ ثنا الْحَسَنُ بْنُ عَلِيِّ بْنِ عَفَّانَ ثنا ابْنُ نُمَيْرٍ عَنْ عُبَيْدِ اللهِ بْنِ عُمَرَ قَالَ سَأَلْتُ نَافِعًا عَنِ الْبَقَرِ فَقَالَ بَلَغَنِي عَنْ مُعَاذِ بْنِ جَبَلٍ

أَنَّهُ قَالَ فِي كُلِّ ثَلَاثِينَ تَبِيعٌ أَوْ تَبِيعَةٌ وَفِي كُلِّ أَرْبَعِينَ بَقَرَةً بَقَرَةٌ  

See similar narrations below:

Collected by Ibn Mājah, Bayhaqī
ibnmajah:1804 – Sufyān b. Wakīʿ > ʿAbd al-Salām b. Ḥarb > Khuṣayf > Abū ʿUbaydah > ʿAbdullāh

the Prophet said: “For every thirty cattle, Tabi or Tabi'ah and for every forty a Musinnah.”  

ابن ماجة:١٨٠٤ – حَدَّثَنَا سُفْيَانُ بْنُ وَكِيعٍ حَدَّثَنَا عَبْدُ السَّلاَمِ بْنُ حَرْبٍ عَنْ خُصَيْفٍ عَنْ أَبِي عُبَيْدَةَ عَنْ عَبْدِ اللَّهِ

أَنَّ النَّبِيَّ ﷺ قَالَ فِي ثَلاَثِينَ مِنَ الْبَقَرِ تَبِيعٌ أَوْ تَبِيعَةٌ وَفِي أَرْبَعِينَ مُسِنَّةٌ  

bayhaqi:7297 – Abū ʿAbdullāh al-Aḥāfiẓ > Abū al-ʿAbbās Muḥammad b. Aḥmad al-Maḥbūbī Bimarw > Saʿīd b. Masʿūd > ʿUbaydullāh b. Mūsá > Sufyān > Dāwud > al-Shaʿbī Yarfaʿuh And Ibn Abū ʿAyyāsh > Anas Yarfaʿuh

the Prophet said: “For every thirty cattle, Tabi or Tabi'ah and for every forty a Musinnah.” (Using translation from Ibn Mājah 1804)   

البيهقي:٧٢٩٧ – أَخْبَرَنَا أَبُو عَبْدِ اللهِ الَحَافِظُ ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ أَحْمَدَ الْمَحْبُوبِيُّ بِمَرْوٍ ثنا سَعِيدُ بْنُ مَسْعُودٍ ثنا عُبَيْدُ اللهِ بْنُ مُوسَى أنبأ سُفْيَانُ عَنْ دَاوُدَ عَنِ الشَّعْبِيِّ يَرْفَعُهُ وَابْنُ أَبِي عَيَّاشٍ عَنْ أَنَسٍ يَرْفَعُهُ قَالَ

فِي أَرْبَعِينَ مِنَ الْبَقَرِ مُسِنَّةٌ وَفِي ثَلَاثِينَ تَبِيعٌ أَوْ تَبِيعَةٌ