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
muslim:1974 – Isḥāq b. Manṣūr > Abū ʿĀṣim > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

He who sacrifices (animal) among you nothing should be left in his house (out of its flesh) on the morning of the third day. When it was the next year they (his Companions) said: Should we do this year as we did daring the previous year? Thereupon he said: Don't do that, for that was a year when the people were hard pressed (on account of poverty). so I wanted that the (flesh) might be distributed amongst them.  

مسلم:١٩٧٤ – حَدَّثَنَا إِسْحَاقُ بْنُ مَنْصُورٍ أَخْبَرَنَا أَبُو عَاصِمٍ عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الأَكْوَعِ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ مَنْ ضَحَّى مِنْكُمْ فَلاَ يُصْبِحَنَّ فِي بَيْتِهِ بَعْدَ ثَالِثَةٍ شَيْئًا فَلَمَّا كَانَ فِي الْعَامِ الْمُقْبِلِ قَالُوا يَا رَسُولَ اللَّهِ نَفْعَلُ كَمَا فَعَلْنَا عَامَ أَوَّلَ فَقَالَ لاَ إِنَّ ذَاكَ عَامٌ كَانَ النَّاسُ فِيهِ بِجَهْدٍ فَأَرَدْتُ أَنْ يَفْشُوَ فِيهِمْ  

See similar narrations below:

Collected by Bukhārī, Ibn Ḥibbān
bukhari:5569 – Abū ʿĀṣim > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

The Prophet ﷺ said, "Whoever has slaughtered a sacrifice should not keep anything of Its meat after three days." When it was the next year the people said, "O Messenger of Allah ﷺ! Shall we do as we did last year?" He said, ' Eat of it and feed of it to others and store of it for in that year the people were having a hard time and I wanted you to help (the needy).  

البخاري:٥٥٦٩ – حَدَّثَنَا أَبُو عَاصِمٍ عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الأَكْوَعِ قَالَ

قَالَ النَّبِيُّ ﷺ مَنْ ضَحَّى مِنْكُمْ فَلاَ يُصْبِحَنَّ بَعْدَ ثَالِثَةٍ وَفِي بَيْتِهِ مِنْهُ شَىْءٌ فَلَمَّا كَانَ الْعَامُ الْمُقْبِلُ قَالُوا يَا رَسُولَ اللَّهِ نَفْعَلُ كَمَا فَعَلْنَا عَامَ الْمَاضِي قَالَ كُلُوا وَأَطْعِمُوا وَادَّخِرُوا فَإِنَّ ذَلِكَ الْعَامَ كَانَ بِالنَّاسِ جَهْدٌ فَأَرَدْتُ أَنْ تُعِينُوا فِيهَا  

ذِكْرُ الْإِبَاحَةِ لِلْمُضَحِّي أَنْ يَدَّخِرَ مِنْ أُضْحِيَتِهِ بَعْدَ أَكْلِهِ، وَإِطْعَامِهِ مِنْهَا

ibnhibban:5929 – Aḥmad b. ʿAlī b. al-Muthanná > Abū Khaythamah > al-Ḍaḥḥāk b. Makhlad > Yazīd b. Abū ʿUbayd > Salamah b. al-Akwaʿ

[Machine] The Messenger of Allah ﷺ said on the day of Eid al-Adha, "Whoever makes a sacrifice from among you, let him not partake in anything from his sacrifice before the third day in his home." So when the following year's Eid al-Adha was near, they asked the Messenger of Allah, "O Messenger of Allah, should we do the same as we did last year?" He said, "No, people were making an effort, so I wanted to provide assistance. Eat, feed others, and save some."  

ابن حبّان:٥٩٢٩ – أَخْبَرَنَا أَحْمَدُ بْنُ عَلِيِّ بْنِ الْمُثَنَّى قَالَ حَدَّثَنَا أَبُو خَيْثَمَةَ قَالَ حَدَّثَنَا الضَّحَّاكُ بْنُ مَخْلَدٍ عَنْ يَزِيدَ بْنِ أَبِي عُبَيْدٍ عَنْ سَلَمَةَ بْنِ الْأَكْوَعِ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ يَوْمَ الْأَضْحَى «مَنْ ضَحَّى مِنْكُمْ فَلَا يُصْبِحْ بَعْدَ ثَالِثَةٍ فِي بَيْتِهِ شَيْءٌ مِنْ أُضْحِيَتِهِ» فَلَمَّا كَانَ الْعَامُ الْمُقْبِلُ يَوْمَ الْأَضْحَى قَالُوا يَا رَسُولَ اللَّهِ نَفْعَلُ فِي هَذَا كَمَا فَعَلْنَا فِي الْعَامِ الْمَاضِي؟ قَالَ «لَا كَانَ النَّاسُ بِجَهْدٍ فَأَرَدْتُ أَنْ تُعِينُوا فِيهَا كُلُوا وَأَطْعِمُوا وَادَّخِرُوا»