Muwatta Malik 1353
موطأ مالك#1353Hasanحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ زَيْدِ بْنِ أَسْلَمَ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، أَنَّ رَسُولَ اللَّهِ
Yahya related to me from Malik from Zayd ibn Aslam from Said ibn al-Musayyab that the Messenger of Allah, may Allah bless him and grant him peace, forbade bartering live animals for meat
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Salim al-HilaliHasan Lighairihi
In-book reference: 31:15