Sunan Abi Dawud 1762
سنن أبي داود#1762Sahihحَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، أَخْبَرَنَا سُفْيَانُ، عَنْ هِشَامٍ، عَنْ أَبِيهِ، عَنْ نَاجِيَةَ الأَسْلَمِيِّ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم بَعَثَ مَعَهُ بِهَدْىٍ فَقَالَ " إِنْ عَطِبَ مِنْهَا شَىْءٌ فَانْحَرْهُ ثُمَّ اصْبَغْ نَعْلَهُ فِي دَمِهِ ثُمَّ خَلِّ بَيْنَهُ وَبَيْنَ النَّاسِ " .
Narrated Najiyah al-Aslami: The Messenger of Allah (ﷺ) sent sacrificial camels with him (as offering to the Ka'bah). He then said: If any one of them becomes fatigued, slaughter it, dip its shoes in its blood, and leave it for the people (to eat)
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:
In-book reference: 11:42