It was narrated that Suwaid bin Ghafalah said:

"The Zakah collector of the prophet came to us, and I went to him, sat with him, and heard him say: In my contract it says that we should not take any sucking young, nor combine what is separate, nor separate what is combined.' A man brought a she-camel with a big hump to him and said: 'Take it, but he refused."

أَخْبَرَنَا هَنَّادُ بْنُ السَّرِيِّ، عَنْ هُشَيْمٍ، عَنْ هِلاَلِ بْنِ خَبَّابٍ، عَنْ مَيْسَرَةَ أَبِي صَالِحٍ، عَنْ سُوَيْدِ بْنِ غَفَلَةَ، قَالَ أَتَانَا مُصَدِّقُ النَّبِيِّ ﷺ فَأَتَيْتُهُ فَجَلَسْتُ إِلَيْهِ فَسَمِعْتُهُ يَقُولُ " إِنَّ فِي عَهْدِي أَنْ لاَ نَأْخُذَ رَاضِعَ لَبَنٍ وَلاَ نَجْمَعَ بَيْنَ مُتَفَرِّقٍ وَلاَ نُفَرِّقَ بَيْنَ مُجْتَمِعٍ " . فَأَتَاهُ رَجُلٌ بِنَاقَةٍ كَوْمَاءَ فَقَالَ " خُذْهَا " . فَأَبَى