Sahih Muslim Book - 34, Hadith - 5043

وحَدَّثَنِي مُحَمَّدُ بْنُ الْمُثَنَّى ، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ ، عَنْ دَاوُدَ ، عَنْ أَبِي نَضْرَةَ ، عَنْ أَبِي سَعِيدٍ ، قَالَ: قَالَ رَجُلٌ : يَا رَسُولَ اللهِ ، إِنَّا بِأَرْضٍ مَضَبَّةٍ ، فَمَا تَأْمُرُنَا ؟ ، أَوْ فَمَا تُفْتِينَا ؟ قَالَ: ذُكِرَ لِي أَنَّ أُمَّةً مِنْ بَنِي إِسْرَائِيلَ مُسِخَتْ ، فَلَمْ يَأْمُرْ وَلَمْ يَنْهَ قَالَ أَبُو سَعِيدٍ: فَلَمَّا كَانَ بَعْدَ ذَلِكَ ، قَالَ عُمَرُ: إِنَّ اللَّهَ عَزَّ وَجَلَّ لَيَنْفَعُ بِهِ غَيْرَ وَاحِدٍ ، وَإِنَّهُ لَطَعَامُ عَامَّةِ هَذِهِ الرِّعَاءِ ، وَلَوْ كَانَ عِنْدِي لَطَعِمْتُهُ ، إِنَّمَا عَافَهُ رَسُولُ اللهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ.

It was narrated that Abu Sa'eed said: "A man said: 'O Messenger of Allah, we live in a land that abounds in mastigures. What do you command us to do? Or what is your ruling to us? 'He said: 'I have been told that a group of the Children of Israel was transformed,' and he did not command or forbid." Abu Sa'eed said: "After that, 'Umar said: 'Allah (Glorified and Exalted is He) has benefited more than one person by it, and it is the food of most shepherds. If I had some with me, I would eat it. It was just that the Messenger of Allah (s.a.w) had an aversion to it.'"