a mouse fell into some cooking fat and died. The Prophet was asked (about that) and he said: "Throw it away, and whatever is around it, and eat (the rest)."  

أَنَّ فَأْرَةً وَقَعَتْ فِي سَمْنٍ فَمَاتَتْ فَسُئِلَ النَّبِيُّ ﷺ فَقَالَ أَلْقُوهَا وَمَا حَوْلَهَا وَكُلُوهُ  

the Prophet was asked about a mouse that had fallen into some solid cooking fat. He said. "Take it, and whatever is around it, and throw it away."  

أَنَّ النَّبِيَّ ﷺ سُئِلَ عَنْ فَأْرَةٍ وَقَعَتْ فِي سَمْنٍ جَامِدٍ فَقَالَ خُذُوهَا وَمَا حَوْلَهَا فَأَلْقُوهُ  

the Prophet was asked about a mouse that fell into the cooking fat. He said: "If it (the fat) is solid, then throw it away, and whatever is around it. If it is liquid then do not use it at all."(Daif)  

عَنِ النَّبِيِّ ﷺ أَنَّهُ سُئِلَ عَنِ الْفَأْرَةِ تَقَعُ فِي السَّمْنِ فَقَالَ إِنْ كَانَ جَامِدًا فَأَلْقُوهَا وَمَا حَوْلَهَا وَإِنْ كَانَ مَائِعًا فَلاَ تَقْرَبُوهُ  

" I heard Sa'eed bin Jubair say: 'The Messenger of Allah passed by a dead goat and said: "Why didn't the owners of this sheep makes use of its skin?"  

سَمِعْتُ ابْنَ عَبَّاسٍ يَقُولُ إِنَّ رَسُولَ اللَّهِ ﷺ مَرَّ بِعَنْزٍ مَيِّتَةٍ فَقَالَ مَا كَانَ عَلَى أَهْلِ هَذِهِ الشَّاةِ لَوِ انْتَفَعُوا بِإِهَابِهَا