Sahih Muslim 279b
Sahih Muslim · Book 2: The Book of Purification · Rulings on what was licked by a dog
وَحَدَّثَنِي مُحَمَّدُ بْنُ الصَّبَّاحِ ، حَدَّثَنَا إِسْمَاعِيلُ بْنُ زَكَرِيَّاءَ ، عَنِ الأَعْمَشِ ، بِهَذَا الإِسْنَادِ مِثْلَهُ وَلَمْ يَقُلْ فَلْيُرِقْهُ .
This hadith has been transmitted by another chain of transmitters in which there is no mention of" throwing away".