The command to kill dogs, and its abrogation. The prohibition of keeping dogs, except for hunting, farming, (herding) livestock and the like Sahih Muslim 1575 f

Arabic hadith text
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا عَبْدُ الْوَاحِدِ، - يَعْنِي ابْنَ زِيَادٍ - عَنْ إِسْمَاعِيلَ، بْنِ سُمَيْعٍ حَدَّثَنَا أَبُو رَزِينٍ، قَالَ سَمِعْتُ أَبَا هُرَيْرَةَ، يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏مَنِ اتَّخَذَ كَلْبًا لَيْسَ بِكَلْبِ صَيْدٍ وَلاَ غَنَمٍ نَقَصَ مِنْ عَمَلِهِ كُلَّ يَوْمٍ قِيرَاطٌ ‏"
Translation
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying

He who kept a dog, but not meant for hunting or watching the herd, would lose one qirat of reward every day.