It was narrated from Salim that his father said:

“I heard the Messenger of Allah (ﷺ) raising his voice and commanding that dogs be killed, and dogs were killed, except for hunting dogs or dogs kept for herding livestock.”

حَدَّثَنَا أَبُو طَاهِرٍ، حَدَّثَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ رَافِعًا صَوْتَهُ يَأْمُرُ بِقَتْلِ الْكِلاَبِ وَكَانَتِ الْكِلاَبُ تُقْتَلُ إِلاَّ كَلْبَ صَيْدٍ أَوْ مَاشِيَةٍ ‏.‏