The Book of Hunting and Slaughtering
42/9. Chapter:
The Command To Kill dogs
Sunan an-Nasai
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا حَمَّادٌ، عَنْ عَمْرٍو، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم أَمَرَ بِقَتْلِ الْكِلاَبِ إِلاَّ كَلْبَ صَيْدٍ أَوْ كَلْبَ مَاشِيَةٍ .
It was narrated from Ibn 'Umar that: The Messenger of Allah commanded that all dogs be killed except dogs used for hunting or herding livestock.
Reference : Sunan an-Nasa'i 4279In-book reference : Book 42, Hadith 17English translation : Vol. 5, Book 42, Hadith 4284