أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم أَمَرَ بِقَتْلِ الْكِلاَبِ غَيْرَ مَا اسْتَثْنَى مِنْهَا ‏.‏

It was narrated from Ibn 'Umar that: the Messenger of Allah commanded that dogs be killed, except those which were exempted. Translation Not Available

Book Ref: Sunan An Nisai Book 42 Hadith 4277
Web Ref:  Sunan An Nisai Vol 5 Book 42 Hadith 4282