Messenger of Allah ﷺ ordered the killing of dogs and then said: what is the trouble with them (the people of Medina)? How dogs are nuisance to them (the citizens of Medina)? He then permitted keehing of dogs for hunting and (the protection of) herds.  

أَمَرَ رَسُولُ اللَّهِ ﷺ بِقَتْلِ الْكِلاَبِ ثُمَّ قَالَ مَا بَالُهُمْ وَبَالُ الْكِلاَبِ ثُمَّ رَخَّصَ فِي كَلْبِ الصَّيْدِ وَكَلْبِ الْغَنَمِ  

“What do they use dogs for?” Then he permitted them to keep farming dogs and dogs of ‘Ein. Bundar said: “The ‘Ein refers to the walls of Al-Madinah.”  

أَنَّ رَسُولَ اللَّهِ ﷺ أَمَرَ بِقَتْلِ الْكِلاَبِ ثُمَّ قَالَ مَا لَهُمْ وَلِلْكِلاَبِ ثُمَّ رَخَّصَ لَهُمْ فِي كَلْبِ الزَّرْعِ وَكَلْبِ الْعِينِ قَالَ بُنْدَارٌ الْعِينُ حِيطَانُ الْمَدِينَةِ  

[Machine] The Prophet ﷺ ordered the killing of dogs, then he said, "What is the matter with me and the dogs?" Then he permitted the keeping of farm dogs and hunting dogs.  

أَنَّ النَّبِيَّ ﷺ أَمَرَ بِقَتْلِ الْكِلَابِ ثُمَّ قَالَ «مَالِي وَلِلْكِلَابِ؟» ثُمَّ رَخَّصَ فِي كَلْبِ الزَّرْعِ وَكَلْبِ الصَّيْدِ