(37) باب الْوُضُوءِ بِسُؤْرِ الْكَلْبِ
Narrated Ibn Mughaffal:
The Messenger of Allaah (sal Allaahu alayhi wa sallam) ordered the killing of the dogs, and then said: Why are they (people) after them (dogs)? and then granted permission (to keep) for hunting and for (the security) of the herd, and said : When the dog licks the utensil wash it seven times, and rub it with earth the eighth time.Abu Dawud said : Ibn Mughaffal narrated in a similar way.
Reference: Sunan Abi Dawud 74
In-book reference: Book 1, Hadith 74
English translation: Book 1, Hadith 74