(7) باب تَعْفِيرِ الإِنَاءِ بِالتُّرَابِ مِنْ وُلُوغِ الْكَلْبِ فِيهِ
It was narrated from 'Abdullah bin Mughaffal that the Messenger of Allah (ﷺ) commanded that dogs be killed, but he made an exception for hunting dogs and sheepdogs and said:
"If a dog licks a vessel then wash it seven times and rub it the eighth time with dust."
Reference: Sunan an-Nasa'i 336
In-book reference: Book 2, Hadith 12
English translation: Vol. 1, Book 2, Hadith 337