Hadith 12:380
Abu Usama narrated to us, from Ubaydullah, from Nafi’, from Ibn Umar, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "Whoever acquires a dog, his reward decreases by one qirat every day."
حدثنا أبو أسامة عن عبيد الله عن نافع عن بن عمر قال قال رسول الله صلى الله عليه وسلم من اقتنى كلبا نقص من أجره كل يوم قيراط