Ibn 'Umar (May Allah be pleased with them) said:
The Messenger of Allah (ﷺ) said, "He who keeps a dog other than one for guarding the fields or herds or hunting, will lose two Qirat every day out of his rewards."[Al-Bukhari and Muslim]. (DE)
App reference (DE): Book 18, Hadith 178 (DE)
Arabic/English book reference (DE): Book 18, Hadith 1688 (DE)