He who kept a dog other than one meant for watching the herd or for hunting would lose every day two qirat of his good deeds. 'Abdullah and Abu Huraira also said: Or dog meant for watching the field.
Sahih Muslim Book 22, Hadith 65
← Previous Hadith Ibn 'Umar reported Allah's Messenger (ﷺ) as saying He who kept a dog other than one meant for hunting or for watching the herd lost out of his deeds (equal to) two qirat every day.

Sahih Muslim Book 22, Hadith 64 Next Hadith → He who kept a dog other than one meant for hunting or for the protection of the herd would lose two qirat of his deeds every day. Salim said: Abu Huraira (Allah be pleased with him) used to say: Or the dog meant for watching the field, and he was the owner of the land.

Sahih Muslim Book 22, Hadith 66