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.
عَنْ رَسُولِ اللَّهِ ﷺ قَالَ مَنِ اقْتَنَى كَلْبًا إِلاَّ كَلْبَ ضَارٍ أَوْ مَاشِيَةٍ نَقَصَ مِنْ عَمَلِهِ كُلَّ يَوْمٍ قِيرَاطَانِ قَالَ سَالِمٌ وَكَانَ أَبُو هُرَيْرَةَ يَقُولُ أَوْ كَلْبَ حَرْثٍ وَكَانَ صَاحِبَ حَرْثٍ