That the Messenger of Allah ﷺ said: "Whoever keeps a dog" - or: "acquires a dog" - "neither of hunting nor to guard livestock, then two Qirat are deducted from his reward, daily."  

قَالَ رَسُولُ اللَّهِ ﷺ مَنِ اقْتَنَى كَلْبًا لَيْسَ بِضَارٍ وَلاَ كَلْبَ مَاشِيَةٍ نَقَصَ مِنْ أَجْرِهِ كُلَّ يَوْمٍ قِيرَاطَانِ قَالَ وَفِي الْبَابِ عَنْ عَبْدِ اللَّهِ بْنِ مُغَفَّلٍ وَأَبِي هُرَيْرَةَ وَسُفْيَانَ بْنِ أَبِي زُهَيْرٍ  

"The Messenger of Allah ﷺ ordered killing dogs, except for the hunting dog, or the dog that guards livestock." It was said to him: "Abu Hurairah would say: 'or a farm dog' so he (Ibn 'Umar) said: "Abu Hurairah had a farm."  

أَنَّ رَسُولَ اللَّهِ ﷺ أَمَرَ بِقَتْلِ الْكِلاَبِ إِلاَّ كَلْبَ صَيْدٍ أَوْ كَلْبَ مَاشِيَةٍ قَالَ قِيلَ لَهُ إِنَّ أَبَا هُرَيْرَةَ كَانَ يَقُولُ أَوْ كَلْبَ زَرْعٍ فَقَالَ إِنَّ أَبَا هُرَيْرَةَ لَهُ زَرْعٌ  

"I was one of those who held up the branches from the tree away from the face of the Messenger of Allah ﷺ while he was delivering the Khutbah saying: 'If it were not that dogs were a nation among nations, then I would order that they be killed. So kill every one among them that is all black. There is one inhabiting a home in which they keep a dog but their deeds are decreased by one Qirat every day - except for a hunting dog, or a farm dog, or a sheep dog.'"  

عَنْ وَجْهِ رَسُولِ اللَّهِ ﷺ وَهُوَ يَخْطُبُ فَقَالَ لَوْلاَ أَنَّ الْكِلاَبَ أُمَّةٌ مِنَ الأُمَمِ لأَمَرْتُ بِقَتْلِهَا فَاقْتُلُوا مِنْهَا كُلَّ أَسْوَدَ بَهِيمٍ وَمَا مِنْ أَهْلِ بَيْتٍ يَرْتَبِطُونَ كَلْبًا إِلاَّ نَقَصَ مِنْ عَمَلِهِمْ كُلَّ يَوْمٍ قِيرَاطٌ إِلاَّ كَلْبَ صَيْدٍ أَوْ كَلْبَ حَرْثٍ أَوْ كَلْبَ غَنَمٍ  

That the Messenger of Allah ﷺ said: "Whoever acquires a dog - with the exception of a dog to guard livestock, a hunting dog, or a farm dog - each day a Qirat is deducted from his reward."  

أَنَّ النَّبِيَّ ﷺ قَالَ مَنِ اتَّخَذَ كَلْبًا إِلاَّ كَلْبَ مَاشِيَةٍ أَوْ صَيْدٍ أَوْ زَرْعٍ انْتَقَصَ مِنْ أَجْرِهِ كُلَّ يَوْمٍ قِيرَاطٌ