Hadith 4289
´It was narrated that Ibn'Umar said:` "The Messenger of Allah said: 'whoever keeps a dog, two Qirats will be detracted from his reward each day, except a trained hunting dog, or a dog for herding livestock."
Hadith 4290
´As-Saib bin Yazid narrated that Surfyan bin Abi Zuhair Ash-Shanai I came to visit them and said:` "The Messenger of Allah said: 'Whoever keeps a dog which he does not need for farming or livestock, one Qirt will be deducted from his (good) deeds each day.' It was said to him: 'did you hear this from the Messenger of Allah He said: 'Yes, by the Lord of this Masjid."'