«من اقتنى كلبا لا يغني عنه زرعا ولا ضرعا نقص من عمله كل يوم قيراط»
The Prophet (peace and blessings be upon him) said:
"Whoever keeps a dog that is of no use to him for crops or livestock, one qirat is deducted from his deeds every day."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 6079