Yahya ibn Yahya, Yahya ibn Ayyub, Qutaybah, and Ibn Hujr narrated to us. Yahya said: "He informed us," while the others said: "He narrated to us" — Isma'il, from Muhammad — who is Ibn Abi Harmalah — from Salim ibn 'Abdullah, from his father, that the Messenger of Allah, peace and blessings be upon him, said: "Whoever keeps a dog, except a dog for herding livestock or a dog for hunting, his good deeds will decrease by one qirat every day." 'Abdullah said: "And Abu Hurayrah said: 'Or a dog for farming.'"