Many Muslims and Islamic authorities consider dogs to be unclean animals, they must absolve themselves after touching one...
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Hostility to dogs, not just as a source of physical but moral impurity, are further expressed in Prophetic reports claiming that angels, as God’s agents of mercy and absolution, will not enter a home that has a dog,[4] or that the company of dogs voids a portion of a Muslim’s good deeds.[5] Cultural biases against dogs as a source of moral danger reach an extreme point in reports that claim that Prophet commanded Muslims not trade or deal in dogs,[6] and even to slaughter all dogs, except for those used in herding, farming, or hunting.[7]