Muhammad bin Khalid bin محمد بن خالد · The Book of Hunting and Slaughtering

"I asked the Messenger of Allah: 'I release my dog, and I find another dog with mine, and I do not know which mine, and I do not know which of them caught (the game).' He said: 'do not eat it, for you said the name of Allah over your dog, but not over any other.""