Ubaid bin al-Sabaq عبيد بن السباق الثقفي · The Book of Hunting and Slaughtering

"I said: 'O Messenger of Allah, we live in a land where people hunt, and I hunt with my bow and with my trained dog, and with trained dog, and with my dog which ins not trained.' He said: 'whatever you catch with your bow, mention the name of Allah over it and eat. Whatever you catch with the trained dog, mention the name of Allah over it and eat. Whatever you catch with your untrained dog and you reach…

"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.""