Sahih Bukhari Volume 7, Book 72, Hadith 5480

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يَزِيدَ، حَدَّثَنَا حَيْوَةُ، قَالَ أَخْبَرَنِي رَبِيعَةُ بْنُ يَزِيدَ الدِّمَشْقِيُّ، عَنْ أَبِي إِدْرِيسَ، عَنْ أَبِي ثَعْلَبَةَ الْخُشَنِيِّ، قَالَ قُلْتُ يَا نَبِيَّ اللَّهِ إِنَّا بِأَرْضِ قَوْمٍ أَهْلِ الْكِتَابِ، أَفَنَأْكُلُ فِي آنِيَتِهِمْ وَبِأَرْضِ صَيْدٍ، أَصِيدُ بِقَوْسِي وَبِكَلْبِي الَّذِي لَيْسَ بِمُعَلَّمٍ، وَبِكَلْبِي الْمُعَلَّمِ، فَمَا يَصْلُحُ لِي قَالَ ‏"‏ أَمَّا مَا ذَكَرْتَ مِنْ أَهْلِ الْكِتَابِ فَإِنْ وَجَدْتُمْ غَيْرَهَا فَلاَ تَأْكُلُوا فِيهَا، وَإِنْ لَمْ تَجِدُوا فَاغْسِلُوهَا وَكُلُوا فِيهَا، وَمَا صِدْتَ بِقَوْسِكَ فَذَكَرْتَ اسْمَ اللَّهِ فَكُلْ، وَمَا صِدْتَ بِكَلْبِكَ الْمُعَلَّمِ فَذَكَرْتَ اسْمَ اللَّهِ فَكُلْ، وَمَا صِدْتَ بِكَلْبِكَ غَيْرَ مُعَلَّمٍ فَأَدْرَكْتَ ذَكَاتَهُ فَكُلْ ‏"‏‏.‏

Narrated By Abu Tha'laba Al-Khushani : I said, "O Allah's Prophet! We are living in a land ruled by the people of the Scripture; Can we take our meals in their utensils? In that land there is plenty of game and I hunt the game with my bow and with my hound that is not trained and with my trained hound. Then what is lawful for me to eat?" He said, "As for what you have mentioned about the people of the Scripture, if you can get utensils other than theirs, do not eat out of theirs, but if you cannot get other than theirs, wash their utensils and eat out of it. If you hunt an animal with your bow after mentioning Allah's Name, eat of it. and if you hunt something with your trained hound after mentioning Allah's Name, eat of it, and if you hunt something with your untrained hound (and get it before it dies) and slaughter it, eat of it."