أَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ، عَنْ حَمَّادِ بْنِ سَلَمَةَ، عَنْ أَبِي الْعُشَرَاءِ، عَنْ أَبِيهِ، قَالَ قُلْتُ يَا رَسُولَ اللَّهِ أَمَا تَكُونُ الذَّكَاةُ إِلاَّ فِي الْحَلْقِ وَاللَّبَّةِ قَالَ ‏"‏ لَوْ طَعَنْتَ فِي فَخِذِهَا لأَجْزَأَكَ ‏"‏ ‏.‏

It was narrated from Abu Ushara' that his father said: "I said: "O Messenger of Allah, is slaughtering only in the throat or upper chest?" He said: 'If you stab it in the thigh, that will suffice,"'(Daif) Translation Not Available

Book Ref: Sunan An Nisai Book 43 Hadith 4408
Web Ref:  Sunan An Nisai Vol 5 Book 43 Hadith 4413