"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)  

قُلْتُ يَا رَسُولَ اللَّهِ أَمَا تَكُونُ الذَّكَاةُ إِلاَّ فِي الْحَلْقِ وَاللَّبَّةِ قَالَ لَوْ طَعَنْتَ فِي فَخِذِهَا لأَجْزَأَكَ