وَحَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، حَدَّثَنَا إِبْرَاهِيمُ بْنُ سَعْدٍ، حَدَّثَنَا الزُّهْرِيُّ، عَنْ جَعْفَرِ بْنِ عَمْرِو بْنِ أُمَيَّةَ الضَّمْرِيِّ، عَنْ أَبِيهِ، أَنَّهُ رَأَى رَسُولَ اللَّهِ صلى الله عليه وسلم يَحْتَزُّ مِنْ كَتِفٍ يَأْكُلُ مِنْهَا ثُمَّ صَلَّى وَلَمْ يَتَوَضَّأْ ‏.‏

Ja'far b. Amr b. Umayya al-Damari reported on the authority of his father who said: I saw the Messenger of Allah (PBUH) take slices from goat's shoulder, and then eat them, and then offer prayer without having performed ablution. Translation Not Available

Book Ref: Sahih Muslim Book 3 Hadith 691
Web Ref:  Sahih Muslim Book 3 Hadith 355 a