It is narrated from Hazrat Maymunah that the Prophet (peace be upon him) ate the meat of the shoulder, then stood up and began to pray without performing a fresh ablution.
Hadith Referenceمسند احمد / مسند النساء / 26813
Hadith Gradingحکم دارالسلام:حديث صحيح، ، خ: 210، م: 356 وهذا إسناد حسن