Yahya related to me from Malik from Zayd Aslam from Ata ibn Yasarfrom Abdullah Abbas that the Messenger of Allah, may Allah bless himand grant him peace, ate a shoulder of lamb and then prayed withoutdoing wudu. (JA)
USC-MSA web (English) reference: Book 2, Hadith 19 (JA)
Arabic reference (JA): Book 2, Hadith 49 (JA)