It is narrated from Sayyiduna Usayd bin Hudayr (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Perform ablution (wudu) after eating camel meat." (The narrator then) narrated the full hadith.
Hadith Referenceالمعجم الكبير للطبراني / باب الألف / 554