It is narrated from Hazrat Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) commanded us to perform ablution after eating camel meat, and not to perform ablution after eating goat meat, and to pray in sheep pens, but not to pray in camel pens.
Hadith Referenceمسند احمد / أول مسند البصريين / 20909
Hadith Gradingحکم دارالسلام:صحيح لغيره، م: 360، وهذا إسناد حسن