Sayyiduna al-Bara' bin Azib (may Allah be pleased with him) said: The Prophet (peace and blessings be upon him) was asked about performing ablution from camel meat, and he (peace and blessings be upon him) ordered ablution; and he was asked about praying in the resting places of camels, and he (peace and blessings be upon him) forbade it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 739