English Translation
Narrated Ibn 'Umar: In the pre-lslamic period of ignorance the people used to bargain with the meat of camels on the principle of Habal-alHabala which meant the sale of a she-camel that would be born by a she-camel that had not yet been born. The Prophet forbade them such a transaction.
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.