Maliks Muwatta Book 31, Hadith Number 65.

Section : Selling Animals in Exchange for Meat.

Yahya related to me from Malik from Da’ud ibn al-Husayn that he heard Said ibn alMusayyab say, “Part of the gambling of the people of Jahiliya was bartering live animals for slaughtered meat, for instance one live sheep for two slaughtered sheep.”