Sahih Bukhari
Shahih Bukhari Volume 003, Book 045, Hadith Number 689.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 45. Mortgaging
Narated By Abu Huraira : Allah's Apostle said, "The mortgaged animal can be used for riding as long as it is fed and the milk of the milch animal can be drunk according to what one spend on it. The one who rides the animal or drinks its milk should provide the expenditures."