Volume 3, Book 45, Number 688:
Narrated Abu Huraira:
The Prophet said, “One can ride the mortgaged animal because of what one spends on it, and one
can drink the milk of a milch animal as long as it is mortgaged. ”
Volume 3 – 572 / 1700
SAHIH BUKHARI VOLUME 3 > BOOK 45: MORTGAGING