Such sale of perishable property shall be conducted in the same manner as sales of personal property under execution; provided, however, that the time of the sale, and the time of advertisement thereof, may be fixed by the judge or justice of the peace at a time earlier than ten days, according to the exigency of the case, and in such event notice thereof shall be given in such manner as directed by the order.
Tex. R. Civ. P. 617