All cases arising under the provisions of this chapter where the process of attachment is authorized for the enforcement of any lien declared hereby, except in cases of agisters or trainer liens and the lien declared to the owners of the stallions, jacks, bulls, etc., and, unless otherwise particularly provided for, must be commenced within six months after the demand becomes due; and unless commenced within that time, the lien is lost. All cases of attachment arising under the provisions of this chapter shall stand for trial at the time and shall be tried in the manner and upon the notice required in other attachment cases.