In the event that the cities or counties of this Commonwealth or any of them establish workhouses, city farms or work squads on which prisoners are put to work, persons convicted of nonsupport under the provisions of this chapter may be committed to the farms, workhouses or work squads instead of to jail. Persons sentenced to jail or to a workhouse or city farm under the provisions of this chapter shall be required to do such work as they are capable of in accordance with the opinion of the physician examining such persons pursuant to § 53.1-33 and shall be returned, when released, to the court which exercised original jurisdiction in the case and by that court may be placed on probation upon the terms and conditions and in the manner prescribed by law for probation of original offenders in such cases.