When anyone has or shall receive from the owner thereof any horses, cattle, sheep or goats under written contract, for the herding or caring for the same for pay or on shares, or in any other manner, except by absolute purchase, such horses, cattle, sheep and goats, together with the increase and product thereof, at all times, and until the full completion of such contract according to the terms thereof, shall be and remain the property of the said owner or owners so letting them out to be herded or cared for; and the person or persons so receiving the same for such purpose shall have no authority or right to sell, transfer, mortgage or dispose of the same, or any part thereof, in any manner whatever, without the express consent in writing of the owner or owners thereof.