In all cases where no agreement can be reached, there shall be appointed three competent and disinterested freeholders, one by the department, one by the owner, and the third by the first two at the expense of the owner, who shall ascertain and decide upon the appraised value of each animal condemned, and shall sign a certificate of such value in the presence of a witness who shall attest the same, and such valuation shall in each case be made upon the market value of the animal for breeding, dairy or beef purposes on the day of appraisement.