When breeding animals are slaughtered following any test, there shall be deducted from their appraised value the proceeds from the sale of salvage. The owner shall be paid by the state one-third of the sum remaining after the above deduction is made, but the state shall in no case pay to such owner a sum in excess of seventy-five dollars for any registered purebred animal or fifty dollars for any grade animal.
Iowa Code § 165.6