LAC 35:I.1729. State Chemist Report

A. When a report is received from the state chemist reflecting in his expert opinion that the chemical analysis of blood, saliva, urine, or other samples taken from a horse indicated the presence of a forbidden narcotic, stimulant, depressant or analgesic, local anesthetic or drugs of any description not permitted by Chapter 15, this shall be taken as prima facie evidence that such has been administered to the horse. Such shall also be taken as prima facie evidence that the owner and/or trainer and/or groom has been negligent in handling of the horse.