The official veterinarian shall be responsible to the stewards for the conduct of horses and theirattendants in the receiving and detention barn. He shall have authority and jurisdiction tosupervise the practicing licensed veterinarians and shall enforce the Board's rules andregulations relating to veterinary practices. The official veterinarian shall recommend disciplinefor the licensed veterinarians who fail to comply with the rules and regulations and acceptedveterinary practices. He shall report to the Board the names of all horses humanely destroyedor which otherwise expire at the meeting and the reasons therefor. He shall maintain a list ofall infirm horses on the grounds. No official veterinarian, during his term of appointment, shalldirectly treat or prescribe for any horse registered to race at any recognized meeting except inemergency, the details of which shall be immediately reported to the stewards.