15.01.15.03

.03 When Permitted.

A. Except as provided in this regulation, a person may administer a medically important antimicrobial drug to cattle, swine, or poultry if, in the professional judgment of a licensed veterinarian, the medically important antimicrobial drug is necessary:

(1) To treat a disease or infection;

(2) To control the spread of a disease or infection; or

(3) For a surgery or medical procedure.

B. A person may administer a medically important antimicrobial drug to cattle, swine, or poultry if, in the professional judgment of a licensed veterinarian, the medically important antimicrobial drug is necessary for prophylaxis to address an elevated risk of contraction of a particular disease or infection.

C. Unless administration of a medically important antimicrobial drug is consistent with §A of this regulation, a person may not administer a medically important antimicrobial drug in a regular pattern to cattle, swine, or poultry.

D. A person may not administer a medically important antimicrobial drug to cattle, swine, or poultry solely for the purpose of:

(1) Promoting weight gain; or

(2) Improving feed efficiency.