If a reactor is found on the stained-antigen, rapid, whole-blood test for pullorum-typhoid, this shall be verified by submitting the reactor bird or birds (up to a maximum of 4 birds) to an approved laboratory for examination; laboratory results will be used to determine whether a flock is classified as clean or infected.
Ill. Admin. Code tit. 8, § 55.30
Amended at 8 Ill. Reg. 5929, effective April 23, 1984