Chickens.

Chickens. It is used as follows:
(3) Turkeys. It is used as follows:
(4) Pheasants. It is used as follows:
(5) Permitted combinations. Amprolium may also be used in combination with:
(i) Virginiamycin as in § 558.635.
(ii) [Reserved]

Source

21 CFR § 558.55

Scoping language

None