(a) Specifications. Type A medicated articles containing:
(1) 25 percent amprolium and 8 percent ethopabate or 5 percent amprolium and 1.6 percent ethopabate;
(2) 25 percent amprolium and 0.8 percent ethopabate or 5 percent amprolium and 0.16 percent ethopabate.
(b) Approvals. See No. 016592 in Sec. 510.600(c) of this chapter.
(c) Special considerations. Do not use in Type B or Type C medicated feeds containing bentonite.
(d) Related tolerances. See Sec. Sec. 556.50 and 556.260 of this chapter.
(e) Conditions of use. It is used in chicken feed as follows: ----------------------------------------------------------------------------------------------------------------
Amprolium and ethopabate in grams Combination in grams
(1) Amprolium 113.5 and ethopabate ..................... Broiler chickens: As Feed continuously as 016592
3.6. an aid in the sole ration; as
prevention of sole source of
coccidiosis. amprolium. Not for
laying chickens.(2) Amprolium 113.5 and ethopabate Lincomycin 2 to 4.... Broiler chickens: As Feed continuously as 054771
3.6. an aid in the sole ration; as
prevention of sole source of
coccidiosis; for amprolium. Not for
increased rate of laying chickens.
weight gain and Lincomycin as
improved feed provided by No.
efficiency. 054771 in Sec.
510.600(c) of this
chapter.(3) Amprolium 113.5 and ethopabate ..................... Broiler chickens and Feed continuously as 016592
36.3. replacement sole ration; as
chickens: where sole source of
immunity to amprolium. Not for
coccidiosis is not chickens over 16
desired: As an aid weeks of age.
in the prevention
of coccidiosis
where severe
exposure to
coccidiosis from
Eimeria acervulina,
E. maxima, and E.
brunetti is likely
to occur.
(4) Amprolium 113.5 and ethopabate Bacitracin 4 to 50... 1. Broiler chickens Feed as the sole 016592
36.3. and replacement ration from the
chickens: where time chickens are
immunity to placed on litter
coccidiosis is not until past the time
desired; to aid in when coccidiosis is
prevention of ordinarily a
coccidiosis where hazard. Not for
severe exposure to chickens over 16
coccidiosis from weeks of age; do
Eimeria acervulina, not feed to laying
E. maxima, and E. chickens; as sole
brunetti is likely source of
to occur; for amprolium; not for
increased rate of use as a treatment
weight gain in for outbreaks of
broiler chickens coccidiosis.
raised in floor Bacitracin as
pens. bacitracin
methylene
disalicylate as
provided by No.
054771 in Sec.
510.600(c) of this
chapter.(5) Amprolium 113.5 and ethopabate Bacitracin 4 to 50... 2. Broiler chickens: Feed as the sole 054771
36.3. As an aid in ration from the
prevention of time chickens are
coccidiosis where placed on litter
severe exposure to until market
coccidiosis from weight. Not for
Eimeria acervulina, chickens over 16
E. maxima, and E. weeks of age; do
brunetti is likely not feed to laying
to occur; for chickens; as sole
improved feed source of
efficiency. amprolium; not for
use as a treatment
for coccidiosis.
Bacitracin zinc as
provided by No.
054771 in Sec.
510.600(c) of this
chapter.(6) Amprolium 113.5 and ethopabate Bambermycins 1 to 3.. Broiler chickens: As Feed continuously as 016592
3.6. an aid in the the sole ration; as
prevention of sole source of
coccidiosis where amprolium.
severe exposure to Bambermycins as
coccidiosis from provided by No.
Eimeria acervulina, 016592 in Sec.
E. maxima, and E. 510.600(c) of this
brunetti is likely chapter.
to occur; for
increased rate of
weight gain,
improved feed
efficiency.(7) Amprolium 113.5 and ethopabate Virginiamycin 15..... Broiler chickens; as Feed continuously as 066104
36.3. an aid in the the sole ration; as
prevention of sole source of
coccidiosis where amprolium. Do not
severe exposure to feed to laying
coccidiosis from chickens. Not for
Eimeria acervulina, chickens over 16
E. maxima, and E. weeks of age.
brunetti is likely Virginiamycin as
to occur; for provided by No.
increased rate of 066104 in Sec.
weight gain and 510.600(c) of this
improved feed chapter.
efficiency.(8) Amprolium 113.5 and ethopabate Virginiamycin 5 to 15 Broiler chickens; as Feed continuously as 066104
36.3. an aid in the the sole ration; as
prevention of sole source of
coccidiosis where amprolium. Do not
severe exposure to feed to laying
coccidiosis from chickens. Not for
Eimeria acervulina, chickens over 16
E. maxima, and E. weeks of age.
brunetti is likely Virginiamycin as
to occur; for provided by No.
increased rate of 066104 in Sec.
weight gain. 510.600(c) of this
chapter.(9) Amprolium 227 and ethopabate ..................... For broiler chickens Not for laying 016592
3.6. and replacement chickens.
chickens where
immunity to
coccidiosis is not
desired; prevention
of coccidiosis.(10) Amprolium 227 and ethopabate Chlortetracycline 100 For chickens where Do not feed to 054771
3.6. to 200. immunity to chickens producing
coccidiosis is not eggs for human
desired; prevention consumption. Feed
of coccidiosis; for 7 to 14 days.
control of
infectious
synovitis caused by
Mycoplasma synoviae
susceptible to
chlortetracycline.(11) Amprolium 227 and ethopabate Chlortetracycline 200 For chickens where In low calcium feed 054771
3.6. to 400. immunity to containing 0.8%
coccidiosis is not dietary calcium and
desired; prevention 1.5% sodium
of coccidiosis; sulfate; feed
control of chronic continuously as
respiratory disease sole ration for 7
(CRD) and air sac to 14 days; do not
infection caused by feed to chickens
M. gallisepticum producing eggs for
and E. coli human consumption.
susceptible to
chlortetracycline.---------------------------------------------------------------------------------------------------------------- [41 FR 10990, Mar. 15, 1976]
Editorial Note: For Federal Register citations affecting Sec. 558.58, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.