(a) Specifications. Type A medicated articles containing 25 percent nicarbazin.
(b) Approvals. See Nos. 000986, 060728, and 066104 in Sec. 510.600(c) of this chapter for use as in paragraph (d) of this section.
(c) Related tolerances. See Sec. 556.445 of this chapter.
(d) Conditons of use. It is used in chicken feed as follows: ----------------------------------------------------------------------------------------------------------------
Combination in grams
Nicarbazin in grams per ton per ton Indications for use Limitations Sponsor----------------------------------------------------------------------------------------------------------------27 to 45......................... Narasin 27 to 45.... Broiler chickens; Sec. 000986
prevention of 558.363(d)(1)(iii).
coccidiosis caused by
Eimeria tenella, E.
necatrix, E.
acervulina, E. maxima,
E. brunetti, E.
mivati..
Narasin 27 to 45 and Broiler chickens; Feed continuously 000986
bacitracin prevention of as sole ration.
methylene coccidiosis caused by Withdraw 5 days
disalicylate 4 to Eimeria tenella, E. before slaughter.
50. necatrix, E. Do not allow
acervulina, E. maxima, turkeys, horses,
E. brunetti, E. or other equines
mivati; for increased access to
rate of weight gain formulations
and improved feed containing
efficiency. narasin. Ingestion
of narasin by
these species has
been fatal. Do not
feed to laying
hens. Narasin and
nicarbazin as
provided by
000986, bacitracin
methylene
disalicylate by
054771.
Narasin 27 to 45 and Broiler chickens: For Feed continuously 054771
bacitracin prevention of as sole ration. Do
methylene coccidiosis caused by not feed to laying
disalicylate 50.. Eimeria tenella, E. hens. Withdraw 5
necatrix, E. days before
acervulina, E. maxima, slaughter. Do not
E. brunetti, and E. allow turkeys,
mivati; as an aid in horses or other
the prevention of equines access to
necrotic enteritis formulations
caused or complicated containing
by Clostridium spp. or narasin. Ingestion
other organisms of narasin by
susceptible to these species has
bacitracin.. been fatal.
Narasin and
nicarbazin as
provided by No.
000986, bacitracin
methylene
disalicylate by
No. 054771 in Sec.
510.600(c) of
this chapter..
Narasin 27 to 45 and Broiler chickens: For To control necrotic 054771
bacitracin prevention of enteritis, start
methylene coccidiosis caused by medication at
disalicylate 100 to Eimeria tenella, E. first clinical
200.. necatrix, E. signs of disease;
acervulina, E. maxima, vary dosage based
E. brunetti, and E. on the severity of
mivati; as an aid in infection;
the control of administer
necrotic enteritis continuously for 5
caused or complicated to 7 days or as
by Clostridium spp. or long as clinical
other organisms signs persist,
susceptible to then reduce
bacitracin.. bacitracin to
prevention level
(50 g/ton). Do not
feed to laying
hens. Withdraw 5
days before
slaughter. Do not
allow turkeys,
horses or other
equines access to
formulations
containing
narasin. Ingestion
of narasin by
these species has
been fatal.
Narasin and
nicarbazin as
provided by No.
000986, bacitracin
methylene
disalicylate by
No. 054771 in Sec.
510.600(c) of
this chapter..
Narasin 27 to 45, Broiler chickens: As an Feed continuously 000986
and bambermycins 1 aid in preventing as sole ration
to 2. outbreaks of cecal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis; ordinarily a
and for increased rate hazard; do not use
of weight gain and as a treatment for
improved feed coccidiosis; do
efficiency.. not use in
flushing mashes;
do not feed to
laying hens;
withdraw 4 days
before slaughter.
Bambermycins
provided by No.
016592; nicarbazin
and narasin by No.
066104 in Sec.
510.600(c) of this
chapter.
Narasin 27 to 45 and Broiler chickens; Feed continuously 000986
Lincomycin 2 to 4. prevention of as sole ration.
coccidiosis caused by Withdraw 5 days
Eimeria tenella, E. before slaughter.
necatrix, E. Do not allow
acervulina, E. maxima, turkeys, horses,
E. brunetti, E. or other equines
mivati; for increased access to
rate of weight gain formulations
and improved feed containing
efficiency. narasin. Ingestion
of narasin by
these species has
been fatal. Do not
feed to laying
hens. Do not allow
rabbits, hamsters,
guinea pigs,
horses, or
ruminants access
to feeds
containing
lincomycin.
Ingestion by these
species may result
in severe
gastrointestinal
effects. Narasin
and nicarbazin as
provided by
000986, lincomycin
by054771.90.8 to 181.6 (0.01 to 0.02 pct). .................... Broiler chickens: As an Feed continuously 066104
aid in preventing as sole ration
outbreaks of cecal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis. ordinarily a
hazard. Do not use
as a treatment for
coccidiosis. Do
not feed to laying
hens. Withdraw 4
days before
slaughter for use
levels at or below
113.5 g/ton.
Withdraw 5 days
before slaughter
for use levels
above 113.5 g/ton.
Bacitracin methylene Broiler chickens: As an Feed continuously 054771
disalicylate 4 to aid in preventing as sole ration
50. outbreaks of cecal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis; ordinarily a
for increased rate of hazard. Do not use
weight gain and as a treatment for
improved feed coccidiosis. Do
efficiency. not feed to laying
hens. Withdraw 4
days before
slaughter for use
levels at or below
113.5 g/ton.
Withdraw 5 days
before slaughter
for use levels
above 113.5 g/ton.
Bacitracin
methylene
disalicylate as
provided by No.
054771 in Sec.
510.600(c) of this
chapter.
Bacitracin methylene Broiler chickens: As an Feed continuously 066104
disalicylate 30. aid in preventing as sole ration
outbreaks of cecal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis; ordinarily a
for increased rate of hazard. Do not use
weight gain and as a treatment for
improved feed coccidiosis. Do
efficiency. not feed to laying
hens. Withdraw 4
days before
slaughter for use
levels at or below
113.5 g/ton.
Withdraw 5 days
before slaughter
for use levels
above 113.5 g/ton.
Bacitracin
methylene
disalicylate as
provided by No.
054771 in Sec.
510.600(c) of this
chapter.
Bacitracin methylene Broiler chickens: As an Feed continuously 054771
disalicylate 50. aid in preventing as sole ration
outbreaks of cecal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis; ordinarily a
as an aid in the hazard. Do not use
prevention of necrotic as a treatment for
enteritis caused or coccidiosis. Do
complicated by not feed to laying
Clostridium spp. or hens. Withdraw 4
other organisms days before
susceptible to slaughter for use
bacitracin. levels at or below
113.5 g/ton.
Withdraw 5 days
before slaughter
for use levels
above 113.5 g/ton.
Bacitracin
methylene
disalicylate as
provided by No.
054771 in Sec.
510.600(c) of this
chapter.113.5 (0.0125 pct)............... .................... Chickens; aid in Feed continuously 000986
preventing outbreaks as sole ration 060728
of cecal (Eimeria from time chicks
tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis. ordinarily a
hazard; do not use
as a treatment for
coccidiosis; do
not use in
flushing mashes;
do not feed to
laying hens;
withdraw 4 days
before slaughter.
Bacitracin methylene Broiler chickens; aid ......do........... 060728
disalicylate 30. in preventing
outbreaks of cecal
(Eimeria tenella) and
intestinal (E.
acervulina, E. maxima,
E. necatrix, and E.
brunetti) coccidiosis;
for increased rate of
weight gain and
improved feed
efficiency.
Bacitracin zinc 4 to Broiler chickens; aid For broiler 066104
50.. in preventing chickens only. 054771
outbreaks of cecal Feed continuously
(Eimeria tenella) and as sole ration
intestinal (E. from time chicks
acervulina, E. maxima, are placed on
E. necatrix, and E. litter until past
brunetti) coccidiosis, the time when
and for increased rate coccidiosis is
of weight gain and ordinarily a
improved feed hazard.
efficiency.. Discontinue
medication 4 days
before marketing
the birds for
human consumption
to allow for
elimination of the
drug from edible
tissue. Do not
feed to laying
hens in
production.
Nicarbazin as
provided by
066104, bacitracin
zinc by 054771..
Bambermycins 1 to 2. Broiler chickens; aid Feed continuously 057926
in preventing as sole ration
outbreaks of cecal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis, ordinarily a
for increased rate of hazard; do not use
weight gain and as a treatment for
improved feed coccidiosis; do
efficiency.. not use in
flushing mashes;
do not feed to
laying hens;
withdraw 4 days
before slaughter.
Nicarbazin as
provided by
066104..
Bambermycins 1 to 2. Broiler chickens: For Feed continuously 016592
prevention of as sole ration.
coccidiosis caused by Bambermycins
Eimeria tenella, E. provided by No.
necatrix, E. 016592 in Sec.
acervulina, E. 510.600(c) of this
brunetti, E. mivati, chapter.
and E. maxima; and for
increased rate of
weight gain and
improved feed
efficiency..
Lincomycin 2 Broiler chickens; aid Feed continuously 060728
(0.00044 pct). in preventing as sole ration 066104
outbreaks of secal from time chicks
(Eimeria tenella) and are placed on
intestinal (E. litter until past
acervulina, E. maxima, the time when
E. necatrix, and E. coccidiosis is
brunetti) coccidiosis; ordinarily a
for increased rate of hazard; do not use
weight gain.. as a treatment for
coccidiosis; do
not use in
flushing mashes;
do not feed to
laying hens;
withdraw 4 days
before slaughter..---------------------------------------------------------------------------------------------------------------- [42 FR 56729, Oct. 28, 1977; 43 FR 1942, Jan. 13, 1978, as amended at 44 FR 40887, July 13, 1979; 50 FR 13562, Apr. 5, 1985; 51 FR 7399, Mar. 3, 1986; 54 FR 1928, Jan. 18, 1989; 60 FR 29483, June 5, 1995; 61 FR 1832, Jan. 24, 1996; 61 FR 14021, Mar. 29, 1996; 61 FR 14483, Apr. 2, 1996; 62 FR 29011, May 29, 1997; 63 FR 13124, Mar. 18, 1998; 63 FR 57248, Oct. 27, 1998; 64 FR 4966, Feb. 2, 1999; 64 FR 18574, Apr. 15, 1999; 64 FR 20164, Apr. 26, 1999; 64 FR 49384, Sept. 13, 1999; 65 FR 11889, Mar. 7, 2000; 66 FR 46706, Sept. 7, 2001; 66 FR 47962, Sept. 17, 2001; 66 FR 63500, Dec. 7, 2001; 67 FR 30327, May 6, 2002; 71 FR 16224, Mar. 31, 2006; 71 FR 27957, May 15, 2006; 73 FR 15884, Mar. 26, 2008; 75 FR 7555, Feb. 22, 2010; 78 FR 23, Jan. 2, 2013; 78 FR 42007, July 15, 2013; 78 FR 52429, Aug. 23, 2013; 79 FR 10983, Feb. 27, 2014; 79 FR 13545, Mar. 11, 2014]