558.515—Robenidine hydrochloride.

(a) Approvals. Type A medicated articles: 30 grams per pound to 046573 in § 510.600(c) of this chapter.

(b) Special considerations. Type C feed containing robenidine hydrochloride must be fed within 50 days from the date of manufacture. Do not use in Type B or Type C medicated feeds containing bentonite.

(d) Conditions of use. It is used in feed for chickens as follows:

Robenidine hydrochloride in grams/ton	Combination ingrams/ton	Indications for use	Limitations	Sponsor
30 (0.0033 pct)		For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix.	Feed continuously as sole ration. Do not feed to layers. Withdraw 5 days prior to slaughter.	046573
	Bacitracin (as bacitracin methylene disalicylate) 4 to 30	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For increased rate of weight gain.	Feed continuously as sole ration. Do not feed to laying chickens. Withdraw 5 days prior to slaughter.	046573
	Bacitracin (as bacitracin methylene disalicylate) 27 to 50	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For improved feed efficiency.	Feed continuously as sole ration. Do not feed to laying chickens. Withdraw 5 days prior to slaughter.	046573
	Bacitracin (as bacitracin methylene disalicylate) 50	For broiler and fryer chickens: As an aid in the prevention of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracin.	Feed continuously as sole ration. Do not feed to laying hens. Withdraw 5 days before slaughter.	046573
	Bacitracin (as bacitracin methylene disalicylate) 100 to 200	For broiler and fryer chickens: As an aid in the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracin.	To control a necrotic enteritis outbreak, start medication at first clinical signs of disease; administer continuously for 5 to 7 days or as long as clinical signs persist, then reduce bacitracin methylene disalicylate to prevention level (50 g/ton). Do not feed to laying hens. Withdraw 5 days before slaughter.	046573
Code of Federal Regulations 493
	Bacitracin (as bacitracin methylene disalicylate) 50 and roxarsone 22.7 to 45.4	For broiler chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. As an aid in the prevention of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracin. For increased rate of weight gain, improved feed efficiency, and improved pigmentation.	Feed continuously as sole ration. Use as the sole source of organic arsenic; poultry should have access to water at all times; drug overdose or lack of water intake may result in leg weakness or paralysis. Do not feed to laying chickens. Withdraw 5 days prior to slaughter.	046573
	Bacitracin (as bacitracin methylene disalicylate) 100 to 200 and roxarsone 22.7 to 45.4	For broiler chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. As an aid in the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to bacitracin. For increased rate of weight gain, improved feed efficiency, and improved pigmentation.	To control necrotic enteritis, start medication at first clinical signs of disease; vary bacitracin dosage based on the severity of infection; administer continuously for 5 to 7 days or as long as clinical signs persist, then reduce bacitracin to prevention level (50 g/ton). Use as the sole source of organic arsenic; poultry should have access to water at all times; drug overdose or lack of water intake may result in leg weakness or paralysis. Do not feed to laying chickens. Withdraw 5 days prior to slaughter.	046573
	Bacitracin (as bacitracin zinc) 4 to 30	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For increased rate of weight gain.	Feed continuously as sole ration. Do not feed to laying chickens. Withdraw 5 days prior to slaughter.	046573046573
	Bacitracin (as bacitracin zinc) 27 to 50	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For improved feed efficiency.	Feed continuously as sole ration. Do not feed to laying chickens. Withdraw 5 days prior to slaughter.	046573046573
	Chlortetracycline 100 to 200	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For control of infectious synovitis caused by Mycoplasma synoviae susceptible to chlortetracycline.	Feed continuously as sole ration up to 14 days. Do not feed to chickens producing eggs for human consumption. Withdraw 5 days prior to slaughter.
	Chlortetracycline 200 to 400	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For control of chronic respiratory disease (CRD) and air sac infection caused by M. gallisepticum and E. coli susceptible to chlortetracycline.	Feed continuously as sole ration up to 14 days. Do not feed to chickens producing eggs for human consumption. Withdraw 5 days prior to slaughter.
	Chlortetracycline 500	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. As an aid in the reduction of mortality due to E. coli susceptible to chlortetracycline.	Feed continuously as sole ration up to 5 days. Do not feed to chickens producing eggs for human consumption. Withdraw 5 days prior to slaughter.	046573
Code of Federal Regulations 494
	Lincomycin 2	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For increase in rate of weight gain and improved feed efficiency.	Feed continuously as the sole ration. Do not feed to laying hens. Withdraw 5 days before slaughter.	000009
	Oxytetracycline 400	For broiler chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For control of CRD and air sac infection caused by Mycoplasma gallisepticum and E. coli susceptible to oxytetracycline.	Feed continuously for 7 to 14 days. Do not feed to chickens producing eggs for human consumption. Withdraw 5 days before slaughter.	066104
	Roxarsone 22.5 to 45.4 (0.005 percent)	For broiler and fryer chickens: As an aid in the prevention of coccidiosis caused by E. mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrix. For increased rate of weight gain.	Feed continuously as the sole ration. Use as sole source of organic arsenic. Do not feed to layers. Withdraw 5 days prior to slaughter.	046573

Code of Federal Regulations

[40 FR 13959, Mar. 27, 1975]

Code of Federal Regulations

Editorial Note: For Federal Register citations affecting § 558.515 , see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.