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New Animal Drugs For Use in Animal Feeds 

---
identifier: "/us/fr/06-55520"
source: "fr"
legal_status: "authoritative_unofficial"
title: "New Animal Drugs For Use in Animal Feeds"
title_number: 0
title_name: "Federal Register"
section_number: "06-55520"
section_name: "New Animal Drugs For Use in Animal Feeds"
positive_law: false
currency: "2006-06-22"
last_updated: "2006-06-22"
format_version: "1.1.0"
generator: "[email protected]"
agency: "Health and Human Services Department"
document_number: "06-55520"
document_type: "rule"
publication_date: "2006-06-22"
agencies:
  - "Health and Human Services Department"
  - "Food and Drug Administration"
cfr_references:
  - "21 CFR Part 558"
fr_citation: "71 FR 35792"
fr_volume: 71
---

#  Bacitracin methylene disalicylate.

**CFR Correction**

In Title 21 of the Code of Federal Regulations, Parts 500 to 599, revised as of April 1, 2006, on page 391, in § 558.76, paragraphs (a), (b), and (d)(1) are corrected to read as follows:

§ 558.76

(a) *Approvals.* Type A medicated articles: 10, 25, 30, 40, 50, 60, or 75 grams per pound to 046573 in § 510.600(c) of this chapter.

(b) *Special considerations.* The quantities of antibiotics are expressed in terms of the equivalent amount of antibiotic standard.

(d) *Conditions of use.* (1) It is used as follows:

| Bacitracin methylene disalicylate in grams per ton | Combination in grams | Indications for use | Limitations | Sponsor |
| --- | --- | --- | --- | --- |
| (i) 4 to 50 |  | Chickens, turkeys, and pheasants; increased rate of weight gain and improved feed efficiency |  | 046573 |
| (ii) 5 to 20 |  | Quail not over 5 weeks of age; increased rate of weight gain and improved feed efficiency |  | 046573 |
| (iii) 10 to 25 |  | Chickens; for increased egg production and improved feed efficiency for egg production | For first 7 months of production | 046573 |
| (iv) 10 to 30 |  | Swine: for increased rate of weight gain and improved feed efficiency | For growing and finishing swine | 046573 |
|  | Chlortetracycline approximately 400, varying with body weight and food consumption to provide 10 milligrams per pound of body weight per day | Swine; for increased rate of weight gain and improved feed efficiency; for treatment of bacterial enteritis caused by 
                                
                                 and 
                                
                                 and bacterial pneumonia caused by 
                                
                                 susceptible to chlortetracycline | Feed for not more than 14 days; bacitracin methylene disalicylate provided by No. 046573; chlortetracycline provided by Nos. 046573 and 048164 in § 510.600(c) of this chapter | 046573 |
|  |  | Swine; for control of porcine proliferative enteropathies (ileitis) caused by 
                                
                                 susceptible to chlortetracycline | Feed for not more than 14 days; chlortetracycline and BMD as provided by 046573 in § 510.600(c) of this chapter | 046573 |
| (v) [Reserved] |  |  |  |  |
| (vi) 50 |  | Broiler chickens; as an aid in the prevention of necrotic enteritis caused or complicated by 
                                
                                 or other organisms susceptible to bacitracin |  | 046573 |
|  |  | Replacement chickens; as an aid in the prevention of necrotic enteritis caused or complicated by 
                                
                                 spp. or other organisms susceptible to bacitracin. | Feed continuously as sole ration | 046573 |
| (vii)-(viii) [Reserved] |  |  |  |  |
| (ix) 100 to 200 |  | Broiler chickens; as an aid in the control of necrotic enteritis caused or complicated by 
                                
                                 spp. or other organisms susceptible to bacitracin |  | 046573 |
|  |  | Replacement chickens; as an aid in the control of necrotic enteritis caused or complicated by 
                                
                                 spp. or other organisms susceptible to bacitracin. | Feed continuously as sole ration. Start at first clinical signs of disease, vary dosage based on severity of infection, administer continuously for 5 to 7 days or as long as clinical signs persist, then reduce medication to prevention level (50 g/t) | 046573 |
| (x) 200 |  | Turkeys; as an aid in the control of transmissible enteritis in growing turkeys complicated by organisms susceptible to bacitracin methylene disalicylate |  | 046573 |
|  |  | Quail; for the prevention of ulcerative enteritis in growing quail due to 
                                
                                 susceptible to bacitracin methylene disalicylate. | From Type A medicated articles containing 25, 40, or 50 grams of bacitracin methylene disalicylate. Feed continuously as the sole ration | 046573 |
| (xi) 250 |  | 1. Growing/Finishing Swine: For control of swine dysentery associated with 
                                
                                 on premises with a history of swine dysentery but where signs of the disease have not yet occurred; or following an approved treatment of the disease condition | As the sole ration. Not for use in swine weighing more than 250 pounds. Diagnosis should be confirmed by a veterinarian when results are not satisfactory | 046573 |
|  |  | 2. Pregnant sows: For control of clostridial enteritis caused by 
                                
                                 in suckling piglets | As the sole ration. Feed to sows from 14 days before through 21 days after farrowing on premises with a history of clostridial scours. Diagnosis should be confirmed by a veterinarian when results are not satisfactory |  |