Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 6 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS
/ PART 558 - NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS
/ Subpart B - Specific New Animal Drugs for Use in Animal Feeds / § 558.248 Erythromycin.
§ 558.248 Erythromycin.
(a) Specifications. Type A medicated articles containing 92.5 grams per pound erythromycin (as the thiocyanate salt).
(b) Sponsor. See No. 061133 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.230 of this chapter.
(d) Special considerations. (1) Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian. See § 558.6 for additional requirements.
(2) The expiration date of VFDs for erythromycin medicated feeds must not exceed 6 months from the date of issuance. VFDs for erythromycin shall not be refilled.
(e) Conditions of use - (1) Chickens -
| Erythromycin in grams/ton | Combination in grams/ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (i) 92.5 | Chickens: As an aid in the prevention of chronic respiratory disease during periods of stress | Feed for 2 days before stress and 3 to 6 days after stress. Withdraw 24 hours before slaughter | 061623 | |
| (ii) 92.5 | Chickens: As an aid in the prevention of infectious coryza | Feed for 7 to 14 days. Withdraw 24 hours before slaughter | 061623 | |
| (iii) 185 | Chickens: As an aid in the prevention and reduction of lesions and in lowering severity of chronic respiratory disease (CRD) | Feed for 5 to 8 days. Withdraw 48 hours before slaughter. Do not use in birds producing eggs for food | 061623 |
(2) Turkeys -
| Erythromycin thiocyanate in grams/ton | Combination in grams/ton | Indications for use | Limitations | Sponsor |
|---|---|---|---|---|
| (i) 92.5 | Turkeys: As an aid in the prevention of chronic respiratory disease during periods of stress | Feed for 2 days before stress and 3 to 6 days after stress | 061623 | |
| (ii) 185 | Turkeys: As an aid in the prevention and reduction of lesions and in lowering severity of chronic respiratory disease (CRD) | Feed for 5 to 8 days. Do not use in birds producing eggs for food | 061623 |