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Code of Federal Regulations Title 21. Food and Drugs § 21.558.248 Erythromycin

Current as of January 02, 2025 | Updated by Findlaw Staff

(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
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Cite this article: FindLaw.com - Code of Federal Regulations Title 21. Food and Drugs § 21.558.248 Erythromycin - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-558-248/

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