(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 |
[41 FR 10999, Mar. 15, 1976, as amended at 45 FR 56799, Aug. 26, 1980; 49 FR 31281, Aug. 6, 1984; 51 FR 7397, Mar. 3, 1986; 52 FR 2684, Jan. 26, 1987; 54 FR 12189, Mar. 24, 1989; 66 FR 14074, Mar. 9, 2001; 68 FR 4915, Jan. 31, 2003; 79 FR 10982, Feb. 27, 2014; 81 FR 36790, June 8, 2016; 81 FR 95004, Dec. 27, 2016; 84 FR 8975, Mar. 13, 2019]
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