# New Animal Drugs for Use in Animal Feed; Withdrawal of Approval of a New Animal Drug Application
**AGENCY:**
Food and Drug Administration, HHS.
**ACTION:**
Notification of withdrawal.
**SUMMARY:**
The Food and Drug Administration (FDA) is withdrawing approval of eight new animal drug applications (NADAs) at the sponsor's request because these products are no longer manufactured or marketed.
**DATES:**
Withdrawal of approval is effective September 8, 2016.
**FOR FURTHER INFORMATION CONTACT:**
Sujaya Dessai, Center for Veterinary Medicine (HFV-212), Food and Drug Administration, 7519 Standish Pl., Rockville, MD 20855, 240-402-5761, *[email protected]* .
**SUPPLEMENTARY INFORMATION:**
Elanco Animal Health, A Division of Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285 has requested that FDA withdraw approval of the NADAs listed in the following table because the products are no longer manufactured or marketed:
| File No. | Product name | 21 CFR |
| --- | --- | --- |
| 012-548 | TYLOSIN (tylosin phosphate)/HYGROMIX (hygromycin B) | 558.274 |
| 013-162 | TYLAN TM (tylosin phosphate) Type A medicated article | 558.625 |
| 013-388 | TYLAN (tylosin phosphate)/HYGROMIX (hygromycin B) Premix | 558.274 |
| 015-166 | TYLAN TM (tylosin phosphate) Type A medicated article | 558.625 |
| 127-507 | TYLAN 5 SULFA-G (tylosin phosphate and sulfamethazine), TYLAN 10 SULFA-G (tylosin phosphate and sulfamethazine), TYLAN 20 SULFA-G (tylosin phosphate and sulfamethazine), TYLAN 40 SULFA-G (tylosin phosphate and sulfamethazine) | 558.630 |
| 141-164 | TYLAN (tylosin phosphate)/COBAN (monensin) | 558.355 |
| 141-170 | TYLAN (tylosin phosphate)/MONTEBAN (narasin) | 558.363 |
| 141-198 | TYLAN TM (tylosin phosphate)/BIO-COX (salinomycin) | 558.550 |
Therefore, under authority delegated to the Commissioner of Food and Drugs and redelegated to the Center for Veterinary Medicine, and in accordance with § 514.116 *Notice of withdrawal of approval of application* (21 CFR 514.116), notice is given that approval of NADAs 012-548, 013-162, 013-388, 015-166, 127-507, 141-164, 141-170, and 141-198, and all supplements and amendments thereto, is hereby withdrawn, effective September 8, 2016.
Elsewhere in this issue of the *Federal Register* , FDA is amending the animal drug regulations to reflect the voluntary withdrawal of approval of these applications.
Dated: August 8, 2016.
Tracey H. Forfa,
Deputy Director, Center for Veterinary Medicine.