# New Animal Drugs for Use in Animal Feeds; Lasalocid
> **Food and Drug Administration** · Final rule; technical amendment. · Published 2002-12-05 · Effective 2002-12-05 · 67 FR 72368
## Document
- **Document number:** 02-30783
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 67 FR 72368
- **CFR reference:** 21 CFR 558
- **Publication date:** 2002-12-05
- **Effective date:** 2002-12-05
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a new animal drug application (NADA) filed by Purina Mills, Inc. The NADA provides for the use of a lasalocid Type A medicated article to make free-choice Type C medicated feed mineral blocks used for increased rate of weight gain in pasture cattle (slaughter, stocker, feeder cattle, and dairy and beef replacement heifers).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/12/05/02-30783/new-animal-drugs-for-use-in-animal-feeds-lasalocid)
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