# Food Additives Permitted in Feed and Drinking Water of Animals; 25-Hydroxyvitamin D3
> **Food and Drug Administration** · Final rule. · Published 2018-10-02 · Effective 2018-10-02 · 83 FR 49485
## Document
- **Document number:** 2018-21396
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 83 FR 49485
- **CFR reference:** 21 CFR 573
- **Publication date:** 2018-10-02
- **Effective date:** 2018-10-02
- **HHS docket:** Docket Nos. FDA-2013-F-1540 and FDA-2014-F-0296
## Abstract

The Food and Drug Administration (FDA, we, or the Agency) is amending the regulations for food additives permitted in feed and drinking water of animals to provide for the safe use of 25- hydroxyvitamin D<INF>3</INF> as a source of vitamin D<INF>3</INF> activity for layer and breeder chickens and turkeys. This action is in response to two food additive petitions filed by DSM Nutritional Products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/10/02/2018-21396/food-additives-permitted-in-feed-and-drinking-water-of-animals-25-hydroxyvitamin-d3)
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