# Food Additives Permitted in Feed and Drinking Water of Animals; Marine Microalgae
> **Food and Drug Administration** · Final rule. · Published 2018-05-07 · Effective 2018-05-07 · 83 FR 19934
## Document
- **Document number:** 2018-09636
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 83 FR 19934
- **CFR reference:** 21 CFR 573
- **Publication date:** 2018-05-07
- **Effective date:** 2018-05-07
- **HHS docket:** Docket No. FDA-2014-F-1509
## 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 dried marine microalgae as a source of docosahexaenoic acid (DHA) for use in complete, dry foods for adult dogs. This action is in response to a food additive petition filed by DSM Nutritional Products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/05/07/2018-09636/food-additives-permitted-in-feed-and-drinking-water-of-animals-marine-microalgae)
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