{"data":{"id":"us/21-cfr-520.999","jurisdiction":"us","citation":"21 CFR 520.999","heading":"Fluralaner oral solution.","body":"(a) Specifications. Each milliliter (mL) of solution contains 10 milligrams (mg) fluralaner.\n(b) Sponsor. See No. 000061 in § 510.600(c) of this chapter.\n(c) Conditions of use in laying hens and replacement chickens—(1) Amount. Administer orally to chickens via the drinking water as 2 single doses, spaced 7 days apart, with each dose consumed over a period of 6 to 24 hours. Each dose is 0.5 mg fluralaner/kilogram (kg) (0.227 mg/pound (mg/lb)) body weight, equivalent to 0.05 mL fluralaner oral solution/kg body weight (0.023 mL/lb).\n(2) Indications for use. For the treatment and control of northern fowl mites (Ornithonyssus sylviarum).\n(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. Chickens must not be slaughtered for human consumption for 11 days after the last treatment. No egg discard is required when used according to the labeling.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"1f6f9bc9f47e341d78acb945fab2ddcdcc813b52f2f1e507fc27a9b3d7b4aaca","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-520.998","next":"us/21-cfr-520.1010"},"notice":"GroundRules: Original legal text. Not legal advice."}