Learn About The Law
Get help with your legal needs
FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.
Current as of January 02, 2025 | Updated by Findlaw Staff
(a) Specifications. Each milliliter (mL) of solution contains 2.2 milligrams (mg) altrenogest.
(b) Sponsors. See Nos. 000061, 051072, and 061133 in § 510.600(c) of this chapter.
(c) Tolerances. See § 556.36 of this chapter.
(d) Conditions of use—
(1) Horses—
(i) Amount. 1.0 mL per 110 pounds body weight (0.044 mg/kg) daily for 15 consecutive days.
(ii) Indications for use. For suppression of estrus in mares.
(iii) Limitations. Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
(2) Swine—
(i) Amount. Administer 6.8 mL (15 mg altrenogest) per gilt once daily for 14 consecutive days by top-dressing on a portion of each gilt's daily feed.
(ii) Indications for use. For synchronization of estrus in sexually mature gilts that have had at least one estrous cycle.
(iii) Limitations. Do not use in gilts having a previous or current history of uterine inflammation (i.e., acute, subacute or chronic endometritis). Gilts must not be slaughtered for human consumption for 21 days after the last treatment.
Cite this article: FindLaw.com - Code of Federal Regulations Title 21. Food and Drugs § 21.520.48 Altrenogest - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-520-48/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.
A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.
Get help with your legal needs
FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.
Search our directory by legal issue
Enter information in one or both fields (Required)