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NADA Number: 141-302

Proprietary Name EAZI-BREED™ CIDRĀ® Sheep Insert
Sponsor Zoetis Inc.
Sponsor Address 333 Portage St.
Kalamazoo, MI    49007
Ingredients Progesterone
Species (Class) SHEEP (DOMESTIC) (Sheep, breeding)
Routes of Administration INTRAVAGINAL
Dispensing Status OTC
Patent Number (Expiration Date) 6,423,039 (06/22/2017)
6,663,608 (06/22/2017)
Exclusivity Under section 573(c) of the Federal Food, Drug and Cosmetic Act (the act), this approval qualifies for SEVEN years exclusive marketing rights beginning on the date of approval because the new animal drug has been declared a designated new animal drug by FDA under section 573(a) of the act. (Exp. 10/01/2016) 
Withdrawal Time




Each insert contains 0.3 gram progesterone in molded silicone over a flexible nylon spine.

Dosage Amount,
& Limitations

Dosage: One insert per ewe for five days.

Indications: For induction of estrus in ewes (sheep) during seasonal anestrus.

Limitations: Do not use in ewes with abnormal, immature, or infected genital tracts or in ewes that have never lambed.



Residues of progesterone are not permitted in excess of the following increments above the concentrations of progesterone naturally present in untreated animals:

Cattle and sheep (1) 5 parts per billion for muscle. (2) 15 parts per billion for liver. (3) 30 parts per billion for kidney. (4) 30 parts per billion for fat.