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Find information on animal health topics, written for the veterinary professional.

Overview of Hormonal Control of Estrus

By Juan E. Romano, DVM, MS, PhD, DACT,

Hormones are commonly used to manipulate the estrous cycle. The major indications for hormonal control of estrus are to induce luteolysis, induce ovulation of a mature follicle, suppress estrus, induce cyclicity in anestrous animals, and superovulate cyclic animals. Effective treatments for these manipulations vary among species. A number of treatments currently lack regulatory approval; label instructions should be followed.