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Induction and synchronization of estrus in dogs.
|Title||Induction and synchronization of estrus in dogs.|
|Publication Type||Journal Article|
|Year of Publication||2005|
|Date Published||2005 Aug|
|Keywords||Animals, Diethylstilbestrol, Dogs, Dopamine Agonists, Estrus Synchronization, Female, Gonadotropin-Releasing Hormone, Gonadotropins, Ovulation Induction, Prolactin|
Indications for estrus induction in the bitch include missed breeding opportunities or conception failure, the treatment of primary or secondary anestrus and synchronization of ovulation for embryo transfer programs. Reported methods for canine estrus induction include the use of synthetic estrogens (diethylstilbesterol), dopamine agonists (bromocryptine and cabergoline), GnRH agonists (lutrelin, buserelin, fertirelin, deslorelin, and leuprolide) and exogenous gonadotropins (luteinizing hormone, follicle stimulating hormone, human chorionic gonadotropin, pregnant mare serum gonadotropin, and human menopausal gonadotropin). These methods vary widely in efficacy of inducing estrus, as well as in the fertility of the induced estrus. The applicability of some of these methods for clinical practice is questionable. This review will summarize published reports on estrus induction and synchronization in bitches and summarize preliminary results using a long-acting injectable preparation of deslorelin.