INDUCTION OF MATING IN THE DOG WITH PREGNANCY URINE EXTRACT

Abstract

In expts. with 15 mature [female] dogs, pregnancy urine was found capable of inducing some external manifestations of estrus, as vulval swelling and mating. However, vaginal smears were not typically estrus, endometrium developed only to early estrous state, pseudopregnancy did not follow mating, ovulation did not occur.