Sex pheromone in the dog

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Science  09 Feb 1979:
Vol. 203, Issue 4380, pp. 559-561
DOI: 10.1126/science.569903


Methyl p-hydroxybenzoate has been identified in the vaginal secretions of female dogs in estrus. When small amounts of this compound were applied to the vulvas of anestrous or spayed females, males placed with these females became sexually aroused and attempted to mount them.