Hormonal influences on sexual partner preference in rams

Archives of Sexual Behavior,  February, 2002  by Charles E. Roselli

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Charles E. Roselli (1,3)

John A. Resko (1)

Fred Stormshak (2)

Domestic rams display distinct variations in sexual attraction that make them a valuable model species to study the hormonal and developmental contributions to sexual partner preference. The term sexual partner preference is used to describe an animal's mate choice or sexual orientation (Adkins-Regan, 1988). Sexual partner preference of an animal can be experimentally tested using a two-choice test in which the participant can choose between a male or female stimulus (Perkins & Fitzgerald, 1992). Choice is indicated by the proportion of a test participant's sexual behaviors directed at ...