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Understanding proximate determinants of reproductive events is an important issue for many biologists. In the present paper, we show that follicular recruitment and fertilization are dependent on male stimuli in long-term captive female painted dragon lizards, Ctenophorus pictus. Hibernated females kept separated from males did not initiate reproduction, despite visual contact with displaying males and repeated copulation attempts. Follicular stimulating hormone stimulated ovarian growth and female receptivity, but did not result in successful fertilization of eggs, despite repeated copulations. When housed continuously together with males, however, follicle recruitment and fertilization were achieved. Thus, not only ovarian growth, but also fertilization, is dependent on male stimuli.

Original publication

DOI

10.1002/jez.a.232

Type

Journal article

Journal

J Exp Zool A Comp Exp Biol

Publication Date

01/12/2005

Volume

303

Pages

1115 - 1119

Keywords

Animals, Female, Fertilization, Follicle Stimulating Hormone, Hibernation, Likelihood Functions, Lizards, Male, Sex Factors, Sexual Behavior, Animal, Social Isolation