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Partner preference and sexual performance in male goats, Capra hircus
Descriptive
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Text
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Title
Partner preference and sexual performance in male goats, Capra hircus
SubTitle
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ETD_2147
Identifier
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051829
Language
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eng
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theses
Subject
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Topic
Endocrinology and Animal Biosciences
Subject
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(authority = ETD-LCSH)
Topic
Goats--Breeding
Abstract
Sexual performance is a combination of the physical ability to mate and sexual motivation. An indirect measure of sexual motivation is partner preference, because sexual motivation can be stimulated by the presence of suitable mates. We hypothesized that the tail wagging behavior of female goats in estrus contributes to their incentive value, thus affecting partner preference and sexual performance in males. A previous study in our laboratory showed that flutamide, an androgen receptor antagonist, enhanced tail wagging in estrous females, as it did in the current studies. Partner preference testing was used in which sexually experienced males could choose between two females. Females were non-estrous (NE), estrous (E) or flutamide-treated estrous (EF). Males showed no preference for an E versus a NE female and preferred an EF female more than an E or a NE female. Males also visited the EF female the most. Tail wagging initiated male approach behaviors and maintained the attention of the male, therefore, tail wagging behavior is both attractive and proceptive. Furthermore, we hypothesized that exposure to females expressing high rates of tail wagging would arouse males, increasing sexual performance. Sexually experienced males observed different stimuli before a sexual performance test: an empty pen, or groups of three females that were all E, NE, EF, or non-estrous and treated with flutamide (NEF). Viewing EF females increased the number of ejaculations attained by males and decreased the latencies to first and second ejaculation, as well as the inter-ejaculatory interval. Viewing estrous females (E and EF), as compared to non-estrous females (NE and NEF), decreased the latency to first mount. Another study revealed that partner preference is dependent on the male’s hormonal state and not his sexual experience. Males were tested for partner preference with a choice of groups of E or NE females. Sexually naive castrates showed no preference. Sexually naive or experienced intact males and sexually naive TP-treated castrates preferred E females. Partner preference, however, is not a reliable indicator of sexual performance in male goats, as there were no significant correlations between sexual performance and partner preference for sexually naive or experienced males.
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electronic resource
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xi, 105 p. : ill.
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Ph.D.
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Includes bibliographical references (p. 94-104)
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by Andrea M. Haulenbeek
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Haulenbeek
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Andrea M.
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1982-
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author
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Andrea M. Haulenbeek
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Katz
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Larry
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chair
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Advisory Committee
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Larry S. Katz
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Sukhdeo
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Michael
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internal member
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Advisory Committee
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Michael V.K. Sukhdeo
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Cohick
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Wendie
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Wendie S. Cohick
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Judith
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Advisory Committee
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Judith M. Stern
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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school
OriginInfo
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2009
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2009-10
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xx
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Rutgers University Electronic Theses and Dissertations
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ETD
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Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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NjNbRU
Identifier
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doi:10.7282/T3513ZCN
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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The author owns the copyright to this work
Copyright
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Copyright protected
Notice
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Availability
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Open
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Permission or license
Note
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Haulenbeek
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Andrea
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Andrea Haulenbeek
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Rutgers University. Graduate School - New Brunswick
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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ETD
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573440
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