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Defining basic reproductive physiolo...

Robeck, Todd R.

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Defining basic reproductive physiology, including reproductive anatomy, reproductive endocrinology and estrus induction of captive delphinids.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Defining basic reproductive physiology, including reproductive anatomy, reproductive endocrinology and estrus induction of captive delphinids./
Author:	Robeck, Todd R.
Description:	221 p.
Notes:	Source: Dissertation Abstracts International, Volume: 57-08, Section: B, page: 4923.
Contained By:	Dissertation Abstracts International57-08B.
Subject:	Biology, Anatomy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9701707
ISBN:	9780591080100

Defining basic reproductive physiology, including reproductive anatomy, reproductive endocrinology and estrus induction of captive delphinids.
Robeck, Todd R.

Defining basic reproductive physiology, including reproductive anatomy, reproductive endocrinology and estrus induction of captive delphinids. - 221 p.

Source: Dissertation Abstracts International, Volume: 57-08, Section: B, page: 4923.

Thesis (Ph.D.)--Texas A&M University, 1996.

Development of artificial insemination (AI) would improve the ability of marine mammal managers to regulate the captive gene pool. Before AI can be developed, an improved understanding of anatomy and reproductive physiology of these animals is necessary.

ISBN: 9780591080100Subjects--Topical Terms:

1021727
Biology, Anatomy.

Defining basic reproductive physiology, including reproductive anatomy, reproductive endocrinology and estrus induction of captive delphinids.
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020 $a 9780591080100
035 $a (UMI)AAI9701707
035 $a AAI9701707
040 $a UMI $c UMI
100 1 $a Robeck, Todd R. $3 1923211
245 1 0 $a Defining basic reproductive physiology, including reproductive anatomy, reproductive endocrinology and estrus induction of captive delphinids.
300 $a 221 p.
500 $a Source: Dissertation Abstracts International, Volume: 57-08, Section: B, page: 4923.
500 $a Chairman: Duane Kraemer.
502 $a Thesis (Ph.D.)--Texas A&M University, 1996.
520 $a Development of artificial insemination (AI) would improve the ability of marine mammal managers to regulate the captive gene pool. Before AI can be developed, an improved understanding of anatomy and reproductive physiology of these animals is necessary.
520 $a The objectives of this dissertation research were to: (1) describe female reproductive tract gross and ultrasonographic anatomy; (2) develop uterine and cervical catheterization techniques; (3) Develop and/or validate RIA for urinary luteinizing hormone (LH), follicle stimulating hormone (FSH), Pregnanediol-3-glucuronide (PdG) and estrone conjugates (EC); (4) determine seasonality and estrous cycle length; and (5) evaluate current methods of ovulation induction.
520 $a The dolphin reproductive tract was described by gross and sonographic analysis. Ultrasonographically bottlenose dolphin ovaries were found 6.3 to 7.8 cm caudal to the right and left kidney, respectively and were identifiable only when active. The bottlenose dolphin uterus exhibits ultrasonographically detectable changes from edematous to hypertrophied homogeneous to homogeneous, when exposed to estrogens, progesterone or during anestrus, respectively.
520 $a Using PdG immunoreactivity and EC, the follicular and luteal phase were found to range from 6.5 to 16.7 days and 9.7 to 28 days, respectively. The mean estrous cycle length was 41 days.
520 $a It was determined that LH can be detected in killer whale urine. With this ability it was determined that Peak LH levels occur a mean of 7.8 days prior to peak EC concentrations, and that peak EC concentration correlates with the greatest density of copulations and vaginal mucus secretions.
520 $a Killer whales exhibit variable periods of anestrus, with lactation anestrus being the only identifiable cause of anestrus periods. However, anestrus periods did occur in non-lactating females. Periods of pseudopregnancy, retained corpora lutea and one instance of insufficient progesterone production during pregnancy were identified.
520 $a Finally, it was demonstrated that exogenous doses of gonadotropins can cause multiple follicular recruitment, followed by the formation of luteal cysts. Thus, without further research, these hormones should not be used for ovulation induction protocols.
590 $a School code: 0803.
650 4 $a Biology, Anatomy. $3 1021727
650 4 $a Biology, Animal Physiology. $3 1017835
650 4 $a Biology, Veterinary Science. $3 1021733
690 $a 0287
690 $a 0433
690 $a 0778
710 2 0 $a Texas A&M University. $3 718977
773 0 $t Dissertation Abstracts International $g 57-08B.
790 1 0 $a Kraemer, Duane, $e advisor
790 $a 0803
791 $a Ph.D.
792 $a 1996
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9701707