The Reproductive Cycle Of The Common Snapping Turtle Chelydra Serpentina
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The Reproductive Cycle Of The Common Snapping Turtle Chelydra Serpentina
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Author : James Barron White
language : en
Publisher:
Release Date : 1972
The Reproductive Cycle Of The Common Snapping Turtle Chelydra Serpentina written by James Barron White and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Turtles categories.
Reproductive Cycle Of The Male Snapping Turtle Chelydra Serpentina Serpentina Linne
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Author : Harold Edward Benny
language : en
Publisher:
Release Date : 1971
Reproductive Cycle Of The Male Snapping Turtle Chelydra Serpentina Serpentina Linne written by Harold Edward Benny and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Turtles categories.
Biology Of The Snapping Turtle Chelydra Serpentina
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Author : Anthony C. Steyermark
language : en
Publisher:
Release Date : 2008-03-31
Biology Of The Snapping Turtle Chelydra Serpentina written by Anthony C. Steyermark and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-03-31 with Nature categories.
This volume synthesizes all that is known about the common snapping turtle to provide an up-to-date and comprehensive resource on the species' evolution, physiology, behavior, and life history. Anthony C. Steyermark, Michael S. Finkler, Ronald J. Brooks, and a team of experts detail the systematics, energetics, growth patterns, sex determination, and population genetics of snapping turtles and devote special attention to the fossil record of the snapping turtle family Chelydridae.
Reproduction And Movement Patterns Of The Common Snapping Turtle Chelydra Serpentina Inhabiting A Hypothermic Reservoir In Southwest Missouri
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Author : Timothy B. Wilson
language : en
Publisher:
Release Date : 1999
Reproduction And Movement Patterns Of The Common Snapping Turtle Chelydra Serpentina Inhabiting A Hypothermic Reservoir In Southwest Missouri written by Timothy B. Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Snapping turtles categories.
Seasonal Changes In The Glandular Tissues Of The Female Reproductive Tract Of The Common Snapping Turtle Chelydra Serpentina
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Author : Paulette M. Heil
language : en
Publisher:
Release Date : 1997
Seasonal Changes In The Glandular Tissues Of The Female Reproductive Tract Of The Common Snapping Turtle Chelydra Serpentina written by Paulette M. Heil and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Chelydra serpentina categories.
The Reproductive Biology Of The Chelonia
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Author : Gerald Kuchling
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Reproductive Biology Of The Chelonia written by Gerald Kuchling and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This book presents a comparative view of chelonian reproduction and discusses ecophysiological implications for their captive breeding. Chelonians, with their protective rigid armour, are a phylogenetically antique group of reptiles which radiated to occupy niches from the open waters of the oceans, to rivers, creeks, swamps, forests, savannahs, and deserts. A few North American turtle species have been well studied, but until recently reproductive data on other chelonian species have been scarce. The way in which chelonians adjust their conservative mode of reproduction to the various requirements of their habitats and life styles is the theme of this book; the physiology of reproduction and its interplay with ecological conditions are its central subjects.
Egg Water Exchange And Temperature Dependent Sex Determination In The Common Snapping Turtle Chelydra Serpentina
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Author : David Bryan Lott
language : en
Publisher:
Release Date : 1998
Egg Water Exchange And Temperature Dependent Sex Determination In The Common Snapping Turtle Chelydra Serpentina written by David Bryan Lott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
The influence of varying egg geographic origin on resulting offspring sex ratios was also analyzed. Both field and laboratory-incubated eggs required approximately 150 degree-hours to produce at least 50% female offspring. Those eggs originating from more southern locations required fewer degree hours to produce a given percentage of female turtles. In other words, more female offspring from lower latitudes were produced within a particular temperature treatment than resulted from more northern latitudes.
Effects Of Egg Incubation Condition On The Post Hatching Growth And Performance Of The Snapping Turtle Chelydra Serpentina
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Author :
language : en
Publisher:
Release Date : 1990
Effects Of Egg Incubation Condition On The Post Hatching Growth And Performance Of The Snapping Turtle Chelydra Serpentina written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
The effect of incubation temperature on the post-hatching growth and performance capacities of the common snapping turtle, Chelydra serpentina was investigated in the laboratory. Turtle eggs were collected from four sites in New York State and randomly assigned to four incubation temperature treatments to produce males (constant 26°C and downshifted 30-26-30°C) and females (constant 30°C and upshifted 26-30-26°C) under constant and altered temperature regimes. The incubation conditions resulted in 92% males from the constant 26°C group and 93% males from the downshifted group. 100% females resulted from both the constant 30°C group and the upshifted group. Turtles hatching from eggs incubated constantly at 26°C were significantly larger than hatchlings from eggs incubated at a constant 30°C or downshifted. Hatchlings were raised in individual aquaria at 25°C and fed earthworms and fish. After a 9-month growth period, turtles which had been incubated at a constant 30°C gained significantly more mass than did turtles from eggs which had been downshifted or upshifted. There was no extended effect of incubation condition on Post-hatching performance and learning ability as measured by righting and feeding responses. Thus, the mass gain differences seen in this study suggest that physiological differences do result as the consequence of incubation condition. However, these physiological differences are not reflected in normal locomotive or feeding behavior.
Hormones And Reproduction Of Vertebrates Volume 3
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Author : David Norris
language : en
Publisher: Academic Press
Release Date : 2011-05-04
Hormones And Reproduction Of Vertebrates Volume 3 written by David Norris and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-04 with Technology & Engineering categories.
This series of volumes represents a comprehensive and integrated treatment of reproduction in vertebrates from fishes of all sorts through mammals. It is designed to provide a readable, coordinated description of reproductive basics in each group of vertebrates as well as an introduction to the latest trends in reproductive research and our understanding of reproductive events. Whereas each chapter and each volume is intended to stand alone as a review of that topic or vertebrate group, respectively, the volumes are prepared so as to provide a thorough topical treatment across the vertebrates. Terminology has been standardized across the volumes to reduce confusion where multiple names exist in the literature, and a comprehensive glossary of these terms and their alternative names is provided. A complete, essential and up to date reference for research scientists working on vertebrate hormones and reproduction - and on animlals as models in human reproductive research Covers the endocrinology, neuroendocrinology, physiology, behaviour and anatomy of vertebrate reproduction Structured coverage of the major themes for all five vertebrate groups allows a consistent treatment for all Special chapters elaborate on features specific to individual vertebrate groups and to comparative aspects, similarities and differences between them
Hormones And Reproduction Of Vertebrates
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Author : David O. Norris
language : en
Publisher: Academic Press
Release Date : 2010-11-25
Hormones And Reproduction Of Vertebrates written by David O. Norris and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-25 with Technology & Engineering categories.
This series of volumes represents a comprehensive and integrated treatment of reproduction in vertebrates from fishes of all sorts through mammals. It is designed to provide a readable, coordinated description of reproductive basics in each group of vertebrates as well as an introduction to the latest trends in reproductive research and our understanding of reproductive events. Whereas each chapter and each volume is intended to stand alone as a review of that topic or vertebrate group, respectively, the volumes are prepared so as to provide a thorough topical treatment across the vertebrates. Terminology has been standardized across the volumes to reduce confusion where multiple names exist in the literature, and a comprehensive glossary of these terms and their alternative names is provided. A complete, essential and up to date reference for research scientists working on vertebrate hormones and reproduction - and on animlals as models in human reproductive research Covers the endocrinology, neuroendocrinology, physiology, behaviour and anatomy of vertebrate reproduction Structured coverage of the major themes for all five vertebrate groups allows a consistent treatment for all Special chapters elaborate on features specific to individual vertebrate groups and to comparative aspects, similarities and differences between them