Effects Of Egg Incubation Condition On The Post Hatching Growth And Performance Of The Snapping Turtle Chelydra Serpentina

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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.

Effect Of Egg Incubation Condition On The Post Hatching Growth And Performance Of The Snapping Turtle Chelydra Serpentina

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Author : Kathleen M. Ryan
language : en
Publisher:
Release Date : 1990

Effect Of Egg Incubation Condition On The Post Hatching Growth And Performance Of The Snapping Turtle Chelydra Serpentina written by Kathleen M. Ryan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Chelydra serpentina 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.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1993-08

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-08 with Power resources categories.

Aquatic Sciences And Fisheries Abstracts

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Author :
language : en
Publisher:
Release Date : 1995

Aquatic Sciences And Fisheries Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Fisheries categories.

Chelonian Conservation And Biology

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Author :
language : en
Publisher:
Release Date : 2006

Chelonian Conservation And Biology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Turtles categories.

Canadian Journal Of Zoology

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Author :
language : en
Publisher:
Release Date : 2005-04

Canadian Journal Of Zoology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-04 with Zoology categories.

Toxicology Of Reptiles

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Author : Susan C. M. Gardner
language : en
Publisher: CRC Press
Release Date : 2016-04-19

Toxicology Of Reptiles written by Susan C. M. Gardner and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.

Toxicology of Reptiles cohesively summarizes much of the cutting-edge research taking place in fields such as reptilian endocrinology, neurophysiology, immunology, and ecology. It also addresses conservation needs along with the complications often associated with population studies. The text is easy to synthesize and apply in the evaluation

Physiological Zoology

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Author : Charles Manning Child
language : en
Publisher:
Release Date : 1993

Physiological Zoology written by Charles Manning Child and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Physiology categories.

The Journal Of Experimental Biology

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Author :
language : en
Publisher:
Release Date : 1998

The Journal Of Experimental Biology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Biology categories.