Endocrine Sex Differentiation In Fish


Endocrine Sex Differentiation In Fish
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Endocrine Sex Differentiation In Fish


Endocrine Sex Differentiation In Fish
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Author : T. J. Pandian
language : en
Publisher: CRC Press
Release Date : 2013-05-07

Endocrine Sex Differentiation In Fish written by T. J. Pandian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-07 with Nature categories.


Of all vertebrates, fish exhibit unparalleled diversity of sexual plasticity and flexibility, ranging from gonochorism to unisexualism, and exceptional patterns of functional hermaphroditism. Fish farming and monosex aquaculture have led to reproductive dysfunction with males producing less milt, and females failing to ovulate and spawn. This book brings together relevant information on the role of the endocrine system on sexual differentiation in fish, and bridges the gap between molecular endocrinologists and fishery scientists.



Environmental Sex Differentiation In Fish


Environmental Sex Differentiation In Fish
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Author : T. J. Pandian
language : en
Publisher: CRC Press
Release Date : 2014-12-22

Environmental Sex Differentiation In Fish written by T. J. Pandian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-22 with Nature categories.


Fish constitute an important natural renewable resource and any reduction in their ability to propagate as a result of human interference may have significant socioeconomic consequences. The negative effect of human activity on sex differentiation and reproductive output in fish is so diverse that it has been difficult to encompass it in a single book. This book serves as the first attempt to do so. Unlike in mammals, the expression of a host of sex differentiation genes in fish is mostly controlled by environmental factors. Not surprisingly, environmental sex differentiation is ubiquitous in fish. Overexploitation by capture fisheries does not disrupt sex differentiation but crowding in aqua-farms does, by reducing accessibility to food supply. Some of the man-made chemicals routinely used worldwide mimic endogenous hormones. For example endosulfan, which is widely used in developing countries, disrupts endogenous hormones and feminizes fish. For the first time, this book views endocrine disruption from the point of labile early life and non-labile adult stages. It shows that sex can irreversibly be reversed, when exposed to endocrine disrupting chemicals (EDCs) during early labile stages but reversibly impairs reproductive output on exposure to EDCs during non-labile adult stage. A consequence of climate change, elevated temperature, and declining oxygen and pH levels is that it masculinises genetic female fish. Fish display a remarkable ability to postpone the labile period. Besides postponement, some primary and tertiary gonochores have two distinct labile periods amenable to temperature and hormonal manipulations. Hermaphrodites have retained the period until the end of the adult stage and are capable of sex change/reversal more than once in both male and female directions.



Sex Control In Aquaculture


Sex Control In Aquaculture
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Author : Hanping Wang
language : en
Publisher: John Wiley & Sons
Release Date : 2018-11-08

Sex Control In Aquaculture written by Hanping Wang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-08 with Technology & Engineering categories.


Awarded Bookauthority's "Best Aquaculture Books of all Time" A comprehensive resource that covers all the aspects of sex control in aquaculture written by internationally-acclaimed scientists Comprehensive in scope, Sex Control in Aquaculture first explains the concepts and rationale for sex control in aquaculture, which serves different purposes. The most important are: to produce monosex stocks to rear only the fastest-growing sex in some species, to prevent precocious or uncontrolled reproduction in other species and to aid in broodstock management. The application of sex ratio manipulation for population control and invasive species management is also included. Next, this book provides detailed and updated information on the underlying genetic, epigenetic, endocrine and environmental mechanisms responsible for the establishment of the sexes, and explains chromosome set manipulation techniques, hybridization and the latest gene knockout approaches. Furthermore, the book offers detailed protocols and key summarizing information on how sex control is practiced worldwide in 35 major aquaculture species or groups, including fish and crustaceans, and puts the focus on its application in the aquaculture industry. With contributions from an international panel of leading scientists, Sex Control in Aquaculture will appeal to a large audience: aquaculture/fisheries professionals and students, scientists or biologists working with basic aspects of fish/shrimp biology, growth and reproductive endocrinology, genetics, molecular biology, evolutionary biology, and R&D managers and administrators. This text explores sex control technologies and monosex production of commercially-farmed fish and crustacean species that are highly in demand for aquaculture, to improve feed utilization efficiency, reduce energy consumption for reproduction and eliminate a series of problems caused by mixed sex rearing. Thus, this book: Contains contributions from an international panel of leading scientists and professionals in the field Provides comprehensive coverage of both established and new technologies to control sex ratios that are becoming more necessary to increase productivity in aquaculture Includes detailed coverage of the most effective sex control techniques used in the world's most important commercially-farmed species Sex Control in Aquaculture is the comprehensive resource for understanding the biological rationale, scientific principles and real-world practices in this exciting and expanding field.



Endocrine Disruption In Fish


Endocrine Disruption In Fish
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Author : Joakim Larsson
language : en
Publisher:
Release Date : 2000

Endocrine Disruption In Fish written by Joakim Larsson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Endocrine toxicology categories.




Recent Updates In Molecular Endocrinology And Reproductive Physiology Of Fish


Recent Updates In Molecular Endocrinology And Reproductive Physiology Of Fish
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Author : Jitendra Kumar Sundaray
language : en
Publisher: Springer Nature
Release Date : 2021-01-27

Recent Updates In Molecular Endocrinology And Reproductive Physiology Of Fish written by Jitendra Kumar Sundaray and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-27 with Science categories.


This book is dedicated to present different aspects of reproductive physiology and molecular endocrinology of commercially important as well as potential aquaculture fish species. The existing aquaculture generation is looking for species diversification for efficient utilization of available diverse water resources. The knowledge of reproductive physiology of fish will help in development of breeding strategy for use in commercial aquaculture. Reproductive system is highly coordinated and governed by means of complex network of nervous, endocrine system and environmental factor as well. This book emphasize on different key aspects of reproductive endocrine system such as basic gonadal biology in the events of climate vulnerability, sex determination, sex reversal, stimulatory hormones, inhibitory hormones and receptors, environmental and chemical factor guiding reproduction, puberty, neuroendocrine regulation of reproduction etc. This book further describes how reproduction is not just indispensable for the existence or survival of an individual, but it is important for the survival of species. Chapters also address the concerns of anthropogenic activities on fish and the aquatic environment lead main trouble on physiological and reproductive processes of aquatic animals. This book offers an attractive compilation of highly relevant aspects of current and future of aquaculture, especially in view of the growing awareness of aquaculture, to food scientists working on commercial fish, animal biologists, fish geneticists etc. This book is very timely, and relevant to the sustainable development goals. The contents would be relevant to policy makers, working towards blue revolution and blue economy.



Reproductive And Developmental Strategies


Reproductive And Developmental Strategies
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Author : Kazuya Kobayashi
language : en
Publisher: Springer
Release Date : 2018-06-01

Reproductive And Developmental Strategies written by Kazuya Kobayashi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-01 with Science categories.


This book provides new insights into the universality of biological systems in animal reproduction and development by a comparative study of a variety of mechanisms in animals ranging from basal invertebrates to vertebrates, including mammals. Animals accomplish genetic diversity through meiosis and fertilization, and during embryogenesis animals must produce specialized cell types, including germ cells, in accordance with their individual body plan. This series of phenomena is essential to the continuity of life in the animal kingdom, and animals show various reproductive and developmental strategies. This volume, comprising four parts, reviews animal kingdom diversity, including reproductive strategies and germ cell differentiation mechanisms (Part 1), sex determination and differentiation (Part2), the mechanisms of fertilization (Part 3), and body axis formation (Part 4). Readers will find descriptions of the reproduction or development of 180 species, 13 phyla, 35 classes, 74 orders, 117 families, and 151 genera in this book. Of particular interest is the diversity of molecules and mechanisms used to achieve the same biological purpose in different animals. Undergraduates, graduate students, and professional scientists who want a deeper understanding of animal reproductive and developmental mechanisms will find this book to be of great value.



Histological Analysis Of Endocrine Disruptive Effects In Small Laboratory Fish


Histological Analysis Of Endocrine Disruptive Effects In Small Laboratory Fish
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Author : Daniel Dietrich
language : en
Publisher: John Wiley & Sons
Release Date : 2009-07-31

Histological Analysis Of Endocrine Disruptive Effects In Small Laboratory Fish written by Daniel Dietrich and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-07-31 with Technology & Engineering categories.


Timely title assembling the combined knowledge of some of the leading authorities in the field of small fish reproduction - an important topic for risk assessment and registration of chemical, agricultural, and pharmaceutical compounds Provides guidance on the microscopic structure of living tissue and evaluation of the reproductive glands of small laboratory fish Includes state-of-the-art science along with sufficient anatomical and physiological background for understanding and interpreting test results Helps standardize the interpretation of results from aquatic bioassays and field observations, which will also clarify inconsistencies in the current scientific literature Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.



Suitability Of Zebrafish As Test Organism For Detection Of Endocrine Disrupting Chemicals


Suitability Of Zebrafish As Test Organism For Detection Of Endocrine Disrupting Chemicals
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Author : Gitte I. Petersen
language : en
Publisher: Nordic Council of Ministers
Release Date : 2001

Suitability Of Zebrafish As Test Organism For Detection Of Endocrine Disrupting Chemicals written by Gitte I. Petersen and has been published by Nordic Council of Ministers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Endocrine disrupting chemicals categories.




Endocrine Sex Differentiation In Fish


Endocrine Sex Differentiation In Fish
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Author : T. J. Pandian
language : en
Publisher: CRC Press
Release Date : 2013-05-07

Endocrine Sex Differentiation In Fish written by T. J. Pandian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-07 with Nature categories.


Of all vertebrates, fish exhibit unparalleled diversity of sexual plasticity and flexibility, ranging from gonochorism to unisexualism, and exceptional patterns of functional hermaphroditism. Fish farming and monosex aquaculture have led to reproductive dysfunction with males producing less milt, and females failing to ovulate and spawn. This book



Genetic Sex Differentiation In Fish


Genetic Sex Differentiation In Fish
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Author : T. J. Pandian
language : en
Publisher: CRC Press
Release Date : 2012-06-05

Genetic Sex Differentiation In Fish written by T. J. Pandian and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-05 with Nature categories.


A comprehensive study of sex differentiation gonochoric and hermaphroditic fishes, this book examines sex chromosomes and sex determining genes, emphasizing the need to search for more than one sex-determining gene residing on different chromosomes. It traces the origin of hermaphrodites from secondary gonochores and explains the conservation of ho