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Metabolic Patterns During The Early Life History Of Rainbow Trout Oncorhynchus Mykiss
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Book Synopsis Metabolic Patterns During the Early Life History of Rainbow Trout (oncorhynchus Mykiss). by : Kristen Michelle Vandekieft
Download or read book Metabolic Patterns During the Early Life History of Rainbow Trout (oncorhynchus Mykiss). written by Kristen Michelle Vandekieft and published by . This book was released on 2008 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Born to Run? written by Matthew R. Sloat and published by . This book was released on 2013 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steelhead and rainbow trout are common names for marine-migratory (anadromous) and freshwater-resident forms of Oncorhynchus mykiss, a partially migratory salmonid fish. Anadromous and resident forms are sympatric and can produce offspring with a life history different from their own (i.e., steelhead parents can produce rainbow trout offspring and vice versa). The expression of these alternative life histories is a plastic response to individual patterns of energy acquisition, assimilation, and allocation during juvenile life stages. Individual performance during early stream life is of particular interest because of potential carry-over effects on subsequent growth and developmental trajectories. In a series of experiments in laboratory streams, I determined the influence of individual variation in energy metabolism on behavior, growth, and life-history expression in O. mykiss. Individual variation in energy metabolism was a strong predictor of feeding territory acquisition by juvenile fish during the transition from dependence on maternal provisioning of egg yolk reserves to independent feeding. Feeding territory acquisition was positively associated with standard metabolic rate (SMR) under conditions of an abundant and predictable food supply. When the density of intraspecific competitors was manipulated, the association between SMR and territory acquisition was strongest at intermediate stocking densities, moderate at the highest stocking densities, and weakest at the lowest stocking densities. However, reducing the spatial predictability of food resources within streams reversed the influence of SMR on competitive outcomes. These experiments determined that variation in ecological conditions during early life stages imposes different selection regimes on juvenile O. mykiss and results in physiological divergence among cohorts. Subsequent rearing experiments determined that behavioral dominance influences rates of anadromy and freshwater maturation, most likely through the association between SMR and territory acquisition. In addition to the effects of behavioral dominance, I observed a significant influence of sex, rearing temperature, and individual growth trajectories on the expression of anadromy and freshwater maturation. Partially migratory populations of O. mykiss maintain an exceptionally diverse portfolio of life-history strategies. Results from this work lend insight into a suite of behavioral and physiological processes influencing individual life histories.
Book Synopsis Around the Poor Use of Dietary Carbohydrate Phenotype in Trout (Oncorhynchus Mykiss) by : Jingwei Liu
Download or read book Around the Poor Use of Dietary Carbohydrate Phenotype in Trout (Oncorhynchus Mykiss) written by Jingwei Liu and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The carnivorous rainbow trout (Oncorhynchus mykiss) is considered as a poor user of dietary carbohydrates. Recent studies showed that a high-carbohydrate/low protein diet inducing hepatic global DNA hypomethylation could be involved in the establishment/maintenance of the poor dietary carbohydrates utilisation phenotype in trout, but the detail mechanisms remain unclear. The present thesis aimed at investigating the epigenetic mechanisms underlying this poor dietary carbohydrate utilisation phenotype in trout, and exploring if the glucose metabolism and the epigenome in juveniles can be programmed through a hypoxic stimulus during early life. We first identified all the paralogous genes related to DNA methylation/demethylation pathways (dnmt, tet and tdg) in trout genome, clarified their molecular evolution histories and monitored their transcriptional expression patterns during gametogenesis and embryogenesis in trout. Besides, we investigate further the causes, processes and potential mechanisms about the hepatic global DNA hypomethylation in trout after feeding a high carbohydrate/low protein diet. Results for the first time demonstrated that a decrease in protein content and an increase in carbohydrate content in the diet can independently as well as interactively induce hepatic global hypomethylation in trout. This global loss of methylation is probably established through an active demethylation pathway. We also found that a strong hyperglycaemia induced by glucose injection induces global CmCGG hypomethylation in the liver of trout. The detailed mechanisms of these demethylation processes remain to be elucidated. Finally, through metabolic programming strategy, we confirmed for the first time that using a non-nutritional stimulus, hypoxia, during early life stage persistently modulates the transcription of glucose metabolism-related genes in juvenile trout without negative effects on growth performance. Moreover, acute and chronic hypoxia tended to induce opposite programming effects on glucose-transporter encoding genes in both liver and muscle of juvenile trout. Together, the present thesis brings forward our understandings about the roles of epigenetics in contributing to the low ability to use dietary carbohydrates in trout, and sheds light on the potential of using hypoxia as the stimulus in metabolic programming strategy to tailor the glucose metabolism, the epigenome and dietary carbohydrate utilisation in rainbow trout.
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 2013 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sea Trout written by Graeme Harris and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Brown trout displays widely divergent life history strategies involving, variously, usage of streams, rivers, lakes, estuaries and the sea. The sea trout is the full sea-going form, it is very common and competes with salmon for the position of the most sought after migratory salmonid in many countries. Its use of freshwater, estuaries and coastal waters gives it a unique position as a sentinel species of environmental quality across these habitats. Although a commercially and recreationally important fish species, the management and scientific knowledge about sea trout has often been overshadowed by a focus on the salmon. However the First International Symposium for the Biology, Management and Conservation of Sea Trout sought to address this when a group of world class experts convened to share their research and form the basis for this impressive volume, covering: Stocks and fisheries Genetics and life history Ecology and population dynamics Management of stocks and world fisheries Fisheries scientists and managers, fish biologists, aquatic biologists, ecologists, members of fish and wildlife agencies, government departments and libraries in universities and research establishments where fish and fisheries are studied and taught will find this book a fascinating exploration of the species and a valuable reference tool.
Book Synopsis Energy and Nitrogen balances in rainbow trout (Oncorhynchus mykiss) fed at largely varying feeding intensities by : Feyza Sanver
Download or read book Energy and Nitrogen balances in rainbow trout (Oncorhynchus mykiss) fed at largely varying feeding intensities written by Feyza Sanver and published by Cuvillier Verlag. This book was released on 2004 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Index Medicus written by and published by . This book was released on 2004 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Book Synopsis Sex Control in Aquaculture by : Hanping Wang
Download or read book Sex Control in Aquaculture written by Hanping Wang and published by John Wiley & Sons. This book was released on 2018-11-08 with total page 913 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Fish Physiology: Nitrogen Excretion by :
Download or read book Fish Physiology: Nitrogen Excretion written by and published by Elsevier. This book was released on 2001-09-07 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive collection of timely reviews of our current understanding of the fundamental principles of nitrogen metabolism and excretion in fish. Emphasis is placed on critical assessment of how new studies impact these topics, and the articles reflect the diversity of current research approaches.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Carbon Dioxide written by and published by Academic Press. This book was released on 2019-11-26 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Dioxide, Volume 37 in the Fish Physiology series highlights new advances in the field, with this new volume presenting interesting chapters on a variety of topics, including Historic, current-day and future CO2 environments and their dynamics in marine and freshwater ecosystems, CO2 sensing, Acid-base physiology and CO2 homeostasis: regulation and compensation, CO2 and calcification processes in fish, The physiology of behavioral impacts of high CO2, Effects of high CO2 on metabolic rates, aerobic scope and swimming performance, Internal spatial and temporal CO2 effects: feeding and alkaline tide, O2 in aquaculture: CO2 dynamics and fish health, and much more. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in the Fish Physiology series - Updated release includes the latest information on Carbon Dioxide
Download or read book Fish Locomotion written by Paolo Domenici and published by CRC Press. This book was released on 2010-01-01 with total page 549 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fish accomplish most of their basic behaviors by swimming. Swimming is fundamental in a vast majority of fish species for avoiding predation, feeding, finding food, mating, migrating and finding optimal physical environments. Fish exhibit a wide variety of swimming patterns and behaviors. This treatise looks at fish swimming from the behavioral and
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 1354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fish Physiology: Primitive Fishes by :
Download or read book Fish Physiology: Primitive Fishes written by and published by Elsevier. This book was released on 2011-09-21 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Primitive fishes are a relatively untapped resource in the scientific search for insights into the evolution of physiological systems in fishes and higher vertebrates. Volume 26 in the Fish Physiology series presents what is known about the physiology of these fish in comparison with the two fish groups that dominate today, the modern elasmobranchs and the teleosts. Chapters include reviews on what is known about cardiovascular, nervous and ventilatory systems, gas exchange, ion and nitrogenous waste regulation, muscles and locomotion, endocrine systems, and reproduction. Editors provide a thorough understanding of how these systems have evolved through piscine and vertebrate evolutionary history. Primitive Fishes includes ground-breaking information in the field, including highlighs of the most unusual characteristics amongst the various species, which might have allowed these fishes to persist virtually unchanged through evolutionary time. This volume is essential for all comparative physiologists, fish biologists, and paleontologists. - Provides an analysis of the evolutionary significance of physiological adaptations in "ancient fishes" - Offers insights on the evolution of higher vertebrates - The only single source that presents an in-depth discussion of topics related to the physiology of ancient fishes
Book Synopsis Journal of Experimental Biology by :
Download or read book Journal of Experimental Biology written by and published by . This book was released on 2006 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Encyclopedia of Reproduction written by and published by Academic Press. This book was released on 2018-06-29 with total page 3905 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Reproduction, Second Edition, Six Volume Set comprehensively reviews biology and abnormalities, also covering the most common diseases in humans, such as prostate and breast cancer, as well as normal developmental biology, including embryogenesis, gestation, birth and puberty. Each article provides a comprehensive overview of the selected topic to inform a broad spectrum of readers, from advanced undergraduate students, to research professionals. Chapters also explore the latest advances in cloning, stem cells, endocrinology, clinical reproductive medicine and genomics. As reproductive health is a fundamental component of an individual’s overall health status and a central determinant of quality of life, this book provides the most extensive and authoritative reference within the field. Provides a one-stop shop for information on reproduction that is not available elsewhere Includes extensive coverage of the full range of topics, from basic, to clinical considerations, including evolutionary advances in molecular, cellular, developmental and clinical sciences Includes multimedia and interactive teaching tools, such as downloadable PowerPoint slides, video content and interactive elements, such as the Virtual Microscope
Book Synopsis Quantitative Fish Dynamics by : Terrance J. Quinn
Download or read book Quantitative Fish Dynamics written by Terrance J. Quinn and published by Oxford University Press, USA. This book was released on 1999 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fields of fish population dynamics and stock assessment have seen major advances in the 1980s and 1990s, creating the need for a new synthesis. This text attempts that synthesis by presenting a contemporary approach for quantitative fisheries science that incorporates modern statistical and mathematical techniques. It emphasizes the link between biology and theory by explaining the assumptions inherent in the quantitative methods and models. The book covers key topics that are often overlooked in other texts, such as optimal harvesting, migratory stocks, and complex age and size-structured models. Quantitative Fish Dynamics is an ideal textbook for graduate and undergraduate courses in fish population dynamics and stock assessment. It is an indispensable reference work for fisheries scientists and others interested in conservation biology, fish and wildlife management, population ecology, and statistical applications.
