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Effects Of Accumulated Excretory Products On Hatchery Reared Salmonids
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Book Synopsis Effects of Accumulated Excretory Products on Hatchery-reared Salmonids by : Roger E. Burrows
Download or read book Effects of Accumulated Excretory Products on Hatchery-reared Salmonids written by Roger E. Burrows and published by . This book was released on 1964 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: In experiments at the Bureau's Salmon-Cultural Laboratory, to determine the excretory products of significance in rearing ponds and the possible effect of these products on fingerling chinook salmon (Oncorhynchus tshawytscha), the results demonstrated that ammonia and urea are the principal products. The relative amounts of these products vary with the concentration of fish and with their metabolic activity. Ammonia assumes dominance in an unfavorable environment. Water temperature, pH, and pond type affect the toxicity of ammonia solutions. Continuous exposure to levels of ammonia normally encountered in rearing ponds produced extensive hyperplasia of the gill epithelium in controlled experiments.
Book Synopsis Effects of Accumulated Excretory Products on Hatchery-Reared Salmonids by : Roger E. Burrows
Download or read book Effects of Accumulated Excretory Products on Hatchery-Reared Salmonids written by Roger E. Burrows and published by . This book was released on 1964 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: In experiments at the Bureau's Salmon-Cultural Laboratory, to determine the excretory products of significance in rearing ponds and the possible effect of these products on fingerling chinook salmon (Oncorhynchus tshawytscha), the results demonstrated that ammonia and urea are the principal products. The relative amounts of these products vary with the concentration of fish and with their metabolic activity. Ammonia assumes dominance in an unfavorable environment. Water temperature, pH, and pond type affect the toxicity of ammonia solutions. Continuous exposure to levels of ammonia normally encountered in rearing ponds produced extensive hyperplasia of the gill epithelium in controlled experiments.
Book Synopsis Effects of Accumulated Excretory Products on Hatchery-reared Salmonids [with List of Literature Cited by :
Download or read book Effects of Accumulated Excretory Products on Hatchery-reared Salmonids [with List of Literature Cited written by and published by . This book was released on 1964 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Report written by and published by . This book was released on 1961 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Report by : U.S. Fish and Wildlife Service
Download or read book Research Report written by U.S. Fish and Wildlife Service and published by . This book was released on 1970 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Report - Bureau of Sport Fisheries and Wildlife by : United States. Bureau of Sport Fisheries and Wildlife
Download or read book Research Report - Bureau of Sport Fisheries and Wildlife written by United States. Bureau of Sport Fisheries and Wildlife and published by . This book was released on 1941 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Progressive Fish Culturist by : U.S. Fish and Wildlife Service
Download or read book The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and published by . This book was released on 1985 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Research Series written by and published by . This book was released on 1973 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fishery Bulletin written by and published by . This book was released on 1982 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Target Organ Toxicity in Marine and Freshwater Teleosts by : Daniel Schlenk
Download or read book Target Organ Toxicity in Marine and Freshwater Teleosts written by Daniel Schlenk and published by CRC Press. This book was released on 2017-03-27 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addressing the numerous gaps in current information, Target Organ Toxicology in Marine and Freshwater Teleosts is an essential resource for researchers and professionals in aquatic toxicology and environmental risk assessment. All the chapters are written by researchers who are internationally recognised for their work in mechanistic aspects of aquatic toxicology. Each chapter focuses on a specific target organ or physiological system and describes how various agents disrupt the normal physiological system and processes. This volume is devoted to specific organs with coverage of the gill, kidney, skin, liver and gut. The companion volume, Systems, provides coverage of toxic effects in the central nervous, immune, neurobehavioural and reproductive systems as well as describing general mechanisms of toxicity.
Author :National Research Council (U.S.). Committee on Water Quality Criteria Publisher : ISBN 13 : Total Pages :620 pages Book Rating :4.:/5 (319 download)
Book Synopsis Water Quality Criteria, 1972 by : National Research Council (U.S.). Committee on Water Quality Criteria
Download or read book Water Quality Criteria, 1972 written by National Research Council (U.S.). Committee on Water Quality Criteria and published by . This book was released on 1973 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impacts of Construction Activities in Wetlands of the United States by : Rezneat M. Darnell
Download or read book Impacts of Construction Activities in Wetlands of the United States written by Rezneat M. Darnell and published by . This book was released on 1976 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Argonne National Laboratory. Energy and Mineral Resources Programs Publisher : ISBN 13 : Total Pages :262 pages Book Rating :4.:/5 (31 download)
Book Synopsis A Bibliography of Selected References on the Effects of Coal Mine Pollutants on Aquatic Ecosystems by : Argonne National Laboratory. Energy and Mineral Resources Programs
Download or read book A Bibliography of Selected References on the Effects of Coal Mine Pollutants on Aquatic Ecosystems written by Argonne National Laboratory. Energy and Mineral Resources Programs and published by . This book was released on 1979 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Circular written by and published by . This book was released on 1965 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bureau of Commercial Fisheries Fishery-Oceanography Center, La Jolla, California by :
Download or read book Bureau of Commercial Fisheries Fishery-Oceanography Center, La Jolla, California written by and published by . This book was released on 1968 with total page 874 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress in Sport Fishery Research by :
Download or read book Progress in Sport Fishery Research written by and published by . This book was released on 1965 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fish Energetics written by Peter Tytler and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is almost thirty years since Professor G. G. Winberg established the basis for experimental studies in fish energetics with the publication of his monograph, Rate of Metabolism and Food Requirements of Fishes. His ultimate aim was to develop a scientific approach to fish culture and management, and the immense volume of literature generated in the ensuing years has been mainly in response to the demand for information from a rapidly expanding, world-wide aquaculture industry and to the shortcomings of contemporary practices in fisheries management. The purpose of this book is not to review this literature compre hensively, but, assuming an informed readership, to focus attention on topics in which new knowledge and theory are beginning to be applied in practice. Most emphasis has been placed on food; feeding; production (growth and reproduction) and energy budgeting, as these have most influence on the development of fish culture. Some chapters offer practical advice for the selection of methods, and warn of pitfalls in previous approaches. In others the influence of new theory on the interpretation of studies in fish energetics is discussed in the context of resource allocation and adaptation. We hope that the scope of material presented here will have sufficient interest and value to help significantly to fulfil Winberg's original objectives.
