Effects Of Incubation Substrates On Hatch Timing And Success Of White Sturgeon Acipenser Transmontanus Embryos
DOWNLOAD
Download Effects Of Incubation Substrates On Hatch Timing And Success Of White Sturgeon Acipenser Transmontanus Embryos PDF/ePub or read online books in Mobi eBooks. Click Download or Read Online button to get Effects Of Incubation Substrates On Hatch Timing And Success Of White Sturgeon Acipenser Transmontanus Embryos book now. This website allows unlimited access to, at the time of writing, more than 1.5 million titles, including hundreds of thousands of titles in various foreign languages. If the content not found or just blank you must refresh this page
Effects Of Incubation Substrates On Hatch Timing And Success Of White Sturgeon Acipenser Transmontanus Embryos
DOWNLOAD
Author : Michael J. Parsley
language : en
Publisher:
Release Date : 2013
Effects Of Incubation Substrates On Hatch Timing And Success Of White Sturgeon Acipenser Transmontanus Embryos written by Michael J. Parsley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Kootenai River categories.
The Effect Of Substrate Rearing On The Growth Development And Survival Of Larval White Sturgeon Acipenser Transmontanus During Early Ontogeny
DOWNLOAD
Author : Marcus A. Boucher
language : en
Publisher:
Release Date : 2012
The Effect Of Substrate Rearing On The Growth Development And Survival Of Larval White Sturgeon Acipenser Transmontanus During Early Ontogeny written by Marcus A. Boucher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
White sturgeon, Acipenser transmontanus, were reared in the presence (gravel) or absence (bare) of substrate at either 13.5 or 17.5°C during the yolk sac phase. Fish reared in gravel were transferred to bare tanks at emergence from substrate and reared to 46 days post hatch (dph). At any given dph or Accumulated Thermal Unit (ATU), the fish reared in gravel were significantly larger and survival was higher than those reared without substrate at both temperatures (T). Cumulative survival was lower at high T and was 20% greater in gravel-reared larvae in both T. Yolk absorption rate did not vary between bare and gravel, but was significantly greater at high T. Yolk absorption efficiency was greatest in gravel-reared fish, but did not vary with T. Liver histology indicated that fish reared in gravel had significantly greater quantity of lipid during the yolk sac phase. In a second experiment, yolk sac larvae were reared in the presence (gravel or bio-spheres) or absence (bare) of substrate at 13.5°C and respirometry used to measure both routine and maximum metabolic rate for assessing metabolic scope. Larvae reared in gravel had significantly greater metabolic scope, and whole body glycogen was significantly greater in larvae reared in both substrates at 8 dph indicating that substrate rearing may provide a greater capacity of growth and development at a time of intense organogenesis. Histological analysis of the liver showed greater lipid and glycogen in larvae reared in substrate. These findings suggest that larvae reared without substrate may divert more of their energy to non-growth related processes, such as swimming activity, which was observed but not quantified. Thus, larvae reared without substrate may be at a significant physiological disadvantage, leaving less energy for growth and development. --P. i.
The Effect Of Substrate Rearing On The Growth Development And Survival Of Larval White Sturgeon Acipenser Transmontanua During Early Ontogeny
DOWNLOAD
Author : Marcus A. Boucher
language : en
Publisher:
Release Date : 2012
The Effect Of Substrate Rearing On The Growth Development And Survival Of Larval White Sturgeon Acipenser Transmontanua During Early Ontogeny written by Marcus A. Boucher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with White sturgeon categories.
"White sturgeon, Acipenser transmontanus, were reared in the presence (gravel) or absence (bare) of substrate at either 13.5 or 17.5°C during the yolk sac phase. Fish reared in gravel were transferred to bare tanks at emergence from substrate and reared to 46 days post hatch (dph). At any given dph or Accumulated Thermal Unit (ATU), the fish reared in gravel were significantly larger and survival was higher than those reared without substrate at both temperatures (T). Cumulative survival was lower at high T and was 20% greater in gravel-reared larvae in both T. Yolk absorption rate did not vary between bare and gravel, but was significantly greater at high T. Yolk absorption efficiency was greatest in gravel-reared fish, but did not vary with T. Liver histology indicated that fish reared in gravel had significantly greater quantity of lipid during the yolk sac phase. In a second experiment, yolk sac larvae were reared in the presence (gravel or bio-spheres) or absence (bare) of substrate at 13.5°C and respirometry used to measure both routine and maximum metabolic rate for assessing metabolic scope. Larvae reared in gravel had significantly greater metabolic scope, and whole body glycogen was significantly greater in larvae reared in both substrates at 8 dph; indicating that substrate rearing may provide a greater capacity of growth and development at a time of intense organogenesis. Histological analysis of the liver showed greater lipid and glycogen in larvae reared in substrate. These findings suggest that larvae reared without substrate may divert more of their energy to non-growth related processes, such as swimming activity, which was observed but not quantified. Thus, larvae reared without substrate may be at a significant physiological disadvantage, leaving less energy for growth and development."--P. i.
Sturgeons And Paddlefish Of North America
DOWNLOAD
Author : G.T.O LeBreton
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-20
Sturgeons And Paddlefish Of North America written by G.T.O LeBreton 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 2006-01-20 with Science categories.
Modern North American sturgeons and paddlefish are the result of 100 million years of evolution. Once an integral part of aboriginal culture, their numbers were decimated by overfishing and habitat destruction during the past two centuries. This book details the extensive science aimed at helping these remarkable species recover from the brink of extinction, and describes the historical, biological, and ecological importance of North American sturgeon and paddlefish. The text is enhanced by photographs and detailed line drawings. This comprehensive volume will be an invaluable resource for researchers, educators, and consultants, in academic and government settings, who work to further scientific understanding of these fishes. No other single compilation has documented current information in such detail.
Sturgeon Fishes
DOWNLOAD
Author : Tatiana A. Dettlaff
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Sturgeon Fishes written by Tatiana A. Dettlaff 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 is the first comprehensive description of development of the Acipenserid fish published in the English language. It con tains the results of more than 40 years of studies by the authors and their colleagues. My own life in science has been intimately related both with the authors and the fish, which are the subject of this book. Therefore, it gives me a great pleasure to present to the English reader an expanded version of the book. Those interested in the history of biology must be well aware of the fact that genetics in the USSR was practically demolished by Lysenko at the session of the Lenin All-Union Academy of Agricultural Sciences in 1948. However, it is much less well known that other fundamental branches of biology were also persecuted at that time, experimental embryology (developmental mechanics) among them. As a result, many embryologists, in cluding the authors of this book, were forced to turn to more ap plied problems, this being the only way to continue research. They had to abandon amphibians and concentrate their efforts on sturgeon.
Aquatic Sciences And Fisheries Abstracts
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1988-10
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 1988-10 with Fisheries categories.
Hatchery Manual For The White Sturgeon Acipenser Transmontanus Richardson
DOWNLOAD
Author : Fred Sequin Conte
language : en
Publisher: UCANR Publications
Release Date : 1988
Hatchery Manual For The White Sturgeon Acipenser Transmontanus Richardson written by Fred Sequin Conte and has been published by UCANR Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Technology & Engineering categories.
Migratory Fishes Of South America
DOWNLOAD
Author : Joachim Carolsfeld
language : en
Publisher: IDRC
Release Date : 2003
Migratory Fishes Of South America written by Joachim Carolsfeld and has been published by IDRC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Nature categories.
Sturgeon Biodiversity And Conservation
DOWNLOAD
Author : Vadim J. Birstein
language : en
Publisher: Springer Science & Business Media
Release Date : 1997-05-31
Sturgeon Biodiversity And Conservation written by Vadim J. Birstein 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 1997-05-31 with Nature categories.
This volume presents a synthesis of basic biological and conservation data for more than 30 species of sturgeons (Acipenseridae), paddlefishes (Polyodontidae) and their fossil allies in the order Acipenseriformes. Since the Jurassic, the four families of sturgeon-like fish have been restricted to the Holarctic, where until very recently they flourished in most major river systems. Today, however, virtually all species of sturgeons and paddlefishes face difficult conservation issues. Papers in the first section of this volume examine paleontology, systematics, evolution and basic biology of Acipenseriformes. The second section of this volume details current conservation status for most of the world's living species of Acipenseriformes. These papers mark the first attempt to make such a global review of recent data from across the northern hemisphere. The emerging picture is discouraging, for negative anthropogenic impacts range from overfishing to water pollution, to dams and water diversion projects, and all species are threatened to some degree. The third section of the volume considers specific human impacts and responses to conservation issues. These include: the Aral Sea ecological disaster and its impact on native sturgeons; a review of methods for restoring sturgeon populations; the use of molecular techniques in developing conservation strategies; the extreme sensitivity of sturgeons and paddlefishes to overfishing; and the history of a recently convicted caviar poaching ring. The volume's summary reviews the status of all extant species and notes future directions for research on behavior, ecology and population biology that could lead to better co-ordinated international conservation efforts.
The Fish Oocyte
DOWNLOAD
Author : Patrick J. Babin
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-08-20
The Fish Oocyte written by Patrick J. Babin 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 2007-08-20 with Nature categories.
This book addresses the growing needs in deciphering the biological processes associated with fish reproduction, in view of the growth of aquaculture and the dwindling natural stocks of commercially important fish. It presents a comprehensive overview on egg production in fish, from the standpoint of the oocyte. With this view in mind, the book includes chapters on oocyte development (oogenesis), hormonal regulation and hormone receptors, formation of the egg envelopes, growth, accumulation of nutrients and maternal transcripts, maturation, hydration, ovulation and fertilization. A special emphasis is placed on using state-of-the-art tools including electron microscopy for discerning the ultra-structure of the follicle and genomic/proteomic tools to fully understand biological basis of fish reproduction. Studies on promoting oocyte maturation, ovulation and spawning in farmed fish and preservation of fish oocytes at low temperatures are also included. The book will appeal to University lecturers, students, research scientists and those associated with culture of fish in freshwater or marine aquaculture.