Download or read book Culture of Air breathing Fishes written by T. J. Pandian and published by . This book was released on 1980 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: From an extensive series of experimental studies out on the economically important, obligate air-breathing fish Ophicephalus striatus, it has been possible to recommend certain measures to enchange the fish productivity in waters deficient in oxygen. One g weight fingerling represents the 'critical life stage' of the fish at which breathing from both water and air is obligatory. It is advantageous to culture these fingerlings in shallow nurseries with temperature range of 27 C-32 C, as it greatly enchances the survival and ensure faster growth. Artificial aeration of the fish ponds may not yield any extra advantage. The 2/3 of the adlibitum ration represents the optimum and such reduction in the ration economises the feed cost. Increasing the depth of culture ponds containing larger fishes may not prove to be disadvantageous. [Author's abstract].
Download or read book Sustainable Aquaculture written by Carl D Webster and published by CRC Press. This book was released on 2003-08-04 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examine the world's leading aquaculture producers! Sustainable Aquaculture: Global Perspectives is a one-of-a-kind primer on the world's leading sources of aquatic production, presenting expert commentary that includes the latest advancements, developments, and research findings. The book examines essential elements of aquaculture (water quality, nutrition, genetics, culture methods) and addresses problems such as over-fishing, coastal and wetland destruction, and habitat and environmental degradation. Sustainable Aquaculture: Global Perspectives addresses policy measures that are essential for the long-term sustainability of the world's fisheries—and the long-term employment of those who rely on the aquaculture industry for their livelihood. As the world's population increases at an alarming rate, the question of how to ensure global food security is one of extreme importance. But the world's total yield is below expectations and the book examines the reasons why: the under-utilization of natural resources, the lack of adoption of modern scientific methods, the lack of standardized, proven pond fertilization protocols; long-term inbreeding and the loss of genetic variability due to genetic drift. Sustainable Aquaculture: Global Perspectives also addresses: freshwater pearl culture breeding programs pond fertilization regimes fish diseases in tropical climates indoor recirculating culture systems water quality management for shrimp farming and much more! With much of its information available in one place for the first time, Sustainable Aquaculture: Global Perspectives is invaluable as a textbook for introductory aquaculture courses and is an essential resource for professionals and researchers.
Download or read book Freshwater Air Breathing Fishes of North West Bangladesh written by Md. Mehedi Hasan and published by LAP Lambert Academic Publishing. This book was released on 2011-05 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air-breathing fishes have become of great interest in recent years for several reasons in different countries over the world. These include the many adaptations of their respiratory and cardiovascular systems for obtaining oxygen from air and water, adaptation in their food and feeding habits, reproduction and behavior. Also, they are important source of animal protein especially in drought and flood prone areas. At present, air-breathing fishes are gradually introducing in different aquaculture practices like cage culture, waste fed aquaculture etc. Unfortunately, there is no systematic record of air-breathing fishes in Bangladesh. Species profile of air-breathing fishes with special emphasis on their air-breathing organs are described in this document. So, we strongly believe that this document would be helpful to many scientists, students and teaching staff in Bangladesh and other countries.
Download or read book Biology and Culture of Air breathing Fishes with Special Reference to Tripura written by M. K. Deb Barman and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Air Breathing Fishes written by Jeffrey B. Graham and published by Elsevier. This book was released on 1997-07-04 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air Breathing Fishes: Evolution, Diversity, and Adaptation is unique in its coverage of the evolution of air-breathing, incongruously because it focuses exclusively on fish. This important and fascinating book, containing nine chapters that present the life history, ecology, and physiology of many air-breathing fishes, provides an exceptional overview of air-breathing biology.Each chapter provides a historical background, details the present status of knowledge in the field, and defines the questions needing attention in future research. Thoroughly referenced, containing more than 1,000 citations, and well documented with figures and tables, Air-Breathing Fishes is comprehensive in its coverage and will certainly have wide appeal. Researchers in vertebrate biology, paleontology, ichthyology, vertebrate evolution, natural history, comparative physiology, anatomy and many other fields will find something new and intriguing in Air-Breathing Fishes. Offers a complete overview of an important and immensely interesting area of research Provides a perspective of air-breathing fish that spans 300 million years of vertebrate evolution Contains numerous illustrations as well as comprehensive charts Provides a synoptic treatment of all the known air-breathing species with important data on their morphological and physiological adaptations
Download or read book Fisheries and Aquaculture written by Aliva Patnaik and published by The Readers Paradise . This book was released on 2023-08-28 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book "Fisheries and Aquaculture: A Textbook for Undergraduate and Postgraduate students" offers a comprehensive and in-depth exploration of the fascinating world of aquatic life. From the study of fish morphology and physiology to understanding fisheries and aquaculture practices, this book serves as a valuable guide for aspiring students. It goes beyond the basics, delving into topics such as fish pathology and transgenesis, shedding light on the crucial aspects of aquatic health and genetic advancements. Additionally, the inclusion of fish aquarium management provides a practical dimension to the subject. With its rich content and thorough approach, this textbook is a must-have resource for both undergraduate and postgraduate students seeking to excel in the field of fisheries and aquaculture.
Download or read book Control of Biotic and Abiotic Factors in Aquaculture written by Amita Saxena and published by Daya Books. This book was released on 2003 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weed and Predators compete with aqua crop (fish) for space, dissolved oxygen, food micronutrients and physical factors etc. These resulted into poor growth of fish, it means less production. Predators not only injurious to fishes on above ways but also directly prey upon them. Wound caused by predator to prey is found to be prone to infections. Prey-predators relationship and aquaculture management practices have also been discussed. On the other hand, importance of soil, water and manuring in piscicultures are discussed. Pollutants/pollution causes a great loss of fisheries filtration technology and remedial measures are focused in this book to get better yield. Contents Chapter 1: An Ecosystem, Chapter 2: Aquatic Weeds and their Control, Chapter 3: Weed and Predatory Fishes and their Characteristics, Chapter 4: Control of Unwanted Fishes, Chapter 5: Aquatic Insects and their Characteristics, Chapter 6: Management of Aquatic Insects, Chapter 7: Prey-Predator Relationship, Chapter 8: Importance of Soil and Water in Pisciculture, Chapter 9: Importance of Pond Fertility in Fish Culture, Chapter 10: Vertebrate Predators, Chapter 11: Air Breathing Fishes, Chapter 12: Tilapia, Forages Fishes and their Culture, Chapter 13: Composite Fish Culture, Chapter 14: Sewage Fed Fisheries, Chapter 15: Food, Energy and Growth of Fish, Chapter 16: Unwanted Substances (Pollutants), their Effects and Determination, Chapter 17: Fish, Pathogens, Policies and Spoilage, Chapter 18: Use of Filters in Aquaculture.
Download or read book Aquaculture written by and published by Academic Press. This book was released on 2020-12-01 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fish Physiology, Volume 38 in this ongoing series, examines how the inherent potential of fish to express traits of economic value can be realized through aquaculture. Topics covered include the regulation of the reproductive cycle of captive fish, shifting carnivorous fish towards plant-based diets, defining the challenges, opportunities and optimal conditions for growth under intensive culture (including in Recirculating Aquaculture Systems), enhancing immune function and fish health during culture, identifying and managing maladaptive physiological responses to aquaculture stressors, establishing welfare guidelines for farmed fish, phenotypic and physiological responses to genetic modification, Zebrafish as a research tool, and the aquaculture of air-breathing fish. Contains contributions from an international board of authors, each with decades of aquaculture expertise Provides the most up-to-date information on the fundamental role that physiology plays in optimizing fish performance in aquaculture Provides the latest release in the Fish Physiology series that tackles how the manipulation of biological processes can be used to maximize the expression of beneficial production traits in fish aquaculture
Download or read book Science and the Conquest of Hunger written by Monkombu Sambasivan Swaminathan and published by Concept Publishing Company. This book was released on 1983 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transcript of lectures.
Download or read book Freshwater Aquaculture 3rd Ed written by R.K. Rath and published by Scientific Publishers. This book was released on 2018-04-01 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: The revised third edition is a comprehensive and better illustrated book covering the major aspects of freshwater aquaculture within Asiatic region with particular focus on the Indian context. In the present revised edition, an attempt has been made not only to update the information but also three additional chapters such as Biotechnology in Aquaculture, Fisheries Extension Education and Ornamental Fish Production and Management are incorporated for the graduate and postgraduate students in the subject concerned. Hope this book would facilitate the teaching of the subject in Colleges and Universities as per their syllabi.
Download or read book Fisheries Development and Management in India 1785 1986 written by Nune Subba Rao and published by Northern Book Centre. This book was released on 1989 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fisheries play an important role in the economy of nations bordering the sea and this is especially true in a populous country like India where a large majority continues to live below the poverty line. Sea fishing has been an occupation with the coastal people of India since time immemorial forming an integral part of the maritime heritage. Machanisation has been introduced into the marine fishing with a view to exploit the fisheries potential all along the Indian coastline of 6,500 km by overcoming the deficiencies of the centuries old traditional fishing technology and to augment fish production with a higher fishing effort and also to raise the income levels and living standards of fishermen. The present book, based on the author’s doctoral dissertation, made a bold and pioneering attempt to evaluate the costs and earnings of mechanised and traditional boats for determining their relative operational efficiency and to examine intensively the effects of mechanisation on employment, income levels, consumption pattern and levels of living of fishermen and their social implications. While analysing the merits of the new fishing technology and also the reactions of different groups of fishermen to mechanisation, he spotlights the shortsightedness in the implementation of the programme of mechanisation resulting in a host of negative effects which have implications and also sets forth the valuable lessons which Indian experiences have to offer to the densely populated littoral nations in the Third World. To ensure enduring benefits to the vast majority of marine fishermen, the thesis underscores, among numerous other remedies the need for the provision of an intermediary technology, the need for the institutional support and marketing network and the need for the management of fisheries resources. It also calls for the policies to bring about socio-economic development of the fishing community on par with the rest of the society. All in all, a genuine contribution to knowledge of `grassroots' situations that will have enduring value and that can be useful in both academic and policy-formation circles.
Download or read book Handbook on Fisheries and Aquaculture Technology written by NIIR Board of Consultants & Engineers and published by ASIA PACIFIC BUSINESS PRESS Inc.. This book was released on 2003-01-01 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fishery sector is important from Indian economy view point as it contributes a source of income to a number of fishermen and has huge export potential. The systems and technology used in aquaculture has developed rapidly in the last fifty years. They vary from very simple facilities like family ponds for domestic consumption in tropical countries to high technology systems like intensive closed systems for export production. Much of the technology used in aquaculture is relatively simple, often based on small modifications that improve the growth and survival rates of the target species. Nowadays, the fish and fisheries industry is one of the fastest growing international commodity markets globally. Guaranteeing an adequate supply to this international market requires hundreds of thousands of fishing vessels and fish farms, as well as tens of thousands of fish processing workers, wholesalers and retailers in countries spread all over the world. The fishery sector thus generates employment and income for millions of people and in one of the major fields to venture. A wide range of aspects of fresh water aquaculture such as selection of species of fish and shellfish, construction and preparation of various types of fish ponds, control of aquatic weeds and predators, production of seed fish and their transportation, fish nutrition and fish diseases and their control pertaining to composite fish culture, air breathing fish culture etc. have been dealt with a length for easy adoption. The major contents of the book are classification of fishes, general characters of fishes, techniques in fish identification, cold water fisheries of India, physical and chemical properties of fishery water, chemical constituents of fish, economic importance of fishes, fish in relation to human health, construction of fish farms, etc. In this book you can find all the basic information required on the fundamental aspects of the fisheries and aquaculture technology with detailed information of their applications a wide variety of industrial processes etc. The book is very useful for research scholars, technocrats, institutional libraries and entrepreneurs who want to enter into the field of aquaculture technology. 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Download or read book APPLIED ENVIRONMENTAL SCIENCES ENGINEERINGS written by Dr. C B Sharma and published by BFC Publications. This book was released on 2021-01-11 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Book entitled “Applied Environmental Sciences & Engineerings” is compiled on the basis of the materials gathered during experiences gained over 45 years in the field of EPC by TT of ASNWWW-HHS (Environmental Pollution Control by Testing & Treatment of Air/Stack/Noise/Water/Waste Water-Human Health & Sanitation), based on hunting countless related journals & the numerous books, which in turn, resulting from the illustration of Double Rs: Reasons & Remedies of globally Hot Topics Viz; global warming, climate change, Spread of Pandemic Covid-19.
Download or read book Fish Fisheries written by Pandey K and published by Rastogi Publications. This book was released on with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science For Ninth Class Part 3 Biology W written by P.S.VERMA and published by S. Chand Publishing. This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of six books for Classes IX and X according to the CBSE syllabus
Download or read book Science for Ninth Class Part 1 Biology written by Lakhmir Singh & Manjit Kaur and published by S. Chand Publishing. This book was released on with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of books for Classes IX and X according to the CBSE syllabus and CCE Pattern
Download or read book Fish Nutrition And Its Relevance To Human Health written by A. S. Ninawe and published by CRC Press. This book was released on 2020-11-11 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book on Fish Nutrition and Its Relevance to Human Health is an important document in filling the gap of requisite fish nutrition and sustainable aquaculture in different agro-climatic zones and its relevance to human health. The book includes 14 chapters addressing various aspect of nutritional requirement of cultivable finfishes of freshwater, brackish water and marine eco systems including cold water and valley region fisheries. Various aspects on larval and adult feeding with cultivation and intensification of live food organisms including copepods is discussed. Aspects on immunomodulation, role of digestive enzymes and nutraceuticals, probiotics including nutrigenomics have been well documented. Post harvest and value addition aspects have been the important contribution for fish farming and human nutrition value. A topic has been included on water quality management for safe husbandry practices on bio-flock technology and its relevance for sustainable aquaculture farming systems in a book on fish nutrition and its relevance to human health. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
