Occurrence of Intestinal Fish Parasites in Australia PDF Download
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Author: Albert Eisenbarth
Publisher: Diplomica Verlag
ISBN: 3836680181
Category : Science
Languages : en
Pages : 93
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Book Description
Background: Nematodes of the family Anisakidae are parasites of marine organisms, such as fish and sea mammals, pose a threat to humans and cause the disease anisakiasis. In Australia, little has been done to evaluate the risk of exposure for consumers of infected fish to these parasites. The aim of the present study is to partially address this gap by a small-scale survey of five local fish species from southern Australia destined for consumption. Methods: Fish were collected and examined for intestinal worms, including anisakids. The parasite larvae collected were fixed and identified both by morphological/morphometric analysis and by molecular investigation of the PCR-amplified internal transcribed spacer region of nuclear ribosomal DNA. Both datasets were combined and interpreted together with other biological data. Results: Infection rates of anisakid nematodes in the respective fish species ranged between 20 % and 100 %. Larval stages of seven anisakid species of three different genera, namely Anisakis, Contracaecum and Hysterothylacium, were identified. Some species discovered represent molecularly uncharacterized specimens and await unequivocal identification. Conclusion: The data show that Anisakis and related species are prevalent in southern Australia, in some fish hosts in large numbers. Further research will provide a better understanding of the parasite and other factors linked to anisakiasis.
Author: Albert Eisenbarth
Publisher: Diplomica Verlag
ISBN: 3836680181
Category : Science
Languages : en
Pages : 93
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Book Description
Background: Nematodes of the family Anisakidae are parasites of marine organisms, such as fish and sea mammals, pose a threat to humans and cause the disease anisakiasis. In Australia, little has been done to evaluate the risk of exposure for consumers of infected fish to these parasites. The aim of the present study is to partially address this gap by a small-scale survey of five local fish species from southern Australia destined for consumption. Methods: Fish were collected and examined for intestinal worms, including anisakids. The parasite larvae collected were fixed and identified both by morphological/morphometric analysis and by molecular investigation of the PCR-amplified internal transcribed spacer region of nuclear ribosomal DNA. Both datasets were combined and interpreted together with other biological data. Results: Infection rates of anisakid nematodes in the respective fish species ranged between 20 % and 100 %. Larval stages of seven anisakid species of three different genera, namely Anisakis, Contracaecum and Hysterothylacium, were identified. Some species discovered represent molecularly uncharacterized specimens and await unequivocal identification. Conclusion: The data show that Anisakis and related species are prevalent in southern Australia, in some fish hosts in large numbers. Further research will provide a better understanding of the parasite and other factors linked to anisakiasis.
Author: Roy C. Anderson
Publisher: CABI
ISBN: 9780851997865
Category : Science
Languages : en
Pages : 676
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Book Description
This well illustrated book provides an historical and unified overview of a century and a half of research on the development, life cycles, transmission and evolution of the nematodes found in vertebrates throughout the world. This second, expanded edition includes relevant data from some 450 new references that have appeared from 1989 to 1999. The volume includes nematode parasites of humans, domestic animals and wildlife including fish. After an introductory chapter outlining general principles, the author systematically describes the biological characteristics of the 27 superfamilies of nematodes, followed by families, subfamilies, genera and species.
Author: Brian Austin
Publisher: John Wiley & Sons
ISBN: 1119152135
Category : Technology & Engineering
Languages : en
Pages : 418
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Book Description
There has been a continual expansion in aquaculture, such that total production is fast approaching that of wild-caught fisheries. Yet the expansion is marred by continued problems of disease. New pathogens emerge, and others become associated with new conditions. Some of these pathogens become well established, and develop into major killers of aquatic species. Diagnosis and Control of Diseases of Fish and Shellfish focuses on the diagnosis and control of diseases of fish and shellfish, notably those affecting aquaculture. Divided into 12 chapters, the book discusses the range of bacterial, viral and parasitic pathogens, their trends, emerging problems, and the relative significance to aquaculture. Developments in diagnostics and disease management, including the widespread use of serological and molecular methods, are presented. Application/dose and mode of action of prebiotics, probiotics and medicinal plant products used to control disease are examined, as well as the management and hygiene precautions that can be taken to prevent/control the spread of disease. This book will be a valuable resource for researchers, students, diagnosticians, veterinarians, fish pathologists and microbiologists concerned with the management of diseases of fish and shellfish.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 752
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Book Description
Author: Hartford Williams
Publisher: CRC Press
ISBN: 9780203489888
Category : Science
Languages : en
Pages : 618
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Book Description
Fish are a unique group which harbour some 30,000 species of helminths that do not occur in other vertebrates. This book deals specifically with parasitic worms of fish. It covers every aspect of their biology including identification, life-cycles, hostparasite relationships and ecology. It discusses approaches to studying parasitic worm infections, preference of species for particular host species, preference for dwelling in certain organs and tissues, biogeography, seasonality of infections and how parasites have evolved in parallel with their hosts. The book concludes with discussions of fish worms causing diseases in nature and in fish-farms.
Author: Patrick T. K. Woo
Publisher: CABI
ISBN: 1845938062
Category : Nature
Languages : en
Pages : 395
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Book Description
Focusing on pathobiology and protective strategies against protozoan and metazoan parasites of fish, this book reviews the latest research on important parasites: those that cause financial hardships to the aquaculture industry, have been introduced to new geographical regions through transportation of infected fish, are pathogenic to groups of finfish and detrimental to production, are highly adaptable and not host-specific with worldwide distributions, and that may serve as disease models for studies on other pathogens. It also highlights gaps in the knowledge to help direct future research.
Author: Graham C. Kearn
Publisher: Springer Science & Business Media
ISBN: 1402029268
Category : Science
Languages : en
Pages : 445
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Book Description
Many different kinds of animals have adopted a parasitic life style on the skin and gills of marine and freshwater fishes, including protozoans, flatworms, leeches, a range of crustaceans and even some vertebrates (lampreys). There is a parasitic barnacle, described first in the 19th century by Charles Darwin, fish lice that change sex and bivalve molluscs parasitic only when young. This book explores for the first time in one volume, the remarkable biology of these little known and frequently bizarre animals. The following closely interwoven themes are considered for each group of parasites: how they find their hosts, how they attach, feed and reproduce, the damage they inflict and how the host’s immune system retaliates. Based on the British fauna, but extending where appropriate to examples from North America, Australia and elsewhere, the book is essential reading, not just for the professional parasitologist, but also for anyone interested in fishes and in this neglected field of British natural history. With the enquiring naturalist in mind, terms and concepts are explained as they arise, backed up by a glossary, and the text is liberally illustrated. An introductory chapter on fish biology sets the scene and common fish names are used throughout, as well as scientific names.
Author: Klaus Rohde
Publisher: CSIRO PUBLISHING
ISBN: 0643099271
Category : Science
Languages : en
Pages : 592
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Book Description
This comprehensive, authoritative and up-to-date work provides the definitive overview of marine parasites worldwide. It is an invaluable reference for students and researchers in parasitology and marine biology and will also be of interest to ecologists, aquaculturists and invertebrate biologists. Initial chapters review the diversity and basic biology of the different groups of marine parasites, discussing their morphology, life cycles, infection mechanisms and effects on hosts. The ecology and importance of marine parasites are discussed in the second part of the book, where contributions investigate behavioural and ecological aspects of parasitism and discuss the evolution and zoogeography of marine parasites. In addition, the economic, environmental and medical significance of these organisms is outlined, particularly their importance in aquaculture and their effects on marine mammals and birds. Written by an international team of contributors, the emphasis is on a thorough grounding in marine parasitology combined with reviews of novel concepts and cutting-edge research.
Author:
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 952
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Book Description
Author: Elizabeth Gosling
Publisher: John Wiley & Sons
ISBN: 0470674946
Category : Technology & Engineering
Languages : en
Pages : 547
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Book Description
Marine Bivalve Molluscs Marine Bivalve Molluscs is a comprehensive and thoroughly updated Second Edition of Bivalve Molluscs, covering all major aspects of this important class of invertebrates. As well as being an important class biologically and ecologically, many of the bivalves are fished and cultured commercially (e.g. mussels, oysters, scallops and clams) in a multi-billion dollar worldwide industry. Elizabeth Gosling has written a landmark book that will stand for many years as the standard work on the subject. Chapters in Marine Bivalve Molluscs cover morphology, ecology, feeding, reproduction, settlement and recruitment, growth, physiology, fisheries, aquaculture, genetics, diseases and parasites, and public health issues. A full understanding of many of these aspects is vital for all those working in bivalve fisheries and culture. An essential purchase for anyone concerned with this important class of animals, copies of Marine Bivalve Molluscs should be on the shelves of biologists, ecologists, environmental scientists, fisheries scientists and personnel within the aquaculture industry. Copies of the book should be available in all libraries and research establishments where these subjects are studied or taught. REVIEWS OF THE FIRST EDITION An admirable achievement...a valuable addition to marine sciences libraries everywhere. The back cover of this book says that it is a landmark text that will stand for many years as the standard work on this subject. I can only agree with this sentiment. ~ Aquaculture A welcome addition to the literature and provides the reader with a comprehensive overview of biological and environmental factors that affect and control both natural populations of marine bivalves and culture operations. ~ Aquaculture International The author has done an admirable job in compiling a wealth of information into a readable text. ~ Transactions of the American Fisheries Society Will serve well as a description of much of both the experimental biology and the aquaculture of bivalves. ~ Journal of Experimental Marine Biology and Ecology Provides excellent reviews of all major aspects...an extremely important reference for anyone engaged in bivalve research, fisheries management, and aquaculture. ~ Quarterly Review of Biology The book is very readable, in an easy style. It is well illustrated and there is a wealth of data and statistics presented. ~ Bulletin of the Malacological Society of London
