Immune Response and Antibody Characterization of the Channel Catfish (Ictalurus Punctatus) to a Naturally Pathogenic Bacterium and Virus PDF Download
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Author: Charles M. Heartwell
Publisher:
ISBN:
Category : Channel catfish
Languages : en
Pages : 44
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Book Description
Partial antibody characterization indicates that specific channel catfish immunoglobulins are macroglobulins with characteristics like those of most fish immunoglobulins and similar to those of human immunoglobulin-M.
Author: Charles M. Heartwell
Publisher:
ISBN:
Category : Channel catfish
Languages : en
Pages : 44
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Book Description
Partial antibody characterization indicates that specific channel catfish immunoglobulins are macroglobulins with characteristics like those of most fish immunoglobulins and similar to those of human immunoglobulin-M.
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Antibodies
Languages : en
Pages : 35
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Book Description
Partial antibody characterization indicates that specific channel catfish immunoglobulins are macroglobulins with characteristics like those of most fish immunoglobulins and similar to those of human immunoglobulin-M.
Author: Charles Monroe Heartwell
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages : 248
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Book Description
Author: Deepthi Raghu
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The channel catfish (Ictalurus punctatus) is susceptible to bacterial and viral infections acqired from its pond environment. The innate immune proteins mannose-binding lectin (MBL) and lysozyme were studied in two different groups of channel catfish aged 2, 4, 6, 9, and 12 months-old. The two groups were maintained at a mean temperature of 27 0C and were one-year apart in their bleedings. Dot-blot enzyme linked immunosorbent assay for MBL and turbidometry lysozyme quantitive assays were done to determine the two innate immune proteins. The greatest increases in mean MBL and mean lysozyme concentrations were seen at 4 months. Two month-old catfish were comparable with 12 month-old catfish in their concentrations of MBL and lysozyme (p
Author: Alison Marchant
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Microcystin-LR is a hepatotoxin produced by cyanobacteria. Aeromonas hydrophila and Edwardsiella piscicida infections are leading causes of losses in market-sized channel catfish (Ictalurus punctatus). These older fish should have natural immunity in place and a predisposing factor is likely a prerequisite for these disease outbreaks. While microcystin-LR rarely causes mortality in warm-water aquaculture, we believe it may be a predisposing factor that leads to bacterial disease outbreaks during the summer months due to its ability to damage the liver. Our study investigated microcystin-LR’s effects on channel catfish susceptibility to these pathogens. We found that a sublethal dose of microcystin-LR induced substantial damage to multiple immune organs. In our challenges with both the toxin and bacteria, we saw a significant increase in mortality of fish. Our findings suggest that microcystin-LR increases channel catfish susceptibility to Aeromonas hydrophila and Edwardsiella piscicida infections.
Author: Heinz Fraenkel-Conrat
Publisher: Springer Science & Business Media
ISBN: 1468435639
Category : Medical
Languages : en
Pages : 559
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Book Description
The time seems ripe for a critical compendium of that segment of the biological universe we call viruses. Virology, as a science, having passed only recently through its descriptive phase of naming and num bering, has probably reached that stage at which relatively few new-truly new-viruses will be discovered. Triggered by the intellectual probes and techniques of molecular biology, genetics, bio chemical cytology, and high resolution microscopy and spec troscopy, the field has experienced a genuine information explosion. Few serious attempts have been made to chronicle these events. This comprehensive series, which will comprise some 6000 pages in a total of about 18 volumes, represents a commitment by a large group of active investigators to analyze, digest, and expostulate on the great mass of data relating to viruses, much of which is now amorphous and disjointed, and scattered throughout a wide literature. In this way, we hope to place the entire field in perspective, and to develop an invalua ble reference and sourcebook for researchers and students at all levels. This series is designed as a continuum that can be entered anywhere, but which also provides a logical progression of developing facts and integrated concepts.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1072
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1124
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Book Description
Author:
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 206
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Book Description
Author: William Roland Nelson
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 24
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Book Description
The time and location of spawning, food and larvae, and habitats used as nursery areas by young-of-the-year fishes were studied from 1972 to 1975 in South Dakota waters of Lake Oahe, a main stem Missouri River reservoir. Sampling locations were in the tributary rivres -- the Grand Moreau, and Cheyenne -- and their embayments. Year-class strength of river-spawning species was strongly correlated with river flow rates during the spawning season. Success of reservoir-spawning species was primarily dependent on above-average water levels, which inundated terrestrial vegetation to provide a substrate for egg deposition and cover for larvae. Preserving adequate streamflow and enhancing reservoir shoreline areas by managing water levels, seeding vegetation, and eliminating grazing alongshore would probably ensure adequate reproduction of most areas.
