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Articles 241 - 270 of 325
Full-Text Articles in Aquaculture and Fisheries
Effects Of Capsaicin Supplemented Feed On The Growth And Immune Response Of Tilapia, Oreochromis Niloticus, Ahmed Mustafa, Paul Mccain, Devin Carr
Effects Of Capsaicin Supplemented Feed On The Growth And Immune Response Of Tilapia, Oreochromis Niloticus, Ahmed Mustafa, Paul Mccain, Devin Carr
Ahmed Mustafa Dr.
No abstract provided.
Psychology (Addiction: Biology, Psychology And Society), Ahmed Mustafa, Sharon Morgillo, Shree Dhawale
Psychology (Addiction: Biology, Psychology And Society), Ahmed Mustafa, Sharon Morgillo, Shree Dhawale
Ahmed Mustafa Dr.
No abstract provided.
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Paul Mccain
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Paul Mccain
Ahmed Mustafa Dr.
No abstract provided.
Effects Of Dietary Supplementation Of The Acidifier Vitoxal-Mionix On Growth, Survival, Immune Response And Gut Microbiota Of The Pacific White Shrimp, Litopenaeus Vannamei, Ahmed Mustafa, Davies Anuta, Alehandro Buentello, Susmita Patnaik, Addison Lawrence, Michaele Hume, Delbert Gatlin, Maurice Kemp
Effects Of Dietary Supplementation Of The Acidifier Vitoxal-Mionix On Growth, Survival, Immune Response And Gut Microbiota Of The Pacific White Shrimp, Litopenaeus Vannamei, Ahmed Mustafa, Davies Anuta, Alehandro Buentello, Susmita Patnaik, Addison Lawrence, Michaele Hume, Delbert Gatlin, Maurice Kemp
Ahmed Mustafa Dr.
No abstract provided.
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Hasina Karki
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Hasina Karki
Ahmed Mustafa Dr.
No abstract provided.
Feasibility Of Farming Nile Tilapia, Oreochromis Niloticus (L.), In Suboptimal Water Temperature, Ahmed Mustafa, Laura Randolph, Shree Dhawale
Feasibility Of Farming Nile Tilapia, Oreochromis Niloticus (L.), In Suboptimal Water Temperature, Ahmed Mustafa, Laura Randolph, Shree Dhawale
Ahmed Mustafa Dr.
No abstract provided.
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia, Ahmed Mustafa, Brittany Byerley, Paul Mccain
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia, Ahmed Mustafa, Brittany Byerley, Paul Mccain
Ahmed Mustafa Dr.
No abstract provided.
Multi-Host Model-Based Identification Of Armillifer Agkistrodontis (Pentastomida), A New Zoonotic Parasite From China, Shao-Hong Chen, Qin Liu, Yong-Nian Zhang, Jia-Xu Chen, Hao Li, Ying Chen, Peter Steinmann, Xiao-Nong Zhou
Multi-Host Model-Based Identification Of Armillifer Agkistrodontis (Pentastomida), A New Zoonotic Parasite From China, Shao-Hong Chen, Qin Liu, Yong-Nian Zhang, Jia-Xu Chen, Hao Li, Ying Chen, Peter Steinmann, Xiao-Nong Zhou
Harold W. Manter Laboratory: Library Materials
Background: Pentastomiasis is a rare parasitic infection of humans. Pentastomids are dioecious obligate parasites requiring multiple hosts to complete their life cycle. Despite their worm-like appearance, they are commonly placed into a separate sub-class of the subphylum Crustacea, phylum Arthropoda. However, their systematic position is not uncontested and historically, they have been considered as a separate phylum.
Methodology/Principal Findings: An appraisal of Armillifer agkistrodontis was performed in terms of morphology and genetic identification after its lifecycle had been established in a multi-host model, that is, mice and rats as intermediate hosts, and snakes (Agkistrodon acutus and Python molurus) …
Status Of The Major Oyster Diseases In Virginia 2006-2008 A Summary Of The Annual Oyster Disease Monitoring Program, Ryan Carnegie, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2006-2008 A Summary Of The Annual Oyster Disease Monitoring Program, Ryan Carnegie, Eugene M. Burreson
Reports
Fall Survey sampling revealed P. marinus levels to be generally normal to high in Virginia tributaries. By 2007 P. marinus was present on every oyster reef sampled, and by the end of the 2006-2008 period the parasite was probably causing some mortality throughout Virginia waters. Data for H. nelsoni are still incomplete for 2006/7 because of funding limitations, but in 2008 H. nelsoni was observed at 17 of 31 sampled reefs, a marked expansion in distribution since 2003/4. A significant MSX disease outbreak occurred in the Great Wicomico River in 2008, as a mild winter and a long period of …
Seasonal Variation Of Ectosymbiotic Ciliates On Farmed And Wild Shrimps From Coastal Yucatan, Mexico, Norma A. López-Téllez, Victor M. Vidal-Martínez, Robin M. Overstreet
Seasonal Variation Of Ectosymbiotic Ciliates On Farmed And Wild Shrimps From Coastal Yucatan, Mexico, Norma A. López-Téllez, Victor M. Vidal-Martínez, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
High levels of ciliate infestation can affect respiration, feed intake, and locomotion in farmed shrimps in the tropics. Information on seasonal variation of the infestation parameters of ciliates is scarce, but it would be useful for determining the suitability of preventive measures or therapeutic treatment if necessary. This study aimed to describe the prevalence and mean intensity of infestation (MII) of ciliates on wild native shrimps Penaeus (Farfantepenaeus) brasiliensis and P. (Farfantepenaeus) duorarum and farm-cultured juvenile shrimp Penaeus (Litopenaeus) vannamei over an annual cycle and to determine whether an association existed among physicochemical factors …
Stable Yellowhead Virus (Yhv) Rna Detection By Qrt-Pcr During Six-Day Storage, Hongwei Ma, Robin M. Overstreet, Jean A. Jovonovich
Stable Yellowhead Virus (Yhv) Rna Detection By Qrt-Pcr During Six-Day Storage, Hongwei Ma, Robin M. Overstreet, Jean A. Jovonovich
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Storage conditions of haemolymph samples which contain yellowhead virus (YHV) may result in a decline of YHV RNA concentration or false-negative results in the detection of YHV. We evaluated the stability of YHV RNA in haemolymph stored at different temperatures for 6 d with conventional RT-PCR and TaqMan qRT-PCR. Specific pathogen-free individuals of Litopenaeus vannamei were challenged with YHV92TH isolate, and haemolymph samples of 3 groups of 10 pooled moribund shrimp were aliquoted and stored at 4 and 25°C for 0, 2, 6, 12, 24, 48, 72, 96, 120, and 144 h. All samples were evaluated by conventional RT-PCR and …
Characterization Of A Rediscovered Haplosporidian Parasite From Cultured Penaeus Vannamei, Lm Nunam, Dv Lightner, Cr Pantoja, Na Stokes, Kimberly S. Reece
Characterization Of A Rediscovered Haplosporidian Parasite From Cultured Penaeus Vannamei, Lm Nunam, Dv Lightner, Cr Pantoja, Na Stokes, Kimberly S. Reece
VIMS Articles
Mortalities of Penaeus vannamei, cultured in ponds in Belize, Central America, began during the last part of the grow-out cycle during the cold weather months from September 2004 through February 2005. Tissue squashes of infected hepatopancreata and histological examination of infected shrimp revealed that the mortalities might have been caused by an endoparasite. To confirm the diagnosis, DNA was extracted from ethanol preserved hepatopancreata and the small-subunit rRNA gene was sequenced. The 1838 by sequence was novel and phylogenetic analysis placed the P. vannamei parasite within the phylum Haplosporidia as a sister taxon to a clade that includes Bonamia and …
Sustainable Brackish Water Shrimp Farming – A Serious Thought In India., Ahmed Mustafa, Maryam Moshref, Susmita Patnaik
Sustainable Brackish Water Shrimp Farming – A Serious Thought In India., Ahmed Mustafa, Maryam Moshref, Susmita Patnaik
Ahmed Mustafa Dr.
No abstract provided.
Detection Of Panulirus Argus Virus 1 (Pav1) In The Caribbean Spiny Lobster Using Fluorescence In Situ Hybridization (Fish), Caiwen Li, Jeffrey D. Shields, Hamish J. Small, Kimberly S. Reece, Carmony L. Hartwig, Roland A. Cooper, Robert E. Ratzlaff
Detection Of Panulirus Argus Virus 1 (Pav1) In The Caribbean Spiny Lobster Using Fluorescence In Situ Hybridization (Fish), Caiwen Li, Jeffrey D. Shields, Hamish J. Small, Kimberly S. Reece, Carmony L. Hartwig, Roland A. Cooper, Robert E. Ratzlaff
Collected Faculty and Staff Scholarship
Panulirus argus Virus 1 (PaV1) is the first virus known to be pathogenic to a wild lobster. It infects the Caribbean spiny lobster P. argus from the Florida Keys, and has a predilection for juveniles. The monitoring of the virus in wild populations and study of its behavior in the laboratory require the development of reliable diagnostic tools. A sensitive and specific fluorescence in situ hybridization (FISH) assay was developed for detection of PaV1. The lower detection limit using a 110 bp DNA probe in a dot-blot hybridization for PaV1 DNA was 10 pg of cloned template PaV1 DNA and …
Status Of The Major Oyster Diseases In Virginia 2005 A Summary Of The Annual Monitoring Program, Ryan Carnegie, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2005 A Summary Of The Annual Monitoring Program, Ryan Carnegie, Eugene M. Burreson
Reports
More normal riverflows and salinities returned in 2005 after two very wet years. Temperatures were somewhat colder than normal during the winter, and warmer during the summer. The physical environment was generally more favorable for parasite activity, and thus brought a slight increase in prevalence and intensity of the oyster diseases caused by Perkinsus marinus (Dermo) and Haplosporidium nelsoni (MSX). Among quarterly James River Survey sites, maximum annual P. marinus prevalences returned to levels typical of the mid- 1990s, before the years of drought. P. marinus prevalence reached 92% at Wreck Shoal, 56% at Point of Shoal, 68% at Horsehead …
Selachohemecus Benzi N. Sp. (Digenea: Sanguinicolidae) From The Blacktip Shark Carcharhinus Limbatus (Carcharhinidae) In The Northern Gulf Of Mexico, Stephen A. Bullard, Robin M. Overstreet, John K. Carlson
Selachohemecus Benzi N. Sp. (Digenea: Sanguinicolidae) From The Blacktip Shark Carcharhinus Limbatus (Carcharhinidae) In The Northern Gulf Of Mexico, Stephen A. Bullard, Robin M. Overstreet, John K. Carlson
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Selachohemecus benzi Bullard & Overstreet n. sp. infects the heart and kidney of the blacktip shark Carcharhinus limbatus in the northern Gulf of Mexico off Florida and Mississippi, USA. Specimens of S. olsoni Short, 1954, the only congener and only other named blood fluke reported from a chondrichthyan in the Gulf of Mexico, were collected from the heart of the Atlantic sharpnose shark Rhizoprionodon terraenovae from two new localities, Apalachicola Bay, Florida, and Mississippi Sound, Mississippi, USA. The new species differs from S. olsoni by having a larger body (1.4–3.8 mm long), robust tegumental body spines numbering 51–63 along each …
Mycobacterial Infections In Striped Bass (Morone Saxatilis) From Delaware Bay, Christopher A. Ottinger, J. Jed Brown, Et Al, Martha Rhodes, Howard Kator, David T. Gauthier, Wolfgang K. Vogelbein
Mycobacterial Infections In Striped Bass (Morone Saxatilis) From Delaware Bay, Christopher A. Ottinger, J. Jed Brown, Et Al, Martha Rhodes, Howard Kator, David T. Gauthier, Wolfgang K. Vogelbein
VIMS Books and Book Chapters
Much of what is known of mycobacteriosis in wild striped bass from the mid-Atlantic region of the United States is based on our observations from Chesapeake Bay and its tributaries, where high infection prevalence and lesioned fish are frequently observed. Comparatively, the occurrence and severity of mycobacteriosis in striped bass from watersheds adjacent to Chesapeake Bay are relatively unknown. This study represents the first report on mycobacterial infection in striped bass harvested from two sites in Delaware Bay.
Epizootic Mycobacteriosis In Chesapeake Bay Striped Bass: What Is The Fate Of Infected Fish?, Wolfgang K. Vogelbein, John M. Hoenig, David T. Gauthier
Epizootic Mycobacteriosis In Chesapeake Bay Striped Bass: What Is The Fate Of Infected Fish?, Wolfgang K. Vogelbein, John M. Hoenig, David T. Gauthier
VIMS Books and Book Chapters
Striped bass (Morone saxatilis) in Chesapeake Bay, USA, are currently experiencing an epizootic of mycobacteriosis. Visceral disease prevalence in resident fish exceeds 50% and prevalence of skin ulcers can exceed 30% in some areas. Two primary hypotheses regarding emergence of this chronic bacterial disease propose that anthropogenic stressors constitute important underlying modulating factors
The Ecology Of Mycobacteria Infecting Striped Bass (Morone Saxatilis) In Chesapeake Bay: A Research Plan, Howard Kator, Martha Rhodes, David Gauthier
The Ecology Of Mycobacteria Infecting Striped Bass (Morone Saxatilis) In Chesapeake Bay: A Research Plan, Howard Kator, Martha Rhodes, David Gauthier
VIMS Books and Book Chapters
The ecology of mycobacteria in estuarine and marine waters remains poorly understood. The current epizootic in Chesapeake Bay striped bass and newly described pathogens Mycobacterium shottsii and M. pseudoshottsii raise ecological questions that if answered can improve our understanding of the pathogenesis of mycobacteriosis in this fish species.
Epizootiology Of Mycobacteriosis In Chesapeake Bay Striped Bass (Morone Saxatilis): Large-Scale Field Survey, David T. Gauthier, Robert Latour, Wolfgang K. Vogelbein
Epizootiology Of Mycobacteriosis In Chesapeake Bay Striped Bass (Morone Saxatilis): Large-Scale Field Survey, David T. Gauthier, Robert Latour, Wolfgang K. Vogelbein
VIMS Books and Book Chapters
Striped bass in Virginia and Maryland waters of Chesapeake Bay are experiencing an ongoing epizootic of mycobacteriosis. Visceral disease prevalence exceeding 50% has been reported in several locations by various authors, and skin lesion prevalence exceeding 30% has been observed. The high prevalence of skin lesions observed in Chesapeake Bay striped bass is unusual and has not, to our knowledge, been reported previously in wild fishes.
Proceedings Of The Western Australian Dhufish Workshop 2004, Mark Pagano, Terry Fuller
Proceedings Of The Western Australian Dhufish Workshop 2004, Mark Pagano, Terry Fuller
Fisheries occasional publications
The Western Australian Dhufish Workshop 2004 was a joint project between Recfishwest and the Western Australian Department of Fisheries.
The workshop incorporated presentations from the Department of Fisheries, Recfishwest, the Western Australian Fishing Industry Council, Murdoch University and Challenger TAFE to showcase current knowledge relating to the iconic dhufish in Western Australia. The perspectives of a recreational fisher, a commercial wetline operator and a metropolitan charter boat operator were also presented.
Through information sharing and discussion the workshop provided a platform to better understand the fundamental issues that underpin current and future management arrangements for this valuable resource. Both commercial …
Role Of Apolipoprotein A-1 In Defense Against Bacteria By Striped Bass (Morone Saxatilis), L. Danielle Johnston
Role Of Apolipoprotein A-1 In Defense Against Bacteria By Striped Bass (Morone Saxatilis), L. Danielle Johnston
Dissertations, Theses, and Masters Projects
No abstract provided.
Status Of The Major Oyster Diseases In Virginia 2004 A Summary Of The Annual Monitoring Program, Ryan Carnegie, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2004 A Summary Of The Annual Monitoring Program, Ryan Carnegie, Eugene M. Burreson
Reports
2004 was the second very wet year in a row. While rainfall and streamflows were normal in winter and early spring, and just slightly above average during the summer, the fall of 2004 was nearly as wet as the year before. Salinities were again depressed throughout the lower Bay. Water temperatures were below normal during the winter, but typical otherwise. Low salinities and, in the winter, temperatures brought continued abatement in the oyster diseases caused by Perkinsus marinus (Dermo) and Haplosporidium nelsoni (MSX). Among quarterly James River Survey sites, maximum annual P. marinus prevalences were the lowest they had been …
Status Of The Major Oyster Diseases In Virginia 2003 A Summary Of The Annual Monitoring Program, Ryan Carnegie, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2003 A Summary Of The Annual Monitoring Program, Ryan Carnegie, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
Low temperatures and salinities brought abatement in the oyster diseases caused by Perkinsus marinus (Dermo) and Haplosporidium nelsoni (MSX) for the first time since 1998. In the James River, P. marinus prevalences were the lowest they had been since 1998. In summer and fall, when P. marinus is normally most prevalent, it was found in a maximum of 72% of oysters at Wreck Shoal and in less than half the oysters at Horsehead Rock and Point of Shoals. Advanced infections were very rare. Haplosporidium nelsoni had disappeared completely from quarterly James River samples by July
Status Of The Major Oyster Diseases In Virginia 2002 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2002 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
Samples collected monthly from the upper James River sites from January through May showed a decline in P. marinus prevalence during the 4 winter and spring following a typical annual pattern; however, annual minimums were atypically high, particularly at Point of Shoals and Wreck Shoal (12-44%). Unusually high salinity conditions and warm winter temperatures promoted high overwintering survival of the pathogen and an early onset of the disease in the summer months. Perkinsus marinus prevalence increased to 100% at all four of the upper river stations and record high infection intensities were observed at Deepwater Shoal and Horsehead Rock. It …
Iodinated Feed Reduces Stress In Steelhead Trout., Ahmed Mustafa
Iodinated Feed Reduces Stress In Steelhead Trout., Ahmed Mustafa
Ahmed Mustafa Dr.
No abstract provided.
Synopsis Of Freshwater Crayfish Diseases And Commensal Organisms, Brett F. Edgerton, Louis H. Evans, Frances J. Stephens, Robin M. Overstreet
Synopsis Of Freshwater Crayfish Diseases And Commensal Organisms, Brett F. Edgerton, Louis H. Evans, Frances J. Stephens, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Disease agents and pests associated with freshwater crayfish fall into six main categories—viruses, bacteria, rickettsia-like organisms (RLOs), fungi, protists, and metazoans. Data and information on specific disease agents and pests from each of these categories are presented in this synopsis. Each agent or group of agents is considered under the following headings—condition, causative agent(s), life cycle/life history, epizootiology, pathology, pathogen viability. Information for the synopsis was obtained from the published literature and from personal contact with internationally recognized experts in freshwater crayfish aquaculture, biology, and disease. Data of relevance for import risk analysis are summarized.
Import risk analysis is the …
Status Of The Major Oyster Diseases In Virginia 2001 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2001 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
Thirty-nine oyster populations were surveyed for disease in fall 2001. Perkinsus marinus was found in all areas sampled and prevalence exceeded 90% at all but 5 sample locations. In the James River P. marinus prevalence ranged from 88-100% at Deepwater Shoal, Horsehead Rock, Point of Shoals, Wreck Shoal, Mulberry Point, Swash, Long Shoal, and Dry Shoal. A lower prevalence was observed down river at Thomas Rock, 72%, and at Nansemond Ridge, 12%. The extremely low prevalence at Nansemond Ridge is likely age and density related; the oyster population was primarily comprised of spat; few small to market oysters were present …
Morphological Variation Of Allocreadium Lobatum (Digenea: Allocreadiidae) In The Creek Chub, Semotilus Atromaculatus (Osteichthyes: Cyprinidae), In Nebraska, Usa, Monte S. Willis
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Allocreadium lobatum Wallin 1909, a parasite of fresh-water fish, was originally described as having distinct lobate testes, and subsequent descriptions have left this original description unchanged. The present study quantifies the observation of distinctly non-lobate testes that could be categorized as round or asymmetrical in addition to the previously described lobate testes. Six hundred thirty-six A. lobatum were collected from 228 Semotilus atromaculatus over a 9 month period. Overall, 21.3%, 61.6%, and 16% were found to be round, asymmetrical, and lobate testes respectively (N = 1,071). Analysis of testis morphology found the increasing presence of lobate testis as …
Status Of The Major Oyster Diseases In Virginia 2000 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2000 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
As a consequence of the relatively warm temperatures, high salinities, and high oyster parasite abundances in the fall of 1999, both P. marinus and H. nelsoni were widely distributed throughout oyster populations in Virginia in 2000. Fortunately, however, we did not see severe epizootics of the diseases as observed in some areas in 1999.