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Effect of tea polyphenol–trehalose complex coating solutions on physiological stress and flesh quality of marine‐cultured Turbot Scophthalmus maximus during waterless transport J. Aquat. Anim. Health (IF 1.2) Pub Date : 2024-03-12 Jie Cao, Meijie Guo, Weiqiang Qiu, Jun Mei, Jing Xie
ObjectiveThe waterless transport of live fish has changed the present situation of live‐fish transport. However, the waterless transport environment may cause stress in fish. This research evaluated the effect of tea polyphenol–trehalose (TPT) coating solutions on Turbot Scophthalmus maximus during waterless transport.MethodsAfter cold acclimation, Turbot were coated and subsequently transported in
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Expression profiles of four Nile Tilapia innate immune genes during early stages of Aeromonas veronii infection J. Aquat. Anim. Health (IF 1.2) Pub Date : 2024-03-01 Karima A. Bakry, Walaa F. A. Emeish, Hamdy M. Embark, Ahmad A. Elkamel, Haitham H. Mohammed
ObjectiveDuring Egypt's hot summer season, Aeromonas veronii infection causes catastrophic mortality on Nile Tilapia Oreochromis niloticus farms. Egypt is ranked first in aquaculture production in Africa, sixth in aquaculture production worldwide, and third in global tilapia production. This study aimed to investigate, at the molecular level, the early innate immune responses of Nile Tilapia to experimental
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The bacterial pathogen Pseudomonas plecoglossicida, its epidemiology, virulence factors, vaccine development, and host–pathogen interactions J. Aquat. Anim. Health (IF 1.2) Pub Date : 2024-02-25 Zhijuan Mao, Shanshan Li, Yiying Li, Tingting Jia
ObjectivePseudomoans plecoglossicida has been identified as a fish pathogen since 2000 and has caused serious infections in cultured Large Yellow Croakers Larimiththys crocea in coastal eastern China during recent years.MethodsPublished literatures of this pathogen have been reviewed.ResultSeveral strains with high genomic similarity have been isolated and identified; the bacteria induce natural infection
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First report of Myxobolus neurofontinalis (Bivalvulida: Myxobolidae) infecting anadromous Brook Trout from Prince Edward Island, Canada J. Aquat. Anim. Health (IF 1.2) Pub Date : 2024-01-19 Steven P. Ksepka, David B. Groman, Laura Bourque, Stephen A. Bullard
During routine histological examination of tissues from mortality events of anadromous Brook Trout Salvelinus fontinalis from Prince Edward Island (PEI), Canada, myxospores consistent with Myxobolus were observed infecting the central nervous system. The objective of this study was to identify the species of Myxobolus infecting the nervous system of anadromous Brook Trout from PEI, Canada.
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Metabolic responses in the gills of Yellowtail Lambari Astyanax lacustris under low- and high-temperature thermal stress J. Aquat. Anim. Health (IF 1.2) Pub Date : 2024-01-13 Ieda Cristina Schleger, Diego Mauro Carneiro Pereira, Anna Carolina Resende, Silvia Romão, Tatiana Herrerias, Ananda Karla Alves Neundorf, Maria Rosa Dmengeon Pedreiro de Souza, Lucélia Donatti
Ectothermic fish are directly affected by temperature changes in the environment. The aim of this study was to evaluate the metabolic responses in the gills of Yellowtail Lambari Astyanax lacustris under thermal stress.
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Splenic hemangioendothelial neoplasm in a captive Northern Snakehead from the Potomac River J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-28 Heather L. Walsh, Vicki S. Blazer, Jeffrey C. Wolf, Christine L. Densmore
At the U.S. Geological Survey Leetown Research Laboratory in Kearneysville, West Virginia, an approximately 3-year-old, captive-held Northern Snakehead Channa argus with clinical signs of abdominal distention died and was necropsied 1 day after an examination under anesthesia. A mass discovered in the midcoelomic cavity, presumed to be deformed spleen, was comprised of large, pseudocystic structures
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Description of spatiotemporal patterns of infectious salmon anemia virus (ISAV) detections in marine Atlantic Salmon farms in Newfoundland and Labrador J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-20 Milan Gautam, K. Larry Hammell, Holly Burnley, Nicole O'Brien, Daryl Whelan, Krishna Kumar Thakur
The objectives of this study were to describe spatiotemporal patterns of infectious salmon anemia virus (ISAV) detections in marine salmonid production sites in the province of Newfoundland and Labrador in Canada.
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First report of a Kudoa lutjanus outbreak in farmed Chicken Grunts Parapristipoma trilineatum J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-24 Li-Wu Cheng, Hsien-Chung Lee, Wei-Xiao Yan, Yu-Han Tseng, Wen-Rou Huang, Pei-Chi Wang, Shih-Chu Chen
As part of the National Disease Surveillance Program for Taiwanese Aquaculture, we investigated the causative agent of disease outbreaks in farmed Chicken Grunts Parapristipoma trilineatum.
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Effects of temperature on viral load, inclusion body formation, and host response in Pacific Herring with viral erythrocytic necrosis (VEN) J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-20 J. E. Salzer, J. B. Greer, M. L. Groner, A. H. MacKenzie, J. L. Gregg, P. K. Hershberger
The primary objective of this study was to determine the effects of temperature on viral erythrocytic necrosis (VEN) progression under controlled conditions. Secondarily, this study was intended to evaluate the combined effects of temperature and VEN on the Pacific Herring Clupea palasii transcriptome.
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Gut dysbiosis induced by florfenicol increases susceptibility to Aeromonas hydrophila infection in Zebrafish Danio rerio after the recommended withdrawal period J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-07 Francisca A. Burgos, Wenlong Cai, Covadonga R. Arias
Florfenicol (FFC) is a broad-spectrum antibiotic approved by the U.S. Food and Drug Administration to treat both systemic and external bacterial infections in food fish. The objective of this study was to evaluate the effect of FFC-medicated feed on the gut microbiota of Zebrafish Danio danio to determine (1) if the therapeutic dose of FFC-medicated feed induces dysbiosis and (2) if fish with altered
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The effects of two dietary synbiotics on growth performance, haematological parameters, and non-specific immune responses in Japanese eel (Anguilla japonica) J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-04 Olumide Samuel Olowe, Ali Hamidoghli, Wonsuk Choi, Jinho Bae, Yein Lee, Ewumi Azeez Folorunso, Seunghyung Lee, Sungchul C. Bai
Feed additives have attracted increased attention in aquaculture due to their ability to modulate fish gut microbiota, resulting in improved fish growth and immunity. This study assessed two synbiotics' effects in Japanese eels: Bacillus subtilis with mannooligosaccharide (MOS) and Enterococcus faecium with fructooligosaccharide (FOS). Six diets, including a control (CON), oxytetracycline (OTC), and
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Physiologic responses of Cownose Rays following freshwater dips for treatment of capsalid monogeneans J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-12-05 Amber M. Lum, Sarah N. Miller, Tonya M. Clauss, Chelsea E. Anderson
Two Cownose Rays Rhinoptera bonasus were presented for management of a severe capsalid monogenean infection Benedeniella posterocolpa in a mixed species habitat at an aquarium.
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Species-specific in situ hybridization confirms arrested development of Henneguya ictaluri in hybrid catfish (Channel Catfish × Blue Catfish) under experimental conditions, with notes on mixed-species infections in clinical cases of proliferative gill disease from Mississippi catfish aquaculture J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-11-15 Justin M. Stilwell, Alvin C. Camus, Ethan T. Woodyard, Cynthia Ware, Thomas G. Rosser, Mackenzie A. Gunn, Adrián López-Porras, Lester H. Khoo, David J. Wise, Matt J. Griffin
Proliferative gill disease (PGD) in Channel Catfish Ictalurus punctatus and hybrid catfish (Channel Catfish × Blue Catfish I. furcatus) is attributed to the myxozoan Henneguya ictaluri. Despite evidence of decreased H. ictaluri transmission and impaired parasite development in hybrid catfish, PGD still occurs in hybrid production systems. Previous metagenomic assessments of clinical PGD cases revealed
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Diagnosis of piscine francisellosis in Largemouth Bass from a public display exhibit in north-central Florida, USA J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-11-15 Amanda Sheehy, Khalid Shahin, Alvin Camus, Ruth Francis-Floyd, Roy Yanong, Susan Fogelson, Esteban Soto
The Largemouth Bass Micropterus salmoides is an important freshwater fish that is native to the southeastern United States and is cultured for conservation, food, and for the sports fishing industry. Francisella orientalis is a globally distributed bacterial pathogen of warmwater fish species and is associated with granulomatous inflammation and high mortalities. Outbreaks of piscine francisellosis
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Evidence for infection influencing survival of the freshwater copepod Salmincola californiensis, a parasite of Pacific salmon and trout J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-10-23 Christina A. Murphy, William Gerth, Travis Neal, Kelsi Antonelli, Justin L. Sanders, Trevor Williams, Ruben-Lee Roennfeldt, Rachel S. Crowhurst, Ivan Arismendi
We explore apparent infection of Salmincola californiensis arising during investigations involving this lernaeopodid copepod parasitic on Pacific salmon and trout Oncorhynchus spp.
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Flavobacterium covae is the predominant species of columnaris-causing bacteria impacting the Channel Catfish industry in the southeastern United States J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-10-20 Benjamin R. LaFrentz, Lester H. Khoo, Mark L. Lawrence, Lora Petrie-Hanson, Larry A. Hanson, Wes A. Baumgartner, William G. Hemstreet, Anita M. Kelly, Julio C. García, John P. Shelley, Amber E. Johnston, Timothy J. Bruce, Matt J. Griffin
Columnaris disease is a leading cause of disease-related losses in the catfish industry of the southeastern United States. The term “columnaris-causing bacteria” (CCB) has been coined in reference to the four described species that cause columnaris disease: Flavobacterium columnare, F. covae, F. davisii, and F. oreochromis. Historically, F. columnare, F. covae, and F. davisii have been isolated from
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Improvement of water quality with probiotics inclusion during simulated transport of Yellowfin Seabream Acanthopagrus latus larvae J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-10-16 Reza Gamoori, Ghasem Rashidian, Mina Ahangarzadeh, Mojtaba Najafabadi, Mehdi Dashtebozorg, Yaghoob Mohammadi, Vahid Morshedi
The expansion of marine aquaculture requires the shipment of early life stages from hatcheries to breeding centers. Thus, maintaining water quality parameters during transportation is crucial. This experiment investigated the effects of a commercial probiotic mixture (PM) (consisting of Bacillus licheniformis, Bacillus subtilis, Pediococcus acidilactici, and Lactobacillus acidophilus with a total count
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Detection of different Betanodavirus genotypes in wild fish from Spanish Atlantic coastal waters (Galicia, northwestern Spain) J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-10-03 Lucía Vázquez-Salgado, José G. Olveira, Carlos P. Dopazo, Isabel Bandín
The nervous necrosis virus (NNV; genus Betanodavirus) is an aquatic pathogen that is responsible for a neurological disease affecting marine fish. Despite its almost worldwide distribution, global warming could favor the spread of NNV to new areas, highlighting the importance of conducting epidemiological surveys on both wild and farmed marine fish species. In this study, we assessed NNV prevalence
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Myxobolus xiushanensis n. sp. (Myxozoa: Myxobolidae) infecting the gill arches of Yellowhead Catfish Tachysurus fulvidraco from China J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-09-28 Jinye Zhang, Miaomiao Wang, Luqi Tan, Yuanjun Zhao
Myxosporidiosis of bagrid fishes has been a focus of aquaculture research in recent years. The purpose of this study is to characterize a novel myxobolid, named Myxobolus xiushanensis n. sp., infecting Yellowhead Catfish Tachysurus fulvidraco in China.
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Oxidative response to accumulation of trace metals in tissue of two bivalves, the Asian green mussel Perna viridis and the blood cockle Tegillarca granosa, living in Pattani Bay, Thailand J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-09-27 Phanwimol Tanhan, Kanjana Imsilp, Niyada Lansubsakul, Sukalaya Tantiwisawaruji, Wachiryah Thong-asa
Using bivalves to indicate aquatic pollutants was favorable for discerning the negative effects of high levels of metal accumulation in tissue. We investigated the correlation between trace metal accumulation and the tissue oxidative response of two bivalves.
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Detection and virulence of Lactococcus garvieae and L. petauri from four lakes in southern California J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-09-25 Taylor Abraham, Zeinab Yazdi, Eric Littman, Khalid Shahin, Taylor I. Heckman, Eva Marie Quijano Cardé, Diem Thu Nguyen, Ruixue Hu, Mark Adkison, Tresa Veek, Kavery Mukkatira, Christine Richey, Kevin Kwak, Haitham H. Mohammed, Cesar Ortega, Ruben Avendaño-Herrera, William Keleher, Véronique LePage, Ian Gardner, Timothy J. Welch, Esteban Soto
The first objective of the study aimed to detect the presence of Lactococcus petauri, L. garvieae, and L. formosensis in fish (n = 359) and environmental (n = 161) samples from four lakes near an affected fish farm in California during an outbreak in 2020. The second objective was to compare the virulence of the Lactococcus spp. in Rainbow Trout Oncorhynchus mykiss and Largemouth Bass Micropterus salmoides
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Modeling the importance of fish condition, overall health, and disease on the fecundity of White Perch in the Choptank River J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-08-18 Jacob T. Shaner, Reginal M. Harrell, John M. Jacobs, Lance T. Yonkos, Howard Townsend
Modeling of fecundity with allometric, nutritional, and environmental covariates has increased sensitivity of reproductive metrics in many fish species. In estuaries with heavy anthropogenic influence, resident species often experience sublethal health impacts because of increased stress, which can include increases in gonadal pathology, intersex, or potential reproductive failure. This study models
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Identification and analysis of pathogenic bacteria causing outbreaks in Indian major carp aquaculture of Tripura J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-08-16 C. Laltlanmawia, Himadri Saha, Lija Ghosh, Ratan Kumar Saha, Supratim Malla
The objective of this study was to investigate bacterial disease outbreaks in Indian major carp from aquaculture systems in Tripura, India, and identify the bacterial species associated with those outbreaks.
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Metal–amino acid complexes (Zn, Se, Cu, Fe, and Mn) enhance immune response, antioxidant capacity, liver function enzymes, and expression of cytokine genes in Nile Tilapia reared under field conditions J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-07-28 Abdel-Fattah M. El-Sayed, Claudia Figueiredo-Silva, Salma M. S. Zeid, Sarah O. Makled
In the present study, we investigated the effects of partial or total replacement of dietary inorganic trace materials (ITM) with metal–amino acid complexes (MAACs) on immune response, antioxidant capacity, cytokine genes expression, and overall health status of Nile Tilapia Oreochromis niloticus reared in in-pond hapas (mesh cages) under field conditions.
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Effects of haloperidol on peripheral erythrocytes and brain neurotransmitter levels of juvenile African Sharptooth Catfish Clarias gariepinus J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-07-28 Chike Obinna Chiejina, Ifeanyi Mulumba Ikeh, Florence A. Enebe, Ifeanyi Oscar Aguzie, Malachy Nwigwe Okechukwu Ajima, Daoud Ali, Gokhlesh Kumar, Christopher Didigwu Nwani
The study investigated the effects of haloperidol on peripheral erythrocytes and brain neurotransmitter levels of juvenile African Sharptooth Catfish Clarias gariepinus.
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Identification and pathogenicity of multidrug-resistant Elizabethkingia miricola isolated from farmed American bullfrogs Rana catesbeiana in China with in vitro screening of herbal antimicrobial agents J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-06-18 Fangyuan Liu, Jiahao Hou, Fang Yu, Zemao Gu, Ruixue Hu
In 2021, an outbreak of an infectious disease characterized by torticollis, cataracts, and neurological disorders caused massive mortality in farmed American bullfrogs Rana catesbeiana in Hubei province, China. We identified the causal agent in this outbreak, characterized its pathogenicity, and screened candidate antimicrobial agents for future disease control.
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Histopathological alterations in the gonads of wild white clams Dosinia ponderosa inhabiting a former copper mine locality in the Gulf of California J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-05-26 Jessica F. Eraso-Ordoñez, Josué Alonso Yee-Duarte, Nefertiti Taydé Roldán-Wong, Manuel García-Ulloa, Andrés M. Góngora-Gómez, Marcial Arellano-Martínez
Prolonged exposure to heavy metals, such as Pb, Hg, or Cu, has multiple adverse effects on marine organisms at the cellular, physiological, and population levels. Bivalves' histopathology provides a sensitive biomarker of pollutant-induced stress and environmental health. Gonad tissue deterioration is of particular concern, as it affects the reproductive success of a species. This study aimed to examine
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Susceptibility of Pallid Sturgeon to viral hemorrhagic septicemia virus genotype IVb J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-05-26 Lacey R. Hopper, Jolene A. Glenn, Elizabeth MacConnell, James R. Winton, Eveline J. Emmenegger
Viral hemorrhagic septicemia virus (VHSV) is an aquatic rhabdovirus causing severe disease in freshwater and saltwater fish species. The susceptibility of endangered Pallid Sturgeon Scaphirhynchus albus to VHSV genotype IVb (VHSV-IVb) infection was investigated.
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Observations of fin injury closure in Great Hammerheads and implications for the use of fin-mounted geolocators J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-05-24 Vital Heim, R. Dean Grubbs, Matthew J. Smukall, Bryan S. Frazier, John K. Carlson, Tristan L. Guttridge
Sharks face a high risk of injuries throughout all life stages and are therefore expected to show a good wound closure capacity.
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Characterization of two tripartite motif-containing genes from Asian Seabass Lates calcarifer and their expression in response to virus infection and microbial molecular motifs J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-05-04 Krishnapriya Raji Sathyan, Avinash Premraj, Sajeevan Thavarool Puthiyedathu
We identified two tripartite motif (TRIM) genes, LcTRIM21 and LcTRIM39, from the Asian Seabass Lates calcarifer, and examined their responses to experimental betanodavirus infection and stimulation with microbial pathogen-associated molecular patterns.
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Efficacy of hydrogen peroxide to reduce Gyrodactylus species infestation density on four fish species J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-04-11 Maren T. Tuttle-Lau, Eric M. Leis, Aaron R. Cupp, Laura L. Peterman, Jillian L. Hebert, Richard A. Erickson, Susan M. Schleis, Mark P. Gaikowski
The ability to effectively treat parasitic infestations of fish is of high importance for fish culture facilities. However, tools or approved therapies for treating infestations on fish are limited. This paper summarizes results from four separate clinical field studies that evaluated the efficacy of hydrogen peroxide (H2O2; 35% PEROX-AID) for reducing Gyrodactylus spp. infestation density.
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Tissue and plasma enzyme activities and chemical analytes in Golden Trevally from a public aquarium J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-03-20 Kathryn Rapp, Sean Perry, Alexa Delaune, Justin Stilwell
Veterinary care of aquatic species, particularly fish, is limited by a lack of knowledge regarding their unique physiology. Tissue enzyme activities measured in plasma are used for assessing function and potential damage to specific organs and tracking disease progression in live animals. The objective of this study was to identify tissue(s) of origin and plasma concentrations for specific enzymes
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Tensile strength and knot security of five suture materials exposed to natural summer conditions of a temperate lake J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-03-18 Connor H. Reid, Steven J. Cooke
Wild fish and other aquatic ectotherms are often subjected to procedures during field research that require wound closure using sutures. A variety of absorbable sutures are available for such purposes, yet degradation processes are highly dependent on temperature, and the environments in which wild ectotherms are released are almost always colder than the conditions for which absorbable sutures are
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Effects of dietary phosphorus deficiency on the growth performance, hepatic lipid metabolism, and antioxidant capacity of Yellow River Carp Cyprinus carpio haematopterus J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-03-02 Shiyang Gao, Ping Sun, Hongtao Ren, Jialong Chen, Yi Shen, Zifeng Wang, Yuchao Huang, Weijun Chen
The study aimed to evaluate the effects of phosphorus (P) deficiency in diets on growth performance, hepatic lipid metabolism, and antioxidant capacity in Yellow River Carp Cyprinus carpio haematopterus.
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Elevated CO2 levels did not induce species- or tissue-specific damage in young-of-year salmonids J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-02-17 Emma M. Traynor, Caleb T. Hasler
The broad objective of our study was to use a histological approach to examine possible tissue-level effects of exposure to elevated CO2 in freshwater young-of-year salmonids.
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Cutaneous ulcerative lesions of unknown etiology affecting lionfish Pterois spp. in the Gulf of Mexico J. Aquat. Anim. Health (IF 1.2) Pub Date : 2023-01-27 Theresa T. Cody, Yasunari Kiryu, Micah D. Bakenhaster, Kuttichantran Subramaniam, Maki Tabuchi, Mohammad Shamim Ahasan, Holden E. Harris, Jan H. Landsberg, Thomas B. Waltzek, Alexander Q. Fogg, Colin Shea, Deborah B. Pouder, William F. Patterson, Meaghan E. Emory, Roy P. Yanong
Cutaneous ulcerative skin lesions in a complex of invasive Gulf of Mexico lionfish (Red Lionfish Pterois volitans, Devil Firefish P. miles, and the hybrid Red Lionfish × Devil Firefish) became epizootic beginning in mid-August 2017. Herein, we provide the first pathological descriptions of these lesions and summarize our analyses to elucidate the etiology of the disease.
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Nannochloropsis oculata supplementation improves growth, immune response, intestinal integrity, and disease resistance of Nile Tilapia J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-12-07 Mona Abd El-Khalek Salem, Rawia Saad Adawy, Viola Hassan Zaki, Eman Zahran
The current study evaluated the potential roles of incorporating Nannochloropsis oculata into the diet of Nile Tilapia Oreochromis niloticus in an 8-week trial.
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First isolation of Carnobacterium maltaromaticum from farmed Rainbow Trout in Virginia J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-11-21 Stephen A. Smith, Shelley J. Newman, Courtney E. Harrison, Thomas P. Loch
Carnobacterium maltaromaticum is considered an emerging pathogen of salmonids in the United States and around the world.
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Comparison of injection and immersion challenges of Renibacterium salmoninarum strains in Rainbow Trout J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-11-11 Tifani R. Watson, Timothy J. Bruce, Jie Ma, Kenneth D. Cain
Renibacterium salmoninarum is a pathogenic gram-positive bacterium and is the causative agent of bacterial kidney disease (BKD), a malady that mainly impacts salmonid species. Experimental challenges were conducted to assess the virulence and challenge route for select R. salmoninarum strains (CK-90 and ATCC 33739) in Rainbow Trout Oncorhynchus mykiss.
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Candida Manassasensis Infection in Mass Mortality Case of Siberian Sturgeon Acipenser Baerii Fingerlings in the Republic of Korea: A Case Report J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-10-08 Sang Wha Kim, Se Jin Han, Sib Sankar Giri, Sang Guen Kim, Jun Kwon, Sung Bin Lee, Se Chang Park
With the growing demand for caviar products, sturgeon (family Acipenseridae) have become some of the most popular species in the aquaculture industry. Since sturgeon need more than 10 years to become sexually mature, protection against fatal diseases becomes particularly important in the industry. In March 2018, approximately 10% of Siberian Sturgeon Acipenser baerii fingerlings in a sturgeon hatchery
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Molecular isolation and expression analysis of hemocyanin isoform 2 of Macrobrachium rosenbergii J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-10-07 Chutima Srisuk, Chanitcha Choolert, William G. Bendena, Siwaporn Longyant, Paisarn Sithigorngul, Parin Chaivisuthangkura
Hemocyanin is a copper-bearing protein in the hemolymph of many arthropods and mollusks and functions as an oxygen transport and important nonspecific immune protein.
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Isolation and Characterization of Aeromonas jandaei from Nile Tilapia in Lake Volta, Ghana, and Its Response to Antibiotics and Herbal Extracts J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-09-27 E. D. Abarike, R. A. Atuna, S. Agyekum, D. N. Akongyuure, E. H. Alhassan
Production of Nile Tilapia Oreochromis niloticus contributes to economic growth in many countries. However, there has been a decline in its production over the years due to the influx of bacterial infections, with Aeromonas jandaei as an emerging threat. In this study, we identified and characterized A. jandaei from cage-cultured Nile Tilapia in Akosombo Stratum II of Lake Volta in Ghana and evaluated
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A Review of Salinity's Impact on Relevant Aquatic Drug Approval Technical Sections J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-09-27 Shane Ramee
Currently, in the USA, there are no aquatic animal drugs approved for use in saltwater-reared finfish. As U.S. aquaculture expands into the marine environment, it is imperative to maximize the current knowledge base to make new approvals for saltwater use as efficient as possible. This article reviews literature relevant to how the saltwater environment may affect the Effectiveness, Target Animal Safety
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Expression profiling and inflammatory activation analysis of high-mobility group box 1 in Schizothorax prenanti J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-09-05 Defang Chen, Lu Lu, Hong Wang, Shuang Peng, Jiaxi Liu, Xin Zhang, Zhiqiong Li, Xiaoli Huang, Ping Ouyang, Lianshi Qu, Yi Geng
High-mobility group box 1 (HMGB1) is a highly conserved nuclear protein and participates in the immune response to pathogens in bony fish. In this study, the structure and function of HMGB1 in the cyprinid fish Schizothorax prenanti (SpHMGB1) were investigated.
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Use of computed tomography and magnetic resonance imaging to assess a case of spinal injury in a Showa koi Cyprinus carpio J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-09-02 Fred J. Torpy, Jessica R. Comolli, Karine P. Gendron, Abigail R. Armwood, Alvin C. Camus, Spencer P. Kehoe, Stephen J. Divers
A privately owned, 4-year-old female Showa koi (ornamental variant of Common Carp Cyprinus carpio) was presented for erratic swimming, air gasping, water spitting, and abnormal orientation in the water column. Initial physical examination revealed an obese patient with no external abnormalities except a small plaque localized to filaments on a right gill hemibranch.
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Evaluation of Francisella orientalis ΔpdpA as a Live Attenuated Vaccine against Piscine Francisellosis in Nile Tilapia J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-08-23 Fernanda de Alexandre Sebastião, John D. Hansen, Esteban Soto
Francisella orientalis is an important bacterial pathogen of marine and freshwater fish with worldwide distribution. Fish francisellosis is a severe subacute to chronic granulomatous disease, with high mortalities and high infectivity rates in cultured and wild fish. To date, there is no approved vaccine for this disease. In this study, we evaluated the efficacy of a defined F. orientalis pathogenicity
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Phenotypic differences between Edwardsiella piscicida and Edwardsiella anguillarum isolates in Japan J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-08-12 Hidehiro Sugiura, Kosuke Fukunishi, Hidemasa Kawakami, Masayuki Imajoh
Edwardsiella tarda has been regarded as the causative agent of edwardsiellosis in cultured marine and freshwater fish species in Japan. Our previous study genetically classified an E. tarda-like isolate from diseased Olive Flounder Paralichthys olivaceus as E. piscicida and that from diseased Red Seabream Pagrus major as E. anguillarum. This study aimed to understand the phenotypic differences between
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Pathological and Ultrastructural Characterization of an Edwardsiella ictaluri Triple hemR Mutant J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-05-19 Iman Ibrahim, Hossam Abdelhamed, Wes Baumgartner, Robert W. Wills, Walaa Awadin, Mahmoud Elbegawy, Mark L. Lawrence, Attila Karsi
Enteric septicemia of catfish, which is caused by Edwardsiella ictaluri, is detrimental to farmed Channel Catfish Ictalurus punctatus. The hemin receptor HemR is involved in binding and uptake of heme into bacteria. Here, we explored pathological and ultrastructural changes in catfish fry that were immunized with a triple hemR mutant of E. ictaluri and challenged with wild-type E. ictaluri (EiWT) 28 d
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Effects of Stocking Density on Stress, Hematological Responses, and Growth of Black Rockfish Sebastes schlegelii J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-05-18 Jang-Won Lee, Byung Hwa Min, Bokyung Lee, Kiyoung Kim, Minjung Yoon
The objective of the current study was to evaluate the effect of stocking density on juvenile Black Rockfish Sebastes schlegelii (average weight = 12 g) in terms of stress, hematological responses, and growth performance during a 4-month growth trial in a flow-through system. The initial stocking densities were 1.3 kg/m3 (low), 1.8 kg/m3 (medium), and 2.3 kg/m3 (high), and the final densities were
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Isolations of the Spring Viremia of Carp Virus in the Upper Mississippi River (USA), Including a New Host, the Quillback J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-05-08 Ryan Katona, Isaac Standish, Rebekah McCann, Sara Dziki, Jennifer Bailey, Corey Puzach, Janet Warg, Eric Leis, Kenneth Phillips
In July of 2018 and 2019, wild fish health surveys were conducted along the Wisconsin and Minnesota portions of the upper Mississippi River. Spring viremia of carp virus (SVCV) was isolated from Common Carp Cyprinus carpio as well as a newly identified host species, the Quillback Carpiodes cyprinus. Sanger sequencing of the gene encoding for the G protein revealed a high similarity of the Quillback
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Baseline Health and Nutritional Parameters of Wild Sand Tigers Sampled in Delaware Bay J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-04-19 Lisa A. Hoopes, Tonya Clauss, Bradley M. Wetherbee, Dewayne A. Fox
Species-specific hematological reference values are essential for diagnosis and treatment of disease and maintaining overall health of animals. This information is lacking for many species of elasmobranchs maintained in zoos and aquaria, thus reducing the effectiveness of care for these animals. Descriptive statistics and reference intervals were calculated for hematocrit and complete blood cell counts
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A Perspective: Molecular Detections of New Agents in Finfish—Interpreting Biological Significance for Fish Health Management J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-04-06 Theodore R. Meyers, Nora Hickey
The increased sensitivity of advanced molecular techniques greatly exceeds the sensitivities of traditional detection methods for infectious agents. This sensitivity causes difficulty in interpreting the biological significance of such detections in fish (and shellfish), especially when the agent(s) cannot be cultured in the laboratory. In the Pacific Northwest, including Canada and Alaska, molecular
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Probiotic Treatment Enhances Pre-feeding Larval Development and Early Survival in Zebrafish Danio rerio J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-03-21 Uthpala Padeniya, Earl T. Larson, Shafira Septriani, Arjay Pataueg, Akpoh Rhoda Kafui, Ekramul Hasan, Obodoefuna Somadina Mmaduakonam, Gun-Do Kim, Anley Teferra Kiddane, Christopher L Brown
The growth and development of healthy culture subjects are essential in increasing productivity in the aquaculture industry. A primary determinant of aquatic animal productivity is the ambient microbial population. If an aquatic animal's microbiome is diverse, with bacteria favoring beneficial over pathogenic species, the health and growth of the animal (i.e., fish or crustacean) can be substantially
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Antibacterial Activity and Mechanism of the Gallnut Water Extract against Vibrio parahaemolyticus J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-03-08 Chunying Yuan, Wenhao Zhan, Qingman Cui
Vibrio parahaemolyticus is an important pathogen causing pandemic diseases in marine animals and brings about severe economic losses in aquaculture worldwide. The emergence of multi-drug-resistant V. parahaemolyticus and the prohibition of antibiotics both require the development of new therapeutic agents with alternative action. In this study, the effect of gallnut Galla chinensis water extract (GWE)
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Acute Nitrite Exposure Induces Dysfunction and Oxidative Damage in Grass Carp Isolated Hemocytes J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-02-24 Ting-ting Zhang, Pin Ma, Xiao-yan Yin, Dong-ye Yang, Da-peng Li, Rong Tang
To evaluate the effects of nitrite on the oxidative damage of blood cells of Grass Carp Ctenopharyngodon idella, the isolated hemocytes were exposed to nitrite (0, 1, 10, or 100 mg/L) for up to 24 h. Hemoglobin (Hb) and methemoglobin (MetHb) concentrations, reactive oxygen species (ROS) and malondialdehyde (MDA) levels, mitochondrial membrane potential (∆Ψm), and antioxidant enzyme activity were assayed
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Recommendations and Action Plans to Improve Ex Situ Nutrition and Health of Marine Teleosts J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-02-24 Scott Williams, Michael Stoskopf, Ruth Francis-Floyd, Liz Koutsos, Ellen Dierenfeld, Todd Harmon, Eileen Cicotello, Donovan German, Kent Semmen, Jeffery Keaffaber, Francisco Olea-Popelka, Shannon Livingston, Kathleen Sullivan, Eduardo Valdes
The International Workshop for Ex-Situ Marine Teleost Nutrition and Health, hosted by Disney's Animals, Science and Environment in conjunction with the Comparative Nutrition Society, brought together over 50 animal experts and scientists representing 20 institutions to review current science and identify challenges of marine teleost nutrition and health. Invited speakers presented critical information
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Glucose and Lactate Reference Intervals for White Sturgeon and Evaluation of Two Point-of-Care Devices in Sturgeon Infected with Veronaea botryosa J. Aquat. Anim. Health (IF 1.2) Pub Date : 2022-01-11 Katharina B. Hagen, Kelly Marie Lima, June Ang, Federico Montealegre-Golcher, Flavio H. Alonso, Esteban Soto
White Sturgeon Acipenser transmontanus are cultured for human consumption as well as for conservation purposes. In this study, two commercially available portable devices for measuring glucose and lactate were compared to a benchtop analyzer and blood reference intervals were generated using heparin plasma collected from 43 healthy White Sturgeon yearlings. The generated normal ranges were used to
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Computed Tomographic Assessment of Hooking-Related Injuries in Recreationally Angled Blue Marlin J. Aquat. Anim. Health (IF 1.2) Pub Date : 2021-11-05 Emma L. Houck, Eli B. Cohen, Craig A. Harms, Brendan J. Runde, Paul J. Rudershausen, Jeffrey A. Buckel
Acute morbidity and mortality of marlins (family Istiophoridae) in hook-and-line fisheries have been studied; however, there has been little or no investigation of the skeletal injuries incurred from terminal tackles that could lead to decreased rates of postrelease survival. The objective of this study was to evaluate skeletal injuries in recreationally angled Atlantic Blue Marlin Makaira nigricans
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The Effect of Largemouth Bass Virus on Bass Populations in Kansas Impoundments J. Aquat. Anim. Health (IF 1.2) Pub Date : 2021-10-30 Vanessa Salazar, Jeff D. Koch, Ben C. Neely, Christopher J. Steffen, Ernesto Flores, Susan F. Steffen
Largemouth Bass virus (LMBV) first became a concern in Kansas when it was identified as a potential cause of decreased catch rates at Crawford State Fishing Lake in 2007. The discovery of LMBV in eight additional impoundments from 2008 to 2017 increased concern about the prevalence and effects of LMBV in Kansas. In response, the Kansas Department of Wildlife, Parks, and Tourism tested 25 Largemouth