Articles de revues : « Fish Pathology »

1

Humphrey, JD. « Fish Pathology ». Australian Veterinary Journal 80, n^o 6 (juin 2002) : 370. http://dx.doi.org/10.1111/j.1751-0813.2002.tb14791.x.

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Plumb, John A. « Fish pathology ». Fisheries Research 10, n^o 3-4 (janvier 1991) : 351–53. http://dx.doi.org/10.1016/0165-7836(91)90085-t.

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Coyne, John D. « FISH in Pathology ». International Journal of Surgical Pathology 20, n^o 4 (21 mai 2012) : 377. http://dx.doi.org/10.1177/1066896912446948.

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Johnson, G. « Book Review : Fish Pathology ». Veterinary Pathology 42, n^o 2 (mars 2005) : 236–37. http://dx.doi.org/10.1354/vp.42-2-236-a.

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Hollingworth, Chuck. « Fish Pathology, 3rd Edition ». Fish and Fisheries 3, n^o 2 (juin 2002) : 137. http://dx.doi.org/10.1046/j.1467-2979.2002.00072.x.

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Bruno, D. W. « Systemic pathology of fish ». Fisheries Research 9, n^o 2 (août 1990) : 187. http://dx.doi.org/10.1016/0165-7836(90)90064-3.

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Rohovec, J. S. « Fish and shellfish pathology ». Aquaculture 61, n^o 1 (mars 1987) : 76–78. http://dx.doi.org/10.1016/0044-8486(87)90340-1.

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Manera, M., P. Visciano, P. Losito et A. Ianieri. « Farmed Fish Pathology : Quality Aspects ». Veterinary Research Communications 27 (2003) : 695–98. http://dx.doi.org/10.1023/b:verc.0000014250.43833.17.

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Johnson, Gerald. « Book Review : Systemic Pathology of Fish ». Veterinary Pathology 27, n^o 3 (mai 1990) : 215–16. http://dx.doi.org/10.1177/030098589002700316.

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Tacon, A. G. J. « Lipid nutritional pathology in farmed fish ». Archiv für Tierernaehrung 49, n^o 1 (janvier 1996) : 33–39. http://dx.doi.org/10.1080/17450399609381861.

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Jobling, Malcolm. « R. J. Roberts (ed) : Fish pathology ». Aquaculture International 20, n^o 4 (9 juin 2012) : 811–12. http://dx.doi.org/10.1007/s10499-012-9552-2.

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Schwab, Manfred. « From fish to FISH : the comparative pathology of neuroblastomas in humans, mice and fish ». Journal of Cancer Research and Clinical Oncology 125, n^o 3-4 (1 avril 1999) : 141–49. http://dx.doi.org/10.1007/s004320050256.

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Kuznetsov, N. A., A. I. Kozlov, T. V. Kozlova et V. N. Dubinich. « INFECTIOUS FISH PATHOLOGY IN FRESHWATER BODIES OF BELARUS (REVIEW) ». Ecology and Animal World, n^o 1 (28 mai 2021) : 34–39. http://dx.doi.org/10.47612/2224-1647-2021-1-34-39.

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The article provides information on the detection of infectious pathology of fish in reservoirs and watercourses of Belarus. The infectious pathology of fish occurs regularly in the wild and fish pounds and in important in maintain-ing the health of fish.

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Vethaak, AD. « Gross pathology and histopathology in fish : summary ». Marine Ecology Progress Series 91 (1992) : 171–72. http://dx.doi.org/10.3354/meps091171.

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Alvarez-Pellitero, P., et A. Sitjá-Bobodilla. « Pathology of Myxosporea in marine fish culture ». Diseases of Aquatic Organisms 17 (1993) : 229–38. http://dx.doi.org/10.3354/dao017229.

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Pickering, A. D. « Endocrine-induced pathology in stressed salmonid fish ». Fisheries Research 17, n^o 1-2 (juin 1993) : 35–50. http://dx.doi.org/10.1016/0165-7836(93)90005-r.

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Measures, Lena N. « Epizootiology, pathology, and description of Eustrongylides tubifex (Nematoda : Dioctophymatoidea) in fish ». Canadian Journal of Zoology 66, n^o 10 (1 octobre 1988) : 2212–22. http://dx.doi.org/10.1139/z88-329.

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In Guelph Lake, a man-made reservoir in Ontario, Canada, prevalence of larval Eustrongylides tubifex in pumpkinseed (Lepomis gibbosus), rock bass (Ambloplites rupestris), and yellow perch (Perca flavescens) was 12.9% and mean intensity ranged from 1 to 1.8. Larvae were encapsulated on the mesentery of fish. Pumpkinseed and yellow perch were the important fish hosts in Guelph Lake as most larvae in these fish were alive. In contrast, 40% of larvae in rock bass were dead and calcified. Third- and fourth-stage larvae from naturally infected fish are described. Larvae in the three species of fish elicited a granulomatous inflammatory reaction. Attempts to transfer third-stage larvae from experimentally infected oligochaetes and third-stage larvae from naturally infected fish to laboratory-reared pumpkinseed were unsuccessful. Fourth-stage larvae from naturally infected fish were transferred successfully to pumpkinseed. Eutropic lakes such as Guelph Lake are particularly suitable enzootic areas because of the abundant populations of tubificid intermediate hosts and the presence of fish hosts such as pumpkinseed and perch. The advanced stage and development of larvae (to the fourth stage) in fish likely represents an adaptation for a parasite that occurs in a migratory host such as Common Mergansers (Mergus merganser), which frequent Guelph Lake for only about 1 month in spring and fall.

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Moreira, Márcio, Denise Schrama, Ana Paula Farinha, Marco Cerqueira, Cláudia Raposo de Magalhães, Raquel Carrilho et Pedro Rodrigues. « Fish Pathology Research and Diagnosis in Aquaculture of Farmed Fish ; a Proteomics Perspective ». Animals 11, n^o 1 (8 janvier 2021) : 125. http://dx.doi.org/10.3390/ani11010125.

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One of the main constraints in aquaculture production is farmed fish vulnerability to diseases due to husbandry practices or external factors like pollution, climate changes, or even the alterations in the dynamic of product transactions in this industry. It is though important to better understand and characterize the intervenients in the process of a disease outbreak as these lead to huge economical losses in aquaculture industries. High-throughput technologies like proteomics can be an important characterization tool especially in pathogen identification and the virulence mechanisms related to host-pathogen interactions on disease research and diagnostics that will help to control, prevent, and treat diseases in farmed fish. Proteomics important role is also maximized by its holistic approach to understanding pathogenesis processes and fish responses to external factors like stress or temperature making it one of the most promising tools for fish pathology research.

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Moreira, Márcio, Denise Schrama, Ana Paula Farinha, Marco Cerqueira, Cláudia Raposo de Magalhães, Raquel Carrilho et Pedro Rodrigues. « Fish Pathology Research and Diagnosis in Aquaculture of Farmed Fish ; a Proteomics Perspective ». Animals 11, n^o 1 (8 janvier 2021) : 125. http://dx.doi.org/10.3390/ani11010125.

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One of the main constraints in aquaculture production is farmed fish vulnerability to diseases due to husbandry practices or external factors like pollution, climate changes, or even the alterations in the dynamic of product transactions in this industry. It is though important to better understand and characterize the intervenients in the process of a disease outbreak as these lead to huge economical losses in aquaculture industries. High-throughput technologies like proteomics can be an important characterization tool especially in pathogen identification and the virulence mechanisms related to host-pathogen interactions on disease research and diagnostics that will help to control, prevent, and treat diseases in farmed fish. Proteomics important role is also maximized by its holistic approach to understanding pathogenesis processes and fish responses to external factors like stress or temperature making it one of the most promising tools for fish pathology research.

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Coffee, L. L., J. W. Casey et P. R. Bowser. « Pathology of Tumors in Fish Associated With Retroviruses ». Veterinary Pathology 50, n^o 3 (mars 2013) : 390–403. http://dx.doi.org/10.1177/0300985813480529.

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Gibson-Kueh, S., P. Netto, G. H. Ngoh-Lim, S. F. Chang, L. L. Ho, Q. W. Qin, F. H. C. Chua, M. L. Ng et H. W. Ferguson. « The Pathology of Systemic Iridoviral Disease in Fish ». Journal of Comparative Pathology 129, n^o 2-3 (août 2003) : 111–19. http://dx.doi.org/10.1016/s0021-9975(03)00010-0.

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Ferguson, H. W. « 20. KEYNOTE : Pathology of gill disease in fish ». Research in Veterinary Science 72 (avril 2002) : 7. http://dx.doi.org/10.1016/s0034-5288(02)90022-6.

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Boyce, Walter M., Evelyn A. Kazacos, Kevin R. Kazacos et Jeffery A. Engelhardt. « Pathology of Pentastomid Infections (Sebekia mississippiensis) in Fish ». Journal of Wildlife Diseases 23, n^o 4 (octobre 1987) : 689–92. http://dx.doi.org/10.7589/0090-3558-23.4.689.

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Zaiyana, Nurliza, Arif Sardi, Muhammad Ridwan Harahap, Rindhira Humairani, Epa Paujiah, Rumondang Rumondang et Ilham Zulfahmi. « Alteration in gills, skin, and fins of snakehead fish (Channa striata) due to ectoparasite infection : a macropathological and histopathological approach ». E3S Web of Conferences 339 (2022) : 01001. http://dx.doi.org/10.1051/e3sconf/202233901001.

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Snakehead fish (Channa striata) is a freshwater fish with high economic value both as ornamental and consumed fish. However, the ability to adapt to fluctuating environmental states prompts snakehead fish to be susceptible to parasites, ectoparasites, and endoparasites. Gills, skin, and fins are the major body parts that are often infected with ectoparasites. This study aims to discover the macro pathology in gills, skin, and fins of ectoparasites-infected snakehead fish and its histopathology. This study was conducted from April to June 2021. Observational data on macro pathology and histopathology were analyzed qualitatively. The results indicated that the macro pathology of the skin, gills, and fins of snakehead fish infected with ectoparasites indicates discoloration, excess mucus production, the dull coloration of the gills, and irritation of the gills body surfaces, and skin hemorrhages. In conclusion, infection of ectoparasites affects several alterations in the skin, gills, and fins, both macro pathological and histopathological.

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Waters, J. J., A. L. Barlow et C. P. Gould. « Demystified ... FISH ». Molecular Pathology 51, n^o 2 (1 avril 1998) : 62–70. http://dx.doi.org/10.1136/mp.51.2.62.

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Law, J. Mchugh. « Issues Related to the Use of Fish Models in Toxicologic Pathology : Session Introduction ». Toxicologic Pathology 31, n^o 1_suppl (janvier 2003) : 49–52. http://dx.doi.org/10.1080/01926230390174922.

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Ready or not, fish models are “here to stay.” No longer are fish confined to a few specialized laboratories, nor are they exclusively the purview of zoologists or environmental toxicologists. In fact, the institution that does not house at least 1 fish facility is probably not at the forefront of cutting edge research. In toxicologic pathology, fish models are increasingly being used to provide high animal numbers at relatively low cost in carcinogenicity testing and developmental research, and to provide mechanistic information on fundamental cellular processes. In this session, we attempt to provide some perspective for the pathologist that is faced with planning or performing experiments or testing protocols using fish models, or with reading or interpreting fish studies. First, we cover how to approach fish studies from the contract laboratory standpoint, including sectioning, quality control, and GLP considerations. Then, we discuss specifics on the use of the rainbow trout, zebrafish, and Japanese medaka models. The rainbow trout has a rich history in carcinogenicity and mechanistic cancer research. Similarly, the 2 workhorses in the small fish category, zebrafish and medaka, have found their way into many laboratories doing developmental biology and genomics research as well as carcinogenicity testing. Some fascinating genetically altered fish models have been developed with both of these species. This manuscript provides a session overview of the use of small fish models in toxicologic pathology, along with some historical perspective on how these models have played a role in the current state of the science.

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Khoo, Lester H., Andrew E. Goodwin, David J. Wise, William E. Holmes, Larry A. Hanson, James M. Steadman, Larry M. McIntyre et Patricia S. Gaunt. « The pathology associated with visceral toxicosis of catfish ». Journal of Veterinary Diagnostic Investigation 23, n^o 6 (novembre 2011) : 1217–21. http://dx.doi.org/10.1177/1040638711425577.

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Visceral toxicosis of catfish (VTC) syndrome was recognized in the late 1990s and recently has been associated with exposure to Clostridium botulinum type E neurotoxin. Tentative diagnosis is based on clinical presentation and gross findings, and is confirmed by bioassay. In April 2009, channel catfish ( Ictalurus punctatus) from 2 different farms presented with abnormal swimming behavior and mortalities. Nine fish were submitted to the Aquatic Research and Diagnostic Laboratory (Stoneville, Mississippi) for evaluation. Bacterial cultures from these fish were negative. Necropsy findings included intestinal intussusceptions, ascites, pale proximal intestines with engorged serosal blood vessels, splenic congestion, and a reticular pattern to the liver. Significant histopathologic findings were limited to cerebral, splenic, and hepatic congestion, splenic lymphoid depletion and perivascular edema, vascular dilation and edema of the gastrointestinal tract, and perivascular edema in the anterior and posterior kidneys. Intoxication from C. botulinum type E neurotoxin was suspected based on the clinical signs and lack of gross and microbiological evidence of an infectious disease process. The toxicosis was confirmed with a positive bioassay using serum collected from the submitted fish.

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Syafriadiman Syafriadiman. « Histo-pathology of the Vibrio alginolyticus bacteria on tiger grouper (Epinephelus fuscoguttatus Forskal) ». International Journal of Scientific Research Updates 4, n^o 1 (30 juillet 2022) : 096–102. http://dx.doi.org/10.53430/ijsru.2022.4.1.0094.

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The purpose of this study was to determine histo-pathology of bacterium V. alginolyticus against several tiger grouper fish organs. The pathogenicity test was carried out by injecting intramuscularly (IM) 0.1 ml of V. alginolyticus bacterial suspension with bacterial density of 107, 108, 109 cells/ml/fish and injected with 0.1 ml of PBS solution (phospate buffer solution) as a control. Results showed that bacterium V. alginolyticus causes degeneration, damage and structural changes in the tissues of gill organs, kidneys, liver, and brain of tiger grouper fish. Pathogenicity challenge tests also prove that this bacterium is a true pathogen for test animals. The degree of density of the suspension of pathogenic cells affects mortality and incubation period. The bacterial density of 107 cells/ml/fish has caused death of 33.33%, density of 108 cells/ml/fish causes’ death of 66.67%, and density of 109 cells/ml/fish causes death of 73.33%, while without bacteria (control) there is no death.

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Agius, C., et R. J. Roberts. « Melano-macrophage centres and their role in fish pathology ». Journal of Fish Diseases 26, n^o 9 (septembre 2003) : 499–509. http://dx.doi.org/10.1046/j.1365-2761.2003.00485.x.

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Tibiletti, M. G. « Interphase FISH as a new tool in tumor pathology ». Cytogenetic and Genome Research 118, n^o 2-4 (2007) : 229–36. http://dx.doi.org/10.1159/000108305.

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Sugiura, S. H., R. W. Hardy et R. J. Roberts. « The pathology of phosphorus deficiency in fish - a review ». Journal of Fish Diseases 27, n^o 5 (mai 2004) : 255–65. http://dx.doi.org/10.1111/j.1365-2761.2004.00527.x.

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Pękala-Safińska, Agnieszka. « Contemporary threats of bacterial infections in freshwater fish ». Journal of Veterinary Research 62, n^o 3 (23 octobre 2018) : 261–67. http://dx.doi.org/10.2478/jvetres-2018-0037.

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AbstractChanges occurring in freshwater ecosystems seem to be fundamental in the development of all microorganisms, including those pathogenic to fish. This has been especially evident in recent years during which dynamic variations in bacterial fish pathology have been observed. Gram-negative bacteria commonly known to be pathogenic to fish, likeAeromonasspp.,Flavobacteriumspp.,Pseudomonasspp., andShewanella putrefaciensare replaced by other species, which until now have not been known to be virulent or even conditionally pathogenic to fish. Nowadays, among these other speciesAcinetobacterspp.,Plesiomonas shigelloides,Sphingomonas paucimobilis, andStenotrophomonas maltophiliaare the most frequently isolated from fish exhibiting clinical signs of disease. Two Gram-positive bacteria have become pathogens of particular importance in fish pathology in Poland:Lactococcus garviaeandStreptococcus iniae. In addition, infections caused by the Gram-positive bacteriumKocuria rhizophilahave appeared in recent years. This bacterium has not been known until now to be pathogenic to fish. Therefore, this infection could be called an emergent disease.

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Uddin, Md Asek, MT Nur A. Sharmin Aktar, KM Abdul Halim, KM Hasanuzzaman et Md Ariful Islam. « Health and disease status of cultured Gulsha (Mystus Cavasius) at Mymensingh region of Bangladesh ». Research in Agriculture Livestock and Fisheries 7, n^o 1 (26 avril 2020) : 139–51. http://dx.doi.org/10.3329/ralf.v7i1.46842.

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A study was carried out for a period for four months from January to April 2019 in eight fish farms at Mymensingh region of Bangladesh. The principal objectives were to study the health status of gulsha in four months from eight farms in Mymensingh region as well as month wise pathological changes of various organs of gulsha through clinical and histopathological observations. Clinical signs of fish were reddish lesion and mild injured in different parts of body, abrasion, whitish spots etc. Gills of fish showed more pathological changes than skin, muscle and liver. Histopathologically, gills of all fish species were more affected in Nuha Aqua Farm than other seven fish farms of Mymensingh in January and February. General gill pathology of the fishes was lamellar missing, haemorrhage and hypertrophy. Pathology of skin and muscle of the fishes from different farms included epidermal missing, necrosis, vacuum and loss of muscle. Fat bodies, necrosis, vacuum and haemorrhage were the common pathology of liver in the fishes from sampled farms of Mymensingh. Mainly fat bodies, vacuum and necrosis were found in Sharnalata Agro Fisheries, Relience Aqua Farm, Nuha Aqua Farm and Manju Aqua Farm. On the contrary, haemorrhage and necrosis were noticed in Chan Mia Fish Farm, Fish Seed Multiplication Farm; Maskanda and Setu Hatchery and Aquaculture in Tarakanda. In the months of March and April different organs of gulsha fish like gill, skin, muscle and liver were recorded almost normal structure from sampled fish farms. Fish were found to be affected during colder months of January and February. But, during March and April most of the fish were found normal and healthy. From field and laboratory observations it was revealed that the study area had potentiality for gulsha culture, although necessary measures need to be taken especially during winter season. Res. Agric., Livest. Fish.7(1): 139-151, April 2020

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Hollamby, Simon, Josephine Afema-Azikuru, James G. Sikarskie, John B. Kaneene, John N. Stuht, Scott D. Fitzgerald, William W. Bowerman et al. « CLINICAL PATHOLOGY AND MORPHOMETRICS OF AFRICAN FISH EAGLES IN UGANDA ». Journal of Wildlife Diseases 40, n^o 3 (juillet 2004) : 523–32. http://dx.doi.org/10.7589/0090-3558-40.3.523.

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Manchanayake, Tilusha, Annas Salleh, Mohammad Noor Azmai Amal, Ina Salwany Md Yasin et Mohd Zamri-Saad. « Pathology and pathogenesis of Vibrio infection in fish : A review ». Aquaculture Reports 28 (février 2023) : 101459. http://dx.doi.org/10.1016/j.aqrep.2022.101459.

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Littleton, Judith, et Bruno Frohlich. « Fish-eaters and farmers : Dental pathology in the Arabian Gulf ». American Journal of Physical Anthropology 92, n^o 4 (décembre 1993) : 427–47. http://dx.doi.org/10.1002/ajpa.1330920403.

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Archipenko, A. L., M. V. Berenshteyn, A. V. Ukhabotina, I. I. Fomochkina et E. S. Nuriddinova. « MOLECULAR-GENETIC APPROACHES TO DIAGNOSTICS OF HEREDITARY PATHOLOGY ». Crimea Journal of Experimental and Clinical Medicine 11, n^o 2 (2022) : 64–74. http://dx.doi.org/10.37279/2224-6444-2021-11-2-64-74.

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Today, the problem of timely diagnosis of fetal genetic disorders is especially urgent for the medical community. At the moment, the most effective are molecular-genetic methods - a large and diverse group of methods designed to detect damage in the structure of a DNA section up to deciphering the primary sequence of bases. The emergence of molecular-genetic methods has opened up a new dimension in the study of human chromosomes and their viola- tion - the submicroscopic level. The main studies used by healthcare professionals are: determination of the karyo- type; study of the material of missed pregnancies; examination of oocytes and spermatozoa; prenatal invasive and non-invasive diagnostics; genetic counseling. The method of fluorescence in situ hybridization (FISH), allows you to objectively identify the nucleotide composition of a particular chromosome or locus. FISH assays are important for the clinical diagnosis of various chromosomal abnormalities, including deletions, duplications, and translocations.

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Kumalasari, Nurul, Gunanti Mahasri et Sri Subekti. « Effect of Red Ginger (Zingiber officinale Rosc.) Juice on Changes in the Anatomical Pathology of Gills and Amount of Blood Erythrocytes of Koi Fish (Cyprinus carpio koi) Infected by Myxobolus koi ». Journal of Marine and Coastal Science 9, n^o 1 (15 juillet 2020) : 1. http://dx.doi.org/10.20473/jmcs.v9i1.20754.

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Koi fish commodities have business prospects that can be developed through aquaculture activities in ponds, but in aquaculture, there are often obstacles that are encountered and difficult to control. One obstacle that is difficult to control in the presence of disease attacks caused by parasites. One type of parasite that often attacks koi fish is Myxobolus. Zingiber officinale Rosc. or commonly referred to as red ginger has several properties for the treatment of parasites such as Myxobolus koi, which infects the gills of koi fish. The purpose of this study was to determine the effect of giving red ginger juice (Zingiber officinale Rosc.) To changes in anatomic pathology and the amount of erythrocyte blood of koi fish infected with Myxobolus koi. This study uses a completely randomized design method with six treatments and four replications. The treatments used were different concentrations of red ginger juice that were negative control P1 (healthy fish), positive control P2 (without red ginger juice), P3 (0.1%), P4 (0.2%), P5 (0.3 %) and P6 (0.4%). Pathology scoring data obtained were analyzed using Kruskal Wallis, then followed by an Independent Two-Sample Test, data on the number of erythrocytes obtained were analyzed using ANOVA and then followed by Duncan's Multiple Range Test. The results showed that the administration of red ginger juice gave effect to changes in anatomic pathology and total blood erythrocytes of koi fish infected with Myxobolus. Based on these data, the highest anatomic pathology changes were found in the administration of red ginger concentration of 0.4% with a ranking of 11 and based the on scoring of 2 and the highest average number of erythrocytes found in the treatment of red ginger concentration of 0.4% with an average 14.9 x 105 cells / mm3.

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Hedrick, Ronald P., et John L. Fryer. « Fish tissue cultures ». Journal of Tissue Culture Methods 16, n^o 2 (juin 1994) : 85. http://dx.doi.org/10.1007/bf01404815.

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Martín, Verónica, Carla Mavian, Alberto López Bueno, Antonio de Molina, Eduardo Díaz, Germán Andrés, Antonio Alcami et Alí Alejo. « Establishment of a Zebrafish Infection Model for the Study of Wild-Type and Recombinant European Sheatfish Virus ». Journal of Virology 89, n^o 20 (5 août 2015) : 10702–6. http://dx.doi.org/10.1128/jvi.01580-15.

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Amphibian-like ranaviruses include pathogens of fish, amphibians, and reptiles that have recently evolved from a fish-infecting ancestor. The molecular determinants of host range and virulence in this group are largely unknown, and currently fish infection models are lacking. We show that European sheatfish virus (ESV) can productively infect zebrafish, causing a lethal pathology, and describe a method for the generation of recombinant ESV, establishing a useful model for the study of fish ranavirus infections.

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Macechko, P. Timothy, Harry van Keulen, Edward L. Jarroll, Thomas Mulgrew, Andrew Gurien et Stanley L. Erlandsen. « Detection of Giardia Trophozoites in Archival Pathology Specimens of Human Small Intestine ». Microscopy and Microanalysis 4, n^o 4 (août 1998) : 397–403. http://dx.doi.org/10.1017/s1431927698980370.

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The examination of archival pathology specimens of human small intestine by light microscopy, field emission scanning electron microscopy (FESEM), and confocal scanning laser microscopy using fluorescent in situ hybridization (FISH) techniques was undertaken to better understand the epidemiology of Giardia. Giardia trophozoites were tentatively identified in the light microscope after hematoxylin and eosin (H&E) staining. The organisms were adherent to the intestinal epithelium where they were also associated with strands of mucus within the lumen. Fluorochrome-conjugated antisense oligonucleotide probes, developed for the 16S rRNA of Giardia lamblia and Giardia muris, were used in FISH experiments with confocal scanning laser microscopy. Positive identification of trophozoites could be obtained with the G. lamblia probe, but not with the G. muris probe. FESEM examination of serial sections adjacent to FISH-stained sections revealed trophozoites characterized by their morphological features. The 16S rDNA probes specifically distinguished different species of Giardia, but whether multiple infections can occur within an individual host could not be determined.

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Côté, Gilbert B. « Nuclear FISH ». Diagnostic Molecular Pathology 18, n^o 2 (juin 2009) : 119–24. http://dx.doi.org/10.1097/pdm.0b013e31817dfc65.

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Abraham, Thangapalam Jawahar, Prakash Kumar Mallick, Harresh Adikesavalu et Sayani Banerjee. « Pathology of Edwardsiella tarda infection in African catfish, Clarias gariepinus (Burchell 1822), fingerlings ». Archives of Polish Fisheries 23, n^o 3 (1 septembre 2015) : 141–48. http://dx.doi.org/10.1515/aopf-2015-0016.

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AbstractEdwardsiella tarda is one of the serious fish pathogens infecting both cultured and wild fish species. This study aimed to assess the phenotypic characterization and pathogenicity of E. tarda isolated from Clarias gariepinus (Burchell) with dropsy and histopathological alterations. The causative agent was identified with Vitek 2, and its pathogenicity was determined by intramuscular injection. The challenged catfish exhibited vertical hanging, frothing, excess mucus production, listing, swollen abdomen, anorexia, fin and tail rot, and reddish operculum. The LD50of E. tarda PBB and PBP strains was found to be 8.52 × 106and 1.68 × 107cells fish-1, respectively. Histopathological observations on catfish infected naturally revealed lymphocyte infiltration in muscle and focal necrosis, hyperplasia, edema, and swelling of the gill lamellar epithelium. The kidney of diseased fish exhibited ischemic type tubulopathy, necrosis of nephritic tubules, hyperplastic hematopoietic tissue, rupture of the tubular basement membrane, hydropic dystrophy of nephritic cells, neutrophil infiltration, fibrinoid necrosis of nephretic tubules, hemosiderin deposition, and edema. The liver sections revealed lymphocyte infiltration, dilation of hepatic sinusoids, expansion of space between hepatic sinusoids, and focal necrosis. The inflammatory responses observed in kidney and liver in the present study were presumably suppuration and were attributed to the potential virulence factors of E. tarda.

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Stewart, A., R. Hunt, R. Mitchell, V. Muhawenimana, C. A. M. E. Wilson, J. A. Jackson et J. Cable. « The cost of infection : Argulus foliaceus and its impact on the swimming performance of the three-spined stickleback ( Gasterosteus aculeatus ) ». Journal of The Royal Society Interface 15, n^o 147 (octobre 2018) : 20180571. http://dx.doi.org/10.1098/rsif.2018.0571.

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For fish, there can be multiple consequences of parasitic infections, including the physical impacts on swimming and the pathological costs of infection. This study used the three-spined stickleback ( Gasterosteus aculeatus ) and the ectoparasitic fish louse, Argulus foliaceus , to assess both physical (including form drag and mass) and pathological effects of infection. Both sustained (prolonged swimming within an open channel flume) and burst (C-start) swimming performance were measured on individual fish before (trials 1–2) and after infection (trials 3–5). Experimental infection occurred shortly before the third trial, when the physical impacts of infection could be separated from any subsequent pathology as transmission of adult parasites causes instantaneous drag effects prior to observable pathology. Despite the relatively large size of the parasite and corresponding increase in hydrodynamic drag for the host, there were no observable physical effects of infection on either sustained or burst host swimming. By contrast, parasite-induced pathology is the most probable explanation for reduced swimming performance across both tests. All sticklebacks displayed a preference for flow refugia, swimming in low-velocity regions of the flume, and this preference increased with both flow rate and infection time. This study suggests that even with large, physically demanding parasites their induced pathology is of greater concern than direct physical impact.

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E., Golomazou, et Karanis P. « Cryptosporidium Species in Fish : An Update ». Environmental Sciences Proceedings 2, n^o 1 (11 août 2020) : 13. http://dx.doi.org/10.3390/environsciproc2020002013.

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Cryptosporidium species have been detected in fish, in a wide range of geographical regions. Currently, three species are genetically characterized as piscine-host-specific: C. molnari, C. scophthalmi, C. huwi. One potential novel species, 23 additional piscine genotypes, other non-piscine-host-specific Cryptosporidium species (C. parvum, C. hominis, C. scrofarum, C. xiaoi) and the rat genotype III have been genetically characterized in fish. The pathology of cryptosporidiosis is very important for the aquaculture industry, causing mortalities in farmed fish, while the presence of Cryptosporidium zoonotic subtypes in edible fish increases the fish-borne zoonotic potential risk, which is of major importance from a public health point of view.

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PEGG, J., D. ANDREOU, C. F. WILLIAMS et J. R. BRITTON. « Temporal changes in growth, condition and trophic niche in juvenile Cyprinus carpio infected with a non-native parasite ». Parasitology 142, n^o 13 (23 septembre 2015) : 1579–87. http://dx.doi.org/10.1017/s0031182015001237.

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SUMMARYIn host–parasite relationships, parasite prevalence and abundance can vary over time, potentially impacting how hosts are affected by infection. Here, the pathology, growth, condition and diet of a juvenile Cyprinus carpio cohort infected with the non-native cestode Bothriocephalus acheilognathi was measured in October 2012 (end of their first summer of life), April 2013 (end of first winter) and October 2013 (end of second summer). Pathology revealed consistent impacts, including severe compression and architectural modification of the intestine. At the end of the first summer, there was no difference in lengths and condition of the infected and uninfected fish. However, at the end of the winter period, the condition of infected fish was significantly reduced and by the end of their second summer, the infected fish were significantly smaller and remained in significantly reduced condition. Their diets were significantly different over time; infected fish consumed significantly higher proportions of food items <53 µm than uninfected individuals, a likely consequence of impaired functional traits due to infection. Thus, the sub-lethal impacts of this parasite, namely changes in histopathology, growth and trophic niche were dependent on time and/or age of the fish.

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Mineev, A. K. « Pathology of gonads in commercial fish species of the Saratov reservoir ». "Veterinary Medicine" Journal 25, n^o 7 (juillet 2022) : 56–60. http://dx.doi.org/10.30896/0042-4846.2022.25.7.56-60.

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Mineev, A. K. « Liver pathology in two commercial fish species of the Kuibyshev reservoir ». "Veterinary Medicine" Journal 25, n^o 08 (août 2022) : 52–56. http://dx.doi.org/10.30896/0042-4846.2021.25.8.52-56.

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OGAWA, KAZUO. « The 5th International Symposium of the Japanese Society for Fish Pathology ». NIPPON SUISAN GAKKAISHI 75, n^o 2 (2009) : 272–73. http://dx.doi.org/10.2331/suisan.75.272.

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Morimoto, M., M. A. Zern, A. L. Hagbjork, M. Ingelman-Sundberg et S. W. French. « Fish Oil, Alcohol, and Liver Pathology : Role of Cytochrome P450 2E1 ». Experimental Biology and Medicine 207, n^o 2 (1 novembre 1994) : 197–205. http://dx.doi.org/10.3181/00379727-207-43807.

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