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Histopathology - An Update

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ISBN: 9781789236866 9781789236873 Year: Pages: 166 DOI: 10.5772/intechopen.69367 Language: English
Publisher: IntechOpen
Subject: Pathology
Added to DOAB on : 2019-10-03 07:51:52

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This book, ""Histopathology-An Update"" is a comprehensive book that deals with the latest advances in the field of histopathology. This book will be of help to pathologists, clinicians and researchers in the latest update in histopathology of various organs.

Welfare of Cultured and Experimental Fishes

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ISBN: 9783039217106 9783039217113 Year: Pages: 132 DOI: 10.3390/books978-3-03921-711-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Animal Sciences
Added to DOAB on : 2019-12-09 11:49:16
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Welfare is a multidimensional concept that can be described as the state of an animal as it copes with the environment. Captive environments can impact farmed animals at different levels, especially fishes, considering their highly complex sensory world. Understanding the ethology of a species is therefore essential to address fish welfare, and the interpretation of behavioral responses in specific rearing contexts (aquaculture or experimental contexts) demands knowledge of their underlying physiological, developmental, functional, and evolutionary mechanisms. In natural environments, the stress response has evolved to help animals survive challenging conditions. However, animals are adapted to deal with natural stressors, while anthropogenic stimuli may represent stressors that fishes are unable to cope with. Under such circumstances, stress responses may be maladaptive and cause severe damage to the animal. As welfare in captivity is affected in multiple dimensions, multiple possible indicators can be used to assess the welfare state of individuals. In the past, research on welfare has been largely focusing on health indicators and predominantly based on physiological stress. Ethological indicators, however, also integrate the mental perspective of the individual and have been gradually assuming an important role in welfare research: behavioral responses to stressors are an early response to adverse conditions, easily observable, and demonstrative of emotional states. Many behavioral indicators can be used as non-invasive measurements of welfare in practical contexts such as aquaculture and experimentation. Presently, research in fish welfare is growing in importance and interest because of the growing economic importance of fish farming, the comparative biology opportunities that experimental fishes provide, and the increasing public sensitivity to welfare issues.

Image Processing Using FPGAs

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ISBN: 9783038979180 9783038979197 Year: Pages: 204 DOI: 10.3390/books978-3-03897-919-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Computer Science
Added to DOAB on : 2019-06-26 08:44:06
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This book presents a selection of papers representing current research on using field programmable gate arrays (FPGAs) for realising image processing algorithms. These papers are reprints of papers selected for a Special Issue of the Journal of Imaging on image processing using FPGAs. A diverse range of topics is covered, including parallel soft processors, memory management, image filters, segmentation, clustering, image analysis, and image compression. Applications include traffic sign recognition for autonomous driving, cell detection for histopathology, and video compression. Collectively, they represent the current state-of-the-art on image processing using FPGAs.

Mycotoxin Exposure and Related Diseases

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ISBN: 9783039287048 / 9783039287055 Year: Pages: 222 DOI: 10.3390/books978-3-03928-705-5 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Social Sciences --- Sociology
Added to DOAB on : 2020-06-09 16:38:57
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Mycotoxins are considered the most frequently occurring natural contaminants in human and animal diets. Considering their potential toxic and carcinogenic effects, mycotoxin exposure assessment has particular importance in the context of health risk assessment. The magnitude of a given exposure allows the derivation of the associated risk and the potential for the establishment of a disease. Although food ingestion is considered a major route of human exposure to mycotoxins, other contexts may also result in exposure, such as specific occupational environments where exposure to organic dust also occurs due to the handling of organic materials. Animals could be exposed to mycotoxins through consumption of contaminated feed, subsequently entering in the food chain and thus constituting a source of exposure to humans. Human biomonitoring is considered a new frontier for the establishment of the human internal exposure to mycotoxins. Although several studies have summarized the potential outcomes associated with mycotoxin exposure, major gaps in data remain in recognizing the mycotoxins that are the cause of diseases. This book contributes provides research that supports the anticipation of potential consequences of the exposure of humans and animals to mycotoxins, future risk assessments, and the establishment of preventive measures.

Family Iridoviridae Molecular and Ecological Studies of a Family Infecting Invertebrates and Ectothermic Vertebrates

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ISBN: 9783039215164 9783039215171 Year: Pages: 234 DOI: 10.3390/books978-3-03921-517-1 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology
Added to DOAB on : 2019-12-09 11:49:15
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Ranaviruses and other viruses within the family Iridoviridae, infect a wide range of ecologically and commercially important ectothermic vertebrates, i.e., bony fish, amphibians, and reptiles, and invertebrates, including agricultural and medical pests and cultured shrimp and crayfish, and are responsible for considerable morbidity and mortality. Understanding the impact of these various agents on diverse host species requires the combined efforts of ecologists, veterinarians, pathologists, comparative immunologists and molecular virologists. Unfortunately, investigators involved in these studies often work in discipline-specific silos that preclude interaction with others whose insights and approaches are required to comprehensively address problems related to ranavirus/iridovirus disease. Our intent here is to breakdown these silos and provide a forum where diverse researchers with a common interest in ranavirus/iridovirus biology can profitably interact. As a colleague once quipped, “Three people make a genius.” We are hoping to do something along those lines by presenting a collection of research articles dealing with issues of anti-viral immunity, identification of a potentially novel viral genus exemplified by erythrocytic necrosis virus, viral inhibition of innate immunity, identification of novel hosts for lymphocystivirus and invertebrate iridoviruses, and modelling studies of ranavirus transmission. Collectively these and others will exemplify the breadth of ongoing studies focused on this virus family.

Keywords

amphibians --- histopathology --- immunohistochemistry --- Mexico --- outbreak --- ranavirus --- risk assessment --- Iridoviridae --- frog virus 3 --- FV3 --- ranavirus --- immunofluorescence --- intracellular localization --- iridovirus --- ranavirus --- epidemiology --- antibody --- ELISA --- virus isolation --- prevalence --- native-fish conservation --- biosecurity --- endemic disease --- Unconventional T cell --- nonclassical MHC --- antiviral immunity --- interferon --- DIV1 --- SHIV --- CQIV --- Macrobrachium rosenbergii --- Macrobrachium nipponense --- Procambarus clarkii --- white head --- susceptible species --- viral load --- erythrocytic necrosis virus (ENV) --- viral erythrocytic necrosis (VEN) --- Pacific salmon --- Pacific herring --- British Columbia --- SHIV --- DIV1 --- Decapodiridovirus --- Exopalaemon carinicauda --- susceptibility --- host --- ISDL --- amphibian --- Ranavirus --- frog virus 3 --- mathematical models --- Bayesian inference --- viral immune evasion --- immunomodulators --- NF-?B --- Imd --- DNA virus --- host-pathogen interactions --- IIV-6 --- Rana grylio virus (RGV) --- iridovirus core proteins --- protein interaction --- aquatic animals --- cross-species transmission --- yeast two-hybrid (Y2H) --- co-immunoprecipitation (Co-IP) --- megalocytivirus --- iridovirus --- European chub --- Lymphocystis disease virus --- Artemia spp. --- viral infection --- Sparus aurata --- viral transmission --- eDNA --- Ranavirus --- Common frog --- Rana temporaria --- early detection --- virus surveillance --- n/a --- transmission modelling --- susceptible-infected (SI) models --- emerging infection --- ranavirosis --- Iridoviridae --- disease dynamics --- ranavirus --- virus binding --- heparan sulfate --- Andrias davidianus ranavirus --- Rana grylio virus --- envelope protein --- lizard --- bearded dragon --- Pogona vitticeps --- cricket --- Gryllus bimaculatus

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