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BL
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| Record Number
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887636
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| Main Entry
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Surai, Peter F.
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| Title & Author
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Selenium in poultry nutrition and health /\ Peter F. Surai.
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| Publication Statement
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Netherlands :: Wageningen Academic Publishers,, 2018.
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| Page. NO
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1 online resource :: illustrations (some color)
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| ISBN
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9086868657
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: 9789086868650
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9086863175
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9789086863174
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| Bibliographies/Indexes
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Includes bibliographical references and index.
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| Contents
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2.3 Selenocysteine: the functional selenium2.4 Glutathione peroxidases; 2.5 Glutathione peroxidase activity effectors; 2.6 GSH-Px and their biological roles; 2.7 Thioredoxin reductases as a major part of the thioredoxin system; 2.8 Iodothyronine deiodinases; 2.9 Other selenoproteins; 2.10 General conclusions; References; Chapter 3 Selenium in feed: organic selenium concept; 3.1 Introduction; 3.2 Selenium in soils and plants; 3.3 Selenium absorption and metabolism; 3.4 Selenium status and bioavailability; 3.5 Effectors of selenium absorption, metabolism and bioavailability
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3.6 Selenium sources for poultry3.7 Selenium-enriched yeast: pluses and minuses; 3.8 SeMet and OH-SeMet; 3.9 Chelated Se products; 3.10 Nano-Se products; 3.11 Conclusions; References; Chapter 4 Selenium deficiency in poultry; 4.1 Introduction; 4.2 Exudative diathesis; 4.3 Nutritional pancreatic atrophy; 4.4 Nutritional encephalomalacia; 4.5 Nutritional muscular dystrophy; 4.6 Impaired immunocompetence; 4.7 Impaired thyroid hormone metabolism; 4.8 Reduced fertility; 4.9 Reduced egg production and quality; 4.10 Decreased hatchability and increased embryonic mortality; 4.11 Conclusions
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6.9 Se-enriched eggs and meat as functional food6.10 Conclusions; References; Chapter 7 Selenium and immunity; 7.1 Introduction; 7.2 Immune system and its evaluation; 7.3 Phagocyte functions; 7.4 Antibody production; 7.5 Lymphocyte functions; 7.6 In vitro effects of selenium on immune cells; 7.7 Disease resistance; 7.8 Immunoprotective effects of Se in stress conditions; 7.9 Molecular mechanisms of immunomodulating properties of selenium; 7.10 Immunocommunication, free radicals and selenium; 7.11 Conclusions; References; Chapter 8 Antioxidant-prooxidant balance in the gut; 8.1 Introduction
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Intro; About the author; Table of contents; Preface; Abbreviations; Chapter 1 Antioxidant systems in animal body; 1.1 Introduction; 1.2 Free radicals and reactive oxygen and nitrogen species; 1.3 Three levels of antioxidant defence; 1.4 Superoxide dismutase in biological systems; 1.5 Superoxide dismutase in avian biology; 1.6 Other antioxidant mechanisms; 1.7 Oxidative stress and transcription factors; 1.8 Vitagene concept development; 1.9 Conclusions; References; Chapter 2 Molecular mechanisms of selenium action: selenoproteins; 2.1 Introduction; 2.2 The selenoprotein family
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| Abstract
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Selenium (Se) is an essential dietary trace element participating in the regulation of various physiological functions in humans, farm animals and poultry through its incorporation into a range of selenoproteins. Low Se content in main feed ingredients is a common problem worldwide and dietary Se supplementation is a current practise in poultry and farm animal nutrition. Recent research clearly proved that sodium selenite, used for the last 40 years as a feed supplement, is not an optimal form of Se. However, use of organic selenium in animal/poultry diets can help meeting Se requirement and m.
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| Subject
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Poultry-- Feeding and feeds.
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Selenium in animal nutrition.
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Selenium-- Health aspects.
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Selenium-- Physiological effect.
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Poultry-- Feeding and feeds.
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Selenium in animal nutrition.
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Selenium-- Health aspects.
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Selenium-- Physiological effect.
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TECHNOLOGY ENGINEERING-- Agriculture-- Animal Husbandry.
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| Dewey Classification
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636.08/52
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| LC Classification
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SF98.S4
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