دانلود کتاب Selenium in poultry nutrition and health

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Content: 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 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 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 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