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Author: Peter F. Surai
Publisher:
ISBN: 9781897676950
Category : Antioxidants
Languages : en
Pages : 0
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Book Description
The main aim of this volume is to provide up-to-date information about natural antioxidants in relation to avian physiology, nutrition and reproduction. A comparison with farm animals and humans is made where appropriate.
Author: Peter F. Surai
Publisher:
ISBN: 9781897676950
Category : Antioxidants
Languages : en
Pages : 0
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Book Description
The main aim of this volume is to provide up-to-date information about natural antioxidants in relation to avian physiology, nutrition and reproduction. A comparison with farm animals and humans is made where appropriate.
Author: Tony D. Williams
Publisher: Princeton University Press
ISBN: 1400842794
Category : Science
Languages : en
Pages : 389
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Book Description
Physiological Adaptations for Breeding in Birds is the most current and comprehensive account of research on avian reproduction. It develops two unique themes: the consideration of female avian reproductive physiology and ecology, and an emphasis on individual variation in life-history traits. Tony Williams investigates the physiological, metabolic, energetic, and hormonal mechanisms that underpin individual variation in the key female-specific reproductive traits and the trade-offs between these traits that determine variation in fitness. The core of the book deals with the avian reproductive cycle, from seasonal gonadal development, through egg laying and incubation, to chick rearing. Reproduction is considered in the context of the annual cycle and through an individual's entire life history. The book focuses on timing of breeding, clutch size, egg size and egg quality, and parental care. It also provides a primer on female reproductive physiology and considers trade-offs and carryover effects between reproduction and other life-history stages. In each chapter, Williams describes individual variation in the trait of interest and the evolutionary context for trait variation. He argues that there is only a rudimentary, and in some cases nonexistent, understanding of the physiological mechanisms that underpin individual variation in the major reproductive life-history traits, and that research efforts should refocus on these key unresolved problems by incorporating detailed physiological studies into existing long-term population studies, generating a new synthesis of physiology, ecology, and evolutionary biology.
Author: Peter Surai
Publisher: BRILL
ISBN: 9004698698
Category : Technology & Engineering
Languages : en
Pages : 614
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Book Description
Selenium (Se) is an essential dietary trace element participating in the regulation of various physiological functions in humans and farm animals 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 practice in ruminant nutrition. Recent research clearly proved that sodium selenite, used for the last 50 years as a feed supplement, is not an optimal form of Se. However, use of organic selenium in dairy and beef diets can help meet Se requirement and maintain health/high immunocompetence, productive and reproductive performance. The goal of this book is to provide up-to-date information about the roles of Se in ruminant nutrition and health. A special emphasis is given to the role of selenium as an essential part of the integrated antioxidant system. The concept of using organic Se in ruminant nutrition is described in detail with emphasis on selenomethionine as a storage form of Se in the body. Also, specific Se deficiency-related disorders in ruminants are described and the importance of Se in growth, development, immunity and reproduction is demonstrated. Molecular mechanisms of protective effects of Se under stressful conditions of commercial milk and meat production are characterized. This book will be of practical importance to dairy and beef producers, to nutritionists and vets as well as for animal scientists, students of agricultural colleges and universities. It will also be of interest for researchers in areas related to environmental sciences, food sciences, physiology, etc.
Author: Bernd Kaspers
Publisher: Academic Press
ISBN: 0123972728
Category : Medical
Languages : en
Pages : 456
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Book Description
The second edition of Avian Immunology provides an up-to-date overview of the current knowledge of avian immunology. From the ontogeny of the avian immune system to practical application in vaccinology, the book encompasses all aspects of innate and adaptive immunity in chickens. In addition, chapters are devoted to the immunology of other commercially important species such as turkeys and ducks, and to ecoimmunology summarizing the knowledge of immune responses in free-living birds often in relation to reproductive success. The book contains a detailed description of the avian innate immune system, encompassing the mucosal, enteric, respiratory and reproductive systems. The diseases and disorders it covers include immunodepressive diseases and immune evasion, autoimmune diseases, and tumors of the immune system. Practical aspects of vaccination are examined as well. Extensive appendices summarize resources for scientists including cell lines, inbred chicken lines, cytokines, chemokines, and monoclonal antibodies. The world-wide importance of poultry protein for the human diet, as well as the threat of avian influenza pandemics like H5N1 and heavy reliance on vaccination to protect commercial flocks makes this book a vital resource. This book provides crucial information not only for poultry health professionals and avian biologists, but also for comparative and veterinary immunologists, graduate students and veterinary students with an interest in avian immunology. - With contributions from 33 of the foremost international experts in the field, this book provides the most up-to-date review of avian immunology so far - Contains a detailed description of the avian innate immune system reviewing constitutive barriers, chemical and cellular responses; it includes a comprehensive review of avian Toll-like receptors - Contains a wide-ranging review of the "ecoimmunology" of free-living avian species, as applied to studies of population dynamics, and reviews methods and resources available for carrying out such research
Author: J. Eduardo P. W. Bicudo
Publisher: Oxford University Press
ISBN: 0199228442
Category : Language Arts & Disciplines
Languages : en
Pages : 334
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Book Description
Examining avian physiology in detail, this text specifically addresses the unique physiological characteristics of birds, although experimental techniques and future research directions are also considered.
Author: David Costantini
Publisher: Springer Science & Business Media
ISBN: 3642546633
Category : Science
Languages : en
Pages : 359
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Book Description
This book discusses oxidative stress and hormesis from the perspective of an evolutionary ecologist or physiologist. In the first of ten chapters, general historical information, definitions, and background of research on oxidative stress physiology, hormesis, and life history are provided. Chapters 2-10 highlight the different solutions that organisms have evolved to cope with the oxidative threats posed by their environments and lifestyles. The author illustrates how oxidative stress and hormesis have shaped diversity in organism life-histories, behavioral profiles, morphological phenotypes, and aging mechanisms. The book offers fascinating insights into how organisms work and how they evolve to sustain their physiological functions under a vast array of environmental conditions.
Author: Gregory Demas
Publisher: OUP USA
ISBN: 0199737347
Category : Medical
Languages : en
Pages : 649
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Book Description
This book critically reviews recent advances in ecoimmunology, a newly emergent, interdisciplinary research field that examines interactions among host physiology and disease ecology in a wide range of environmentally relevant contexts.
Author: J.A. Taylor-Pickard
Publisher: BRILL
ISBN: 9086865690
Category : Technology & Engineering
Languages : en
Pages : 196
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Book Description
"Continued genetic development of pigs and poultry has been the foundation of profitable production within a competitive market. However, the challenges of these production increases have undoubtedly taken their toll on reproductive function in all breeding livestock, with the incidence of infertility increasing at an alarming rate. For example, it has recently been estimated that over 40% of sows are culled due to fertility problems, compared to just 12% with feet and leg issues. This edited collection of papers is taken from a series of seminars, devoted to bringing together some of the world’s leading authorities in the field of pig and poultry reproduction. The fundamental aim being to re-examine the current trends in productivity in the pig and poultry industries, and to identify nutritional means to improve fertility. It considers the effects of essential nutrients in optimising productivity, and discusses innovative applications of nutrition that will help to enhance fertility. The success of such innovations within entrepreneurial integrated systems is also covered, together with the importance of producing a quality chick and piglet at birth/hatching. Finally, the role of management and the need for least cost production is discussed. Nutritional Approaches to Arresting the decline in Fertility of Pigs and Poultry is aimed at nutritionists and animal producers as well as students and researchers studying animal and applied biological sciences."
Author: Katarzyna Chojnacka
Publisher: John Wiley & Sons
ISBN: 1119133777
Category : Science
Languages : en
Pages : 588
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Book Description
Comprehensive and multidisciplinary presentation of the current trends in trace elements for human, animals, plants, and the environment This reference provides the latest research into the presence, characterization, and applications of trace elements and their role in humans, animals, and plants as well as their use in developing novel, functional feeds, foods, and fertilizers. It takes an interdisciplinary approach to the subject, describing the biological and industrial applications of trace elements. It covers various topics, such as the occurrence, role, and monitoring of trace elements and their characterization, as well as applications from the preliminary research to laboratory trials. Recent Advances in Trace Elements focuses on the introduction and prospects of trace elements; tackles environmental aspects such as sources of emission, methods of monitoring, and treatment/remediation processes; goes over the biological role of trace elements in plants, animals, and human organisms; and discusses the relevance of biomedical applications and commercialization. A compendium of recent knowledge in interdisciplinary trace element research Uniquely covers production and characterization of trace elements, as well as the industrial and biomedical aspects of their use Paves the way for the development of innovative products in diverse fields, including pharmaceuticals, food, environment, and materials science Edited by well-known experts in the field of trace elements with contributions from international specialists from a wide range of areas Unique in presenting comprehensive and multidisciplinary information of the key aspects of trace elements research in a digestible form, this book is essential reading for the novice and expert in the fields of environmental science, analytical chemistry, biochemistry, materials science, pharmaceutical science, nutraceutical, and pharmaceutical sciences. It is also valuable for companies that implement new products incorporating trace elements to the market.
Author: David Costantini
Publisher: Springer Nature
ISBN: 3031651839
Category :
Languages : en
Pages : 429
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Book Description
