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Author: Tomohiro Sasanami Publisher: Springer ISBN: 9811039755 Category : Science Languages : en Pages : 214
Book Description
This book provides everything from basic knowledge to the recent understandings of avian reproductive physiology, covering many unique aspects. It will inspire avian biologists as well as researchers in varied fields and will offer important steps towards better fertilization success in birds.In spite of the recent remarkable developments in modern technology, a comprehensive understanding of the reproductive mechanisms is still far in the future due to the diverse reproductive tactics in vertebrates. Birds have highly refined reproductive strategies and some of those strategies are unique to birds. However, together with ongoing progress of the genome analysis of birds and the crying need for further increase in meat and egg production, research on avian reproduction is now accelerating and becoming more important.With contributions by leading scientists, the book explains avian primordial germ cells; the sex-determining mechanism; reproductive endocrinology and immunology; sperm, egg, and egg coat; sperm–egg interaction; polyspermic fertilization; seasonal reproduction; social triggers; hormonal and behavioral changes; broodiness; oviductal sperm storage; and biotechnology. This book is recommended for all researchers and students who are interested in birds or reproduction.
Author: Tomohiro Sasanami Publisher: Springer ISBN: 9811039755 Category : Science Languages : en Pages : 214
Book Description
This book provides everything from basic knowledge to the recent understandings of avian reproductive physiology, covering many unique aspects. It will inspire avian biologists as well as researchers in varied fields and will offer important steps towards better fertilization success in birds.In spite of the recent remarkable developments in modern technology, a comprehensive understanding of the reproductive mechanisms is still far in the future due to the diverse reproductive tactics in vertebrates. Birds have highly refined reproductive strategies and some of those strategies are unique to birds. However, together with ongoing progress of the genome analysis of birds and the crying need for further increase in meat and egg production, research on avian reproduction is now accelerating and becoming more important.With contributions by leading scientists, the book explains avian primordial germ cells; the sex-determining mechanism; reproductive endocrinology and immunology; sperm, egg, and egg coat; sperm–egg interaction; polyspermic fertilization; seasonal reproduction; social triggers; hormonal and behavioral changes; broodiness; oviductal sperm storage; and biotechnology. This book is recommended for all researchers and students who are interested in birds or reproduction.
Author: Wenfei Tong Publisher: Princeton University Press ISBN: 0691208905 Category : Nature Languages : en Pages : 465
Book Description
A stunningly illustrated look at the mating and parenting lives of the world's birds Bird Love looks at the extraordinary range of mating systems in the avian world, exploring all the stages from courtship and nest-building to protecting eggs and raising chicks. It delves into the reasons why some species, such as the wattled jacana, rely on males to do all the childcare, while others, such as cuckoos and honeyguides, dump their eggs in the nests of others to raise. For some birds, reciprocal promiscuity pays off: both male and female dunnocks will rear the most chicks by mating with as many partners as possible. For others, long-term monogamy is the only way to ensure their offspring survive. The book explores the wide variety of ways birds make sure they find a mate in the first place, including how many male birds employ elaborate tactics to show how sexy they are. Gathering in leks to display to females, they dance, pose, or parade to sell their suitability as a mate. Other birds attract a partner with their building skills: female bowerbirds rate brains above beauty, so males construct elaborate bowers with twig avenues and cleared courtyards to impress them. Looking at the differing levels of parenting skills across species around the world, we see why a tenth of bird species, including the fairy-wrens of Australia, have helpers at the nest who forgo their own reproduction to assist the breeding pair; how brood parasites and their hosts have engaged in evolutionary arms races; and how monogamous pairs share—or relinquish—their responsibilities. Illustrated throughout with beautiful photographs, Bird Love is a celebration of the global diversity of avian reproductive strategies.
Author: N. S. Margaris Publisher: Springer Science & Business Media ISBN: 1461583454 Category : Science Languages : en Pages : 242
Book Description
The present volume contains selected papers of the International Symposium on Adaptations to Terrestrial Environment, held in Halki diki, Greece from Sept 26th to Oct 2nd, 1982. The meeting was designed to consider the means as weIl as the mechanisms whereby organisms adapt to their environment. The papers presented dealt with a large variety of species from insects up to and including mamrnals. What became apparent during the course of the meeting was the incredible variety of means that organisms use to survive in their particular environmental niche. The ploys utilized are almost as numerous as the number of species investi gated. This will become clearly apparent in the accompanying manu scripts which are published in this book. The Editors allowed the authors of the accepted papers great leeway in terms of the thorough ness of their contributions. Some of the presentations contain exclusively new findings, whereas others extensively review the existing literature. The Volume is divided into two parts: Invertebrates and Verte brates. The first provides information on adaptations of inverte brat es on environmental stresses (such as low er high temperatures and water deficits) from the physiological and/or biochemical points of view as weIl as behavioral responses resulting from their life strategies and interactions with other organisrns. In the second part papers selected deal with vertebrates. Adaptations to special environmental factors such as light and temperature are discussed as weIl as behavioral, physiological and biochemical solutions to problems imposed.
Author: J. David Ligon Publisher: ISBN: Category : Science Languages : en Pages : 536
Book Description
Ever since Darwin, birds have provided much of the stimulus for the study of evolution and natural selection. This volume in the Oxford Ornithology Series looks at three of the most fascinating aspects of their reproductive biology: sexual selection, parental care, and mating systems. It provides empirical assessments of the main theories of mate choice by females and includes numerous related topics such as the role of sexual selection in speciation. It examines the often extreme sexual dimorphism in plumage and the bewildering array of ornamentation and courtship displays. Although most avian species are socially monogamous, others exhibit polygyny or polyandry of various forms, and the book looks at the effects of these extra-pair copulations on paternity and on the evolution of mating systems. Throughout the book the various theories are illustrated with extensive examples drawn a wide range of species, making it a valuable resource for all ornithologists and student of animal behavior.
Author: Kazuya Kobayashi Publisher: Springer ISBN: 4431566090 Category : Science Languages : en Pages : 783
Book Description
This book provides new insights into the universality of biological systems in animal reproduction and development by a comparative study of a variety of mechanisms in animals ranging from basal invertebrates to vertebrates, including mammals. Animals accomplish genetic diversity through meiosis and fertilization, and during embryogenesis animals must produce specialized cell types, including germ cells, in accordance with their individual body plan. This series of phenomena is essential to the continuity of life in the animal kingdom, and animals show various reproductive and developmental strategies. This volume, comprising four parts, reviews animal kingdom diversity, including reproductive strategies and germ cell differentiation mechanisms (Part 1), sex determination and differentiation (Part2), the mechanisms of fertilization (Part 3), and body axis formation (Part 4). Readers will find descriptions of the reproduction or development of 180 species, 13 phyla, 35 classes, 74 orders, 117 families, and 151 genera in this book. Of particular interest is the diversity of molecules and mechanisms used to achieve the same biological purpose in different animals. Undergraduates, graduate students, and professional scientists who want a deeper understanding of animal reproductive and developmental mechanisms will find this book to be of great value.
Author: Stephen M. Shuster Publisher: Princeton University Press ISBN: 0691206880 Category : Science Languages : en Pages :
Book Description
This book presents the first unified conceptual and statistical framework for understanding the evolution of reproductive strategies. Using the concept of the opportunity for sexual selection, the authors illustrate how and why sexual selection, though restricted to one sex and opposed in the other, is one of the strongest and fastest of all evolutionary forces. They offer a statistical framework for studying mating system evolution and apply it to patterns of alternative mating strategies. In doing so, they provide a method for quantifying how the strength of sexual selection is affected by the ecological and life history processes that influence females' spatial and temporal clustering and reproductive schedules. Directly challenging verbal evolutionary models that attempt to explain reproductive behavior without quantitative reference to evolutionary genetics, this book establishes a more solid theoretical foundation for the field. Among the weaknesses the authors find in the existing data is the apparent ubiquity of condition-dependent mating tactics. They identify factors likely to contribute to the evolution of alternative mating strategies--which they argue are more common than generally believed--and illustrate how to measure the strength of selection acting on them. Lastly, they offer predictions on the covariation of mating systems and strategies, consider the underlying developmental biology behind male polyphenism, and propose directions for future research. Informed by genetics, this is a comprehensive and rigorous new approach to explaining mating systems and strategies that will influence a wide swath of evolutionary biology.
Author: Giorgio Presicce Publisher: Academic Press ISBN: 0128171081 Category : Technology & Engineering Languages : en Pages : 307
Book Description
Reproductive Technologies in Animals provides the most updated and comprehensive knowledge on the various aspects and applications of reproductive technologies in production animals as well as companion, wild, exotic, and laboratory animals and birds. The text synthesizes historical information and recent discoveries, while dealing with economical and geographical issues related to the implementation of the same technologies. It also presents the effects of reproductive technology implementation on animal welfare and the possible threat of pathogen transmission.Reproductive Technologies in Animals is an important resource for academics, researchers, professionals in public and private animal business, and students at the undergraduate and graduate levels, as it gives a full and detailed first-hand analysis of all species subjected to the use of reproductive technologies. - Provides research from a team of scientists and researchers whose expertise spans all aspects of animal reproductive technologies - Addresses the use of reproductive technologies in a wide range of animal species - Offers a complete description and historical background for each species described - Discusses successes and failure as well as future challenges in reproductive technologies
Author: Tomohiro Sasanami
Author: Patricia G. Parker
Author: Tomohiro Sasanami
Author: Erik Svensson
Author: Jean-Luc E. Cartron
Author: Wenfei Tong
Author: N. S. Margaris
Author: J. David Ligon
Author: Kazuya Kobayashi
Author: Stephen M. Shuster
Author: Giorgio Presicce