Download or read book Avian Reproduction written by Tomohiro Sasanami and published by Springer. This book was released on 2017-10-04 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Reproductive Behavior written by William Montagna and published by Springer Science & Business Media. This book was released on 2013-03-13 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sexual compatibility between male and female partners is in dispensable to normal and successful fertilization in mammals. Thus, the genes from males and females whose sexual behavior is characterized by awkwardness, ineptness, and miscues are elimi nated from the gene pool of the species. In human societies, this compatibility is not always evident; and the behavior that precedes and accompanies copulation and fertilization is exceed ingly complex and affected by many variables. As in most other species of animals, the entire repertoire of reproductive behavior of man is not well understood by man. When viewed, discussed, or reported, the topic is too often and most unfortunately regarded as an amalgam of emotion, mysticism, and biology. In the past, such emotion-charged approaches to the biologi cal fact of reproduction did much to obfuscate the subject; and as a result, much of the array of hormonal, neural, psychological, and social variables that control and insure the successful repro duction of the human species remains even now in Victorian ignor ance. But with the recent rash of books and scientific treatises on the subject, some progress has been made in elucidating human reproduction and associated sexual behavior. However, so entrench ed are some of our social taboos that the danger still lurks of equating social acceptance of the words with an understandin- all too lacking--of the process to which they refer.

Download or read book Cephalopod Behaviour written by Roger T. Hanlon and published by Cambridge University Press. This book was released on 2018-03-22 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fully updated overview of the causation, function, development and evolution of cephalopod behaviour, richly illustrated in full colour.

Download or read book Human Reproductive Behaviour written by Laura Betzig and published by CUP Archive. This book was released on 1988-03-31 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Neurobiology of Chemical Communication written by Carla Mucignat-Caretta and published by CRC Press. This book was released on 2014-02-14 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intraspecific communication involves the activation of chemoreceptors and subsequent activation of different central areas that coordinate the responses of the entire organism—ranging from behavioral modification to modulation of hormones release. Animals emit intraspecific chemical signals, often referred to as pheromones, to advertise their presence to members of the same species and to regulate interactions aimed at establishing and regulating social and reproductive bonds. In the last two decades, scientists have developed a greater understanding of the neural processing of these chemical signals. Neurobiology of Chemical Communication explores the role of the chemical senses in mediating intraspecific communication. Providing an up-to-date outline of the most recent advances in the field, it presents data from laboratory and wild species, ranging from invertebrates to vertebrates, from insects to humans. The book examines the structure, anatomy, electrophysiology, and molecular biology of pheromones. It discusses how chemical signals work on different mammalian and non-mammalian species and includes chapters on insects, Drosophila, honey bees, amphibians, mice, tigers, and cattle. It also explores the controversial topic of human pheromones. An essential reference for students and researchers in the field of pheromones, this is also an ideal resource for those working on behavioral phenotyping of animal models and persons interested in the biology/ecology of wild and domestic species.

Download or read book The Neurobiology of Olfaction written by Anna Menini and published by CRC Press. This book was released on 2009-11-24 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Overview of Advances in OlfactionThe common belief is that human smell perception is much reduced compared with other mammals, so that whatever abilities are uncovered and investigated in animal research would have little significance for humans. However, new evidence from a variety of sources indicates this traditional view is likely

Download or read book Evolution and Human Sexual Behavior written by Peter B. Gray and published by Harvard University Press. This book was released on 2013-04-15 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Few things come more naturally to us than sex—or so it would seem. Yet to a chimpanzee, the sexual practices and customs we take for granted would appear odd indeed. He or she might wonder why we bother with inconveniences like clothes, why we prefer to make love on a bed, and why we fuss so needlessly over privacy. Evolution and Human Sexual Behavior invites us into the thought-experiment of imagining human sex from the vantage point of our primate cousins, in order to underscore the role of evolution in shaping all that happens, biologically and behaviorally, when romantic passions are aroused. Peter Gray and Justin Garcia provide an interdisciplinary synthesis that draws on the latest discoveries in evolutionary theory, genetics, neuroscience, comparative primate research, and cross-cultural sexuality studies. They are our guides through an exploration of the patterns and variations that exist in human sexuality, in chapters covering topics ranging from the evolution of sex differences and reproductive physiology to the origins of sexual play, monogamous unions, and the facts and fictions surrounding orgasm. Intended for generally curious readers of all stripes, this up-to-date, one-volume survey of the evolutionary science of human sexual behavior explains why sexuality has remained a core fascination of human beings throughout time and across cultures.

Download or read book Drosophila written by Therese A. Markow and published by Elsevier. This book was released on 2005-11-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anyone wishing to tap the research potential of the hundreds of Drosophila species in addition to D.melanogaster will finally have a single comprehensive resource for identifying, rearing and using this diverse group of insects. This is the only group of higher eukaryotes for which the genomes of 12 species have been sequenced.The fruitfly Drosophila melanogaster continues to be one of the greatest sources of information regarding the principles of heredity that apply to all animals, including humans. In reality, however, over a thousand different species of Drosophila exist, each with the potential to make their own unique contributions to the rapidly changing fields of genetics and evolution. This book, by providing basic information on how to identify and breed these other fruitflies, will allow investigators to take advantage, on a large scale, of the valuable qualities of these other Drosophila species and their newly developed genomic resources to address critical scientific questions. * Provides easy to use keys and illustrations to identify different Drosophila species* A guide to the life history differences of hundreds of species* Worldwide distribution maps of hundreds of species* Complete recipes for different Drosophila diets* Offers an analysis on how to account for species differences in designing and conducting experiments* Presents useful ideas of how to collect the many different Drosophila species in the wild

Download or read book Reproductive and Developmental Behaviour in Sheep written by A.F. Fraser and published by Elsevier. This book was released on 2013-10-22 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although intensive husbandry is increasingly applied to sheep, most sheep production around the world is still based on the extensive system. Under these conditions, attempts to improve productivity must take particular account of reproductive and developmental behaviour, as successful sheep production depends heavily on optimal reproduction and development. These topics are presented in this anthology of selected publications on sheep behaviour. The papers have been taken from ten years of Applied Animal Ethology (now Applied Animal Behaviour Science) from its inception in December 1974 to the end of its publication under that title in 1984.

Download or read book Reproduction in Context written by Kim Wallen and published by Bradford Books. This book was released on 2000 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, reproductive science has focused on reproductive behaviors divorced from the contexts in which they occur. Taking a more integrated view, this book explores the neuroendocrine bases of reproduction in relation to their environmental and social contexts. The contributors provide compelling accounts of reproductive behaviors in animals ranging from turtles and lizards to humans and nonhuman primates. They examine these behaviors from the perspectives of ethology, endocrinology, behavioral genetics, and evolutionary ecology. Together, they illuminate the dynamic interplay between the ecological and social contexts of a species and the biological mechanisms regulating reproductive behavior. The book shows how an appreciation of the full complexity of the context of reproduction actually simplifies and clarifies our understanding of reproductive behavior. Contributors: Gregory F. Ball, George E. Bentley, Franklin H. Bronson, David Crews, Jeffrey A. French, Michael R. Gorman, Kay E. Holecamp, Jerry D. Jacobs, Sabra L. Klein, Theresa M. Lee, Donna L. Maney, Martha K. McClintock, Simone Meddle, Randy J. Nelson, Nicole Perfito, Emilie F. Rissman, Colleen M. Schafner, Patricia A. Schiml, Jill E. Schneider, Rae Silver, Ann-Judith Silverman, Laura Smale, Kira Soma, Jennifer M. Swann, Anthony D. Tramontin, George N. Wade, Kim Wallen, Scott R. Wersinger, John C. Wingfield, Ruth I. Wood.

Download or read book Reproductive Behavior and Evolution written by J. Rosenblatt and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Daniel S. Lehrman Memorial Symposia Series will publish the proceedings of symposia devoted to the evolution, development, and organization of behavior. These various symposia will bring together at intervals scientists studying problems from each of these view points. The aim is to attempt to integrate our knowledge derived from these different sources and to familiarize scientists working on similar behavior patterns with the work of their colleagues in related fields of study. Each volume, therefore, will be devoted to a specific topic in the field of animal behavior, which will be explored with respect to its evolutionary aspects, including the adaptive nature of the behav ior; with respect to its developmental aspects, including neural, hor monal, and experiential influences; and with respect to the analysis of features of organization, including motivational, perceptual, and motor aspects and their physiological bases. It is our feeling that the most appropriate memorial to our colleague and close friend, Daniel S. Lehrman, is the continuation of his valuable contributions toward integrating these approaches to the study of animal behavior, which he pursued so effectively during his own life. Daniel S. Lehrman's lifelong love and study of animal behavior gave us a wealth of new insights into reproductive behavior and evolution. It is therefore appropriate that the first symposium of this series is devoted to recent advances in this field.

Download or read book Recent Fertility Trends in Sub Saharan Africa written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2016-03-18 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fertility rates and population growth influence economic development. The marked declines in fertility seen in some developing nations have been accompanied by slowing population growth, which in turn provided a window of opportunity for rapid economic growth. For many sub-Saharan African nations, this window has not yet opened because fertility rates have not declined as rapidly there as elsewhere. Fertility rates in many sub-Saharan African countries are high: the total rate for the region is estimated to be 5.1 births per woman, and rates that had begun to decline in many countries in the region have stalled. High rates of fertility in these countries are likely to contribute to continued rapid population growth: the United Nations projects that the region's population will increase by 1.2 billion by 2050, the highest growth among the regions for which there are projections. In June 2015, the Committee on Population organized a workshop to explore fertility trends and the factors that have influenced them. The workshop committee was asked to explore history and trends related to fertility, proximate determinants and other influences, the status and impact of family planning programs, and prospects for further reducing fertility rates. This study will help donors, researchers, and policy makers better understand the factors that may explain the slow pace of fertility decline in this region, and develop methods to improve family planning in sub-Saharan Africa.

Download or read book Animal Models of Reproductive Behavior written by Raúl G. Paredes and published by Springer Nature. This book was released on 2023-05-16 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the latest techniques to study several aspects of reproductive behavior in different species. The chapters in this book cover topics such as methods to investigate social behavior; sexual motivation and reward, both of which are fundamental for the initiation of sexual behavior; olfactory signaling; different characteristics and models of reproductive function; and parental behavior in both rats and rabbits. In the Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Cutting-edge and practical, Animal Models of Reproductive Behavior is a valuable resource for both experienced researchers and students who want to incorporate new techniques into their studies of reproductive behavior.

Download or read book The Surgeon General s Call to Action to Promote Sexual Health and Responsible Sexual Behavior written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Reproductive Behavior written by Henry P. David and published by Springer. This book was released on 2013-12-11 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Reproduction written by Norman T. Adler and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hormonally Active Agents in the Environment written by National Research Council and published by National Academies Press. This book was released on 2000-02-03 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some investigators have hypothesized that estrogens and other hormonally active agents found in the environment might be involved in breast cancer increases and sperm count declines in humans as well as deformities and reproductive problems seen in wildlife. This book looks in detail at the science behind the ominous prospect of "estrogen mimics" threatening health and well-being, from the level of ecosystems and populations to individual people and animals. The committee identifies research needs and offers specific recommendations to decision-makers. This authoritative volume: Critically evaluates the literature on hormonally active agents in the environment and identifies known and suspected toxicologic mechanisms and effects of fish, wildlife, and humans. Examines whether and how exposure to hormonally active agents occursâ€"in diet, in pharmaceuticals, from industrial releases into the environmentâ€"and why the debate centers on estrogens. Identifies significant uncertainties, limitations of knowledge, and weaknesses in the scientific literature. The book presents a wealth of information and investigates a wide range of examples across the spectrum of life that might be related to these agents.