Download or read book Effects of Estradiol Progesterone and Caging with Males on Gonadotropin Surges in Middle aged Female Rats Exhibiting Acyclicity and Early Persistant Estrus written by Houng-Wei Tsai and published by . This book was released on 1995 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Program Abstracts 10th International Congress of Endocrinology ICE 96 written by and published by . This book was released on 1996 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Laboratory Rat written by Henry J. Baker and published by Elsevier. This book was released on 2013-10-02 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Laboratory Rat, Volume I: Biology and Diseases focuses on the use of rats in specific areas of research, ranging from dental research to toxicology. The first part of this book retraces the biomedical history of early events and personalities involved in the establishment of rats as a leading laboratory animal. The taxonomy, genetics and inbred strains of rats are also elaborated. The next chapters illustrate the hematology, clinical biochemistry, and anatomical and physiological features of the laboratory rat. This text concludes with a description of infectious diseases that may be contracted from laboratory and/or wild rats. This volume is a good source for commercial and institutional organizations involved in producing rats for research use, specialists in laboratory animal, animal care and research technicians, as well as students in graduate and professional curricula.
Download or read book The Guide to Investigation of Mouse Pregnancy written by B. Anne Croy and published by Academic Press. This book was released on 2013-12-09 with total page 829 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Guide to Investigation of Mouse Pregnancy is the first publication to cover the mouse placenta or the angiogenic tree the mother develops to support the placenta. This much-needed resource covers monitoring of the cardiovascular system, gestational programming of chronic adult disease, epigenetic regulation, gene imprinting, and stem cells. Offering detailed and integrated information on how drugs, biologics, stress, and manipulations impact pregnancy in the mouse model, this reference highlights techniques used to analyze mouse pregnancy. Joining the ranks of much referenced mouse resources, The Guide to Investigation of Mouse Pregnancy is the only manual providing needed content on pregnancy in animal models for translational medicine and research. - Provides instruction on how to collect pre-clinical data on pregnancy in mouse models for eventual use in human applications - Describes the angiogenic tree the mother's uterus develops to support pregnancy and the monitoring of pregnancy-induced cardiovascular changes - Educates readers on placental cell lineages, decidual development including immune cells, epigenetic regulation, gene imprinting, stem cells, birth and lactation - Discusses how stress, environmental toxicants and other manipulations impact upon placental function and pregnancy success
Download or read book Rodent Model as Tools in Ethical Biomedical Research written by Monica Levy Andersen and published by Springer. This book was released on 2015-11-26 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this book is to concisely present information with respect to appropriate use of experimental rodents in research. The principles elaborated seek to provide knowledge of the techniques involved in both management and scientific research to all who use laboratory animals, with a focus on the well-being and ethics regarding rodents and also to fortify the awareness of the importance of the animal as a study object and to offer orientation and assistance in conducting laboratory research, education or tests.
Download or read book Pesticide Residues in Food 2007 written by World Health Organization and published by World Health Organization. This book was released on 2010-05 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: The monographs in this volume summarize the safety data on 11 pesticides that could leave residues in food commodities. These pesticides are aminopyralid, atrazine, azinphos methyl, lamba-cyhalothrin, difenoconazole, dimethomorph, flusilazole, procymidone, profenofos, pyrimethanil and zoxamide. The data summarized in the toxicological monographs served as the basis for the acceptable daily intakes and acute reference doses that were established by the Meeting. This volume and previous volumes of JMPR toxicological evaluations, many of which were published in the FAO Plant Production and Protection Paperseries, contain information that is useful to companies that produce pesticides, government regulatory officers, industrial testing laboratories, toxicological laboratories and universities.
Download or read book Reproductive Sciences in Animal Conservation written by Pierre Comizzoli and published by Springer Nature. This book was released on 2019-08-30 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition emphasizes the environmental impact on reproduction, with updated chapters throughout as well as complete new chapters on species such as sharks and rays. This is a wide-ranging book that will be of relevance to anyone involved in species conservation, and provides critical perspectives on the real utility of current and emerging reproductive sciences. Understanding reproductive biology is centrally important to the way many of the world’s conservation problems should be tackled. Currently the extinction problem is huge, with up to 30% of the world’s fauna being expected to disappear in the next 50 years. Nevertheless, it has been estimated that the global population of animals in zoos encompasses 12,000 – 15,000 species, and we anticipate that every effort will be made to preserve these species for as long as possible, minimizing inbreeding effects and providing the best welfare standards available. Even if the reproductive biology community cannot solve the global biodiversity crisis for all wild species, we should do our best to maintain important captive populations. Reproductive biology in this context is much more than the development of techniques for helping with too little or too much breeding. While some of the relevant techniques are useful for individual species that society might target for a variety of reasons, whether nationalistic, cultural or practical, technical developments have to be backed up by thorough biological understanding of the background behind the problems.
Download or read book Encyclopedia of Biology written by Don Rittner and published by Infobase Publishing. This book was released on 2004-08 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains approximately 800 alphabetical entries, prose essays on important topics, line illustrations, and black-and-white photographs.
Download or read book The Buffalo Bubalus bubalis Production and Research written by Giorgio A. Presicce and published by Bentham Science Publishers. This book was released on 2017-03-31 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook aims at focusing on the husbandry of the common water buffalo, (Bubalis bubalis). The book covers a broad range of topics such as the buffalo’s genetic evolution, cytogenetics, subspecies, breed diversification, feeding and metabolic specificity, adaptable response to environmental stress factors, welfare, dairy requirements and production, reproduction and embryo technologies, cryopreservation, sperm cell sexing, somatic cell cloning and transgenesis. Chapters presented and reviewed in this book have been by contributed by renowned scientists that have devoted years of research to the understanding of this species, and highlight the most recent advances in basic and applied science to unveil the understanding of physiological facets intrinsic to this animal species. The depth of the selected topics makes this book especially suited for readers of all academic levels of study. Researchers, students and professionals will find this book a useful guide to breeding and farming the water buffalo.
Download or read book The Neglected Ape written by Biruté M.F. Galdikas and published by Springer Science & Business Media. This book was released on 1996-02-29 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The orangutan is the most highly endangered species of great ape. Orangutans are threatened by deforestation, poaching, the illegal pet trade, and the isolation and fragmen tation of dwindling wild populations. Their conservation is impeded by certain aspects of their ecology (e. g. , a rain forest habitat) and certain features of their life history (e. g. , an eight-to twelve-year interbirth interval). Added to the U. S. Endangered Species List in 1970, the orangutan is now clearly on the road to extinction. The number of wild orangutans in Borneo and Sumatra is currently estimated to have decreased to between 12,300 and 20,571 individuals. Only 2% of original orangutan habitat is protected and some of these areas are now being destroyed. Clearly, attention to ecology, demography, censusing, rehabilitation, and conservation is essential if the orangutan is to survive in the wild beyond the next century. The protection of orangutans is a complex, multifaceted problem, involving such pressing issues as human poverty, overpopulation, and the economic development of Southeast Asia. Although the orangutan has been placed in Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), more orangutans were sold illegally in Taiwan between 1990 and 1993 than are housed in all the world's zoos. In the past, scientific and public attention has centered on the African apes. For this reason, the sole Asian great ape, the orangutan, has been called the "neglected ape.
Download or read book Recognition and Alleviation of Distress in Laboratory Animals written by National Research Council and published by National Academies Press. This book was released on 2008-04-10 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific advances in our understanding of animal physiology and behavior often require theories to be revised and standards of practice to be updated to improve laboratory animal welfare. This new book from the Institute for Laboratory Animal Research (ILAR) at the National Research Council, Recognition and Alleviation of Distress in Laboratory Animals, focuses on the stress and distress which is experienced by animals when used in laboratory research. This book aims to educate laboratory animal veterinarians; students, researchers, and investigators; animal care staff, as well as animal welfare officers on the current scientific and ethical issues associated with stress and distress in laboratory animals. It evaluates pertinent scientific literature to generate practical and pragmatic guidelines. Recognition and Alleviation of Distress in Laboratory Animals focuses specifically on the scientific understanding of the causes and the functions of stress and distress, the transformation of stress to distress, and the identification of principles for the recognition and alleviation of distress. This book discusses the role of humane endpoints in situations of distress and principles for the minimization of distress in laboratory animals. It also identifies areas in which further scientific investigation is needed to improve laboratory animal welfare in order to adhere to scientific and ethical principles that promote humane care and practice.
Download or read book Reproductive Technologies in Farm Animals 2nd Edition written by Ian Gordon and published by CABI. This book was released on 2017-06-23 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on the successful structure of the first edition, the second edition of Reproductive Technologies in Farm Animals has been totally updated and revised to provide an up to date account of the key techniques employed in manipulating reproduction in farm animals, including beef and dairy cattle, pigs, sheep, goats, buffaloes, camelids, horses and poultry. A classic introductory text to the subject, the book is based on a comprehensive review of the current literature. This text remains key reading for students in animal science, agriculture, veterinary medicine and biology, and veterinary practitioners and farmers who wish to keep updated on developments in techniques that may be useful in their daily practice.
Download or read book Toxicity Testing in the 21st Century written by National Research Council and published by National Academies Press. This book was released on 2007-10-05 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in molecular biology and toxicology are paving the way for major improvements in the evaluation of the hazards posed by the large number of chemicals found at low levels in the environment. The National Research Council was asked by the U.S. Environmental Protection Agency to review the state of the science and create a far-reaching vision for the future of toxicity testing. The book finds that developing, improving, and validating new laboratory tools based on recent scientific advances could significantly improve our ability to understand the hazards and risks posed by chemicals. This new knowledge would lead to much more informed environmental regulations and dramatically reduce the need for animal testing because the new tests would be based on human cells and cell components. Substantial scientific efforts and resources will be required to leverage these new technologies to realize the vision, but the result will be a more efficient, informative and less costly system for assessing the hazards posed by industrial chemicals and pesticides.
Download or read book Clinical Reproductive Endocrinology written by Rodney P. Shearman and published by . This book was released on 1985 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of this text continues its primary aim of providing clear answers to the many questions - fundamental and complex - that face the field of travel medicine. The manual focuses on preventive measures to be considered for travellers. Therapy is also included as it applies to self-treatment abroad and to address problems and questions primary care physicians are frequently confronted with by returning travellers.
Download or read book Photoperiodism written by Randy J. Nelson and published by Oxford University Press. This book was released on 2010-01-27 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Life evolves in a cyclic environment, and to be successful, organisms must adapt not only to their spatial habitat, but also to their temporal habitat. How do plants and animals determine the time of year so they can anticipate seasonal changes in their habitats? In most cases, day length, or photoperiod, acts as the principal external cue for determining seasonal activity. For organisms not living at the bottom of the ocean or deep in a cave, day follows night, and the length of the day changes predictably throughout the year. These changes in photoperiod provide the most accurate signal for predicting upcoming seasonal conditions. Measuring day length allows plants and animals to anticipate and adapt to seasonal changes in their environments in order to optimally time key developmental events including seasonal growth and flowering of plants, annual bouts of reproduction, dormancy and migration in insects, and the collapse and regrowth of the reproductive system that drives breeding seasons in mammals and birds. Although research on photoperiodic time measurement originally integrated work on plants and animals, recent work has focused more narrowly and separately on plants, invertebrates, or vertebrates. As the fields have become more specialized there has been less interaction across the broader field of photoperiodism. As a result, researchers in each area often needlessly repeat both theoretical and experimental work. For example, understanding that there are genetically distinct morphs among species that, depending on latitude, respond to different critical photoperiods was discovered separately in plants, invertebrates, and vertebrates over the course of 20 years. However, over the past decade, intense work on daily and seasonal rhythms in fruit flies, mustard plants, and hamsters and mice, has led to remarkable progress in understanding the phenomenology, as well as the molecular and genetic mechanisms underlying circadian rhythms and clocks. This book was developed to further this type of cooperation among scientists from all related disciplines. It brings together leading researchers working on photoperiodic timing of seasonal adaptations in plants, invertebrates, and vertebrates. Each of its three sections begins with an introduction by the section editor, and at the end of the book, the section editors present a synthesis of common themes in photoperiodism, as well as discuss similarities and differences in approaches to the study of photoperiodism, and future directions for research on photoperiodic time measurement.
Download or read book The Oestrous Cycle in the Rat and Its Associated Phenomena written by Joseph Abraham Long and published by . This book was released on 1922 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Signals written by D. Muller-Schwarze and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on chemical communication in animals is in a very active and exciting phase; more species are studied, data are accumulating, concepts are changing, and practical application seems feasible. While most of the work on chemical ecology and chemical sig nals deals with insects, vertebrate communication provides a formidable challenge and progress has been slow. Joint efforts and frequent direct contacts of ecologists, behaviorists, psychologists, physiologists, histologists and chemists are required. Such an interdisciplinary exchange of information took place on the occasion of the Symposium on Chemical Signals in Vertebrates and Aquatic Animals in Syracuse, New York, from May 31 to June 2, 1979. More than one hundred investigators from seven countries participated, and the papers presented comprise this volume. Since the first Symposium on Vertebrate Chemical Signals at Saratoga Springs in 1976, considerable progress has been made with field studies, the physiology of the vomeronasal organ, and its role in reproductive behavior. The behavioral functions and chemi cal nature of priming pheromones are better understood. Efforts to isolate and identify mammalian pheromones are gaining ground, and the bioassays are becoming more sophisticated. In addition to formal presentations, one evening of the Symposi um was devoted to round-table discussions of particular topics. The selected themes indicate the "growing points" of chemical communi cation research: priming pheromones, vomeronasal organ, bioassay, and practical applications.
