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How much do animals eat? Why do eating patterns change? How do physiological, dietary, and environmental factors affect feed intake? This volume, a comprehensive overview of the latest animal feed intake research, answers these questions with detailed information about the feeding patterns of fishes, pigs, poultry, dairy cows, beef cattle, and sheep. Equations for calculating predicted feed intake are presented for each animal and are accompanied by charts, graphs, and tables.
Aquaculture is now recognized as a viable and profitable enterprise worldwide. As aquaculture technology has evolved, the push toward higher yields and faster growth has involved the enhancement or replacement of natural foods with prepared diets. In many aquaculture operations today, feed accounts for more than one-half the variable operating cost. Therefore, knowledge of nutrition and practical feeding of fish is essential to successful aquaculture. This book is not written exclusively for scientists but also for students, practicing nutritionists, and aquaculturists. It covers the known nutrient requirements and deficiency effects for different fishes, and digestion and metabolism of nutrients and energy. It discusses nutrient sources and preparation of practical and research feeds. It gives directions for conducting fish nutrition and feeding experiments. Feeding practices for salmonids, channel catfish, tilapias, shrimps and hybrid striped bass are presented. Since the first edition of this book was printed, the National Research Council of the National Academy of Sciences has revised the nutrient requirements for fish. These revisions are in the present edition. Other additions to this revised edition are chapters on nutrition and fish health, and bioavailability of nutrients. Each original chapter has been meticulously revised and updated with new information. Aquaculture is a dynamic area and new technologies are being introduced continuously; therefore, some of the material discussed in this revised edition may become obsolete quickly. Nonetheless, the material presented has been thoughtfully selected and updated to make it of maximum use to persons whose interests range from general aquaculture to animal nutrition to feed manufacture.
Cancer cells dedifferentiate with repect to cell function; their vascularity is more leaky, but perfusion is heterogenerously reduced, and interstitial fluid pressure is high, severely retarding delivery of agents from the blood. Targeted imaging is designed to produce a detectable difference between tissue that is visualized with single photon and positron emission tomography, magnetic resonance imaging, computed tomography, or ultrasonography. This book uniquely reports strategies for the application of molecular targeted imaging agents such as antibodies, peptides, receptors and contrast agents in the biologic grading of tumors, differential diagnosis of tumors, prediction of therapeutic response and monitoring tumor response to treatment. This book also describes updated information about the imaging of tumor angiogenesis, hypoxia, apoptosis and gene delivery as well as expression in the understanding and utility of tumor molecular biology for better cancer management.
This volume contains the proceedings of the 2nd World Conference of the International Society for Molecular Nutrition & Therapy. This conference was held on August 2-4, 1997, in Winnipeg, Canada. The goal of the conference was to advance our knowledge concerning the molecular events which link nutrition to various disease processes in the body. This volume represents an important compilation of unique articles addressing the molecular and cellular basis for the nutritional and therapeutic treatment of five general disease processes.
The Weight of Images explores the ways in which media images can train their viewers’ bodies. Proposing a shift away from an understanding of spectatorship as being constituted by acts of the mind, this book favours a theorization of relations between bodies and images as visceral, affective engagements that shape our body image - with close attention to one particularly charged bodily characteristic in contemporary western culture: fat. The first mapping of the ways in which fat, gendered bodies are represented across a variety of media forms and genres, from reality television to Hollywood movies, from TV sitcoms to documentaries, from print magazine and news media to online pornography, The Weight of Images contends that media images of fat bodies are never only about fat; rather, they are about our relation to corporeal vulnerability overall. A ground-breaking volume, engaging with a rich variety of media and cultural texts, whilst examining the possibilities of critical auto-ethnography to unravel how body images take shape affectively between bodies and images, this book will appeal to scholars and students of sociology, media, cultural and gender studies, with interests in embodiment and affect.
The Leanness Lifestyle is a complete body-transformation resource for women and men sick of dieting and ready to permanently lose weight and get in shape.
During the past decade, research and practice in the field of behavior modification have experienced phenomenal growth. Behavioral inter vention strategies that were considered strictly experimental a few years ago are now accepted therapeutic modalities, and behavioral method ology has been instrumental in creating an atmosphere conducive to the development of scientific rigor in the area of mental health. But behav ioral influence has not been limited to mental health. There has been considerable impact in education, industry, government, and general health care. Although behavior modification has made a significant impact on psychology in general, there has been a noticeable lack of theorizing and empirical research on issues primarily related to black populations. In fact, the black community in general, and black psychologists in partic ular, often have viewed behavioral approaches with suspicion. We hope that the material presented in this volume will serve to clarify what the behavioral approach is and what it is not and that it will help to foster an understanding of the behavioral approach. Moreover, empirical data demonstrating the effectiveness of behavioral procedures with black populations are presented. It is our hope that the material will provide some insight into how behavioral theory, methodology, and therapeutic strategies can be used to the benefit of black mental health in particular and the overall psychological health of the black community in general.
The molecular genetics of aging or life-span determination is an expanding field. One reason is because many people would consider it desirable if hu man life span could be extended. Indeed, it is difficult not to be fascinated by tales of the life and death of people who have succeeded in living a very long life. Because of this, we have placed at the head of this book the chapter by Perls et al. on Centenerians and the Genetics of Longevity. Perls and his coauthors convincingly argue that, while the average life expectancy might be mostly determined by environmental factors because the average person has an average genotype, extremely long life spans are genetically determined. Of course, studying humans to uncover the genetics of aging is not ideal, not so much because one cannot easily perform experiments as because they live such a long time. This is why most of this book describes the current state of research with model organisms such as yeast, worms, flies, and mice. J aswinski focuses on yeast and how metabolic activity and stress resistance affect the longevity of Saccharomyces cerevisiae. In the process, he discusses the concept of aging as applied to a unicellular organism such as yeast and the importance of metabolism and stress resistance for aging in all organisms.
The Springer Handbook of Experimental Solid Mechanics documents both the traditional techniques as well as the new methods for experimental studies of materials, components, and structures. The emergence of new materials and new disciplines, together with the escalating use of on- and off-line computers for rapid data processing and the combined use of experimental and numerical techniques have greatly expanded the capabilities of experimental mechanics. New exciting topics are included on biological materials, MEMS and NEMS, nanoindentation, digital photomechanics, photoacoustic characterization, and atomic force microscopy in experimental solid mechanics. Presenting complete instructions to various areas of experimental solid mechanics, guidance to detailed expositions in important references, and a description of state-of-the-art applications in important technical areas, this thoroughly revised and updated edition is an excellent reference to a widespread academic, industrial, and professional engineering audience.