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The Effect Of Housing Egg Production Pullets In Cages At Various Densities On Some Production Factors
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Book Synopsis The Effect of Housing Egg Production Pullets in Cages at Various Densities on Some Production Factors by : Pedro Matias Gibert
Download or read book The Effect of Housing Egg Production Pullets in Cages at Various Densities on Some Production Factors written by Pedro Matias Gibert and published by . This book was released on 1977 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Framework for Assessing Effects of the Food System by : National Research Council
Download or read book A Framework for Assessing Effects of the Food System written by National Research Council and published by National Academies Press. This book was released on 2015-06-17 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: How we produce and consume food has a bigger impact on Americans' well-being than any other human activity. The food industry is the largest sector of our economy; food touches everything from our health to the environment, climate change, economic inequality, and the federal budget. From the earliest developments of agriculture, a major goal has been to attain sufficient foods that provide the energy and the nutrients needed for a healthy, active life. Over time, food production, processing, marketing, and consumption have evolved and become highly complex. The challenges of improving the food system in the 21st century will require systemic approaches that take full account of social, economic, ecological, and evolutionary factors. Policy or business interventions involving a segment of the food system often have consequences beyond the original issue the intervention was meant to address. A Framework for Assessing Effects of the Food System develops an analytical framework for assessing effects associated with the ways in which food is grown, processed, distributed, marketed, retailed, and consumed in the United States. The framework will allow users to recognize effects across the full food system, consider all domains and dimensions of effects, account for systems dynamics and complexities, and choose appropriate methods for analysis. This report provides example applications of the framework based on complex questions that are currently under debate: consumption of a healthy and safe diet, food security, animal welfare, and preserving the environment and its resources. A Framework for Assessing Effects of the Food System describes the U.S. food system and provides a brief history of its evolution into the current system. This report identifies some of the real and potential implications of the current system in terms of its health, environmental, and socioeconomic effects along with a sense for the complexities of the system, potential metrics, and some of the data needs that are required to assess the effects. The overview of the food system and the framework described in this report will be an essential resource for decision makers, researchers, and others to examine the possible impacts of alternative policies or agricultural or food processing practices.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : W. H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 22 (thesis year 1977) a total of 10,658 theses titles from 28 Canadian and 227 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 22 reports theses submitted in 1977, on occasion, certain universities do report theses submitted in previous years but not reported at the time.
Book Synopsis Effect of Environment on Nutrient Requirements of Domestic Animals by : National Research Council
Download or read book Effect of Environment on Nutrient Requirements of Domestic Animals written by National Research Council and published by National Academies Press. This book was released on 1981-02-01 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Influencing the Feasibility of Producing Broiler Breeder Hatching Eggs in Multiple Bird Cages by : Egladson Joao Campos
Download or read book Factors Influencing the Feasibility of Producing Broiler Breeder Hatching Eggs in Multiple Bird Cages written by Egladson Joao Campos and published by . This book was released on 1973 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hatching egg production from commercial broiler breeders housed in single and multiple male cages maintained in a naturally and in artificially ventilated houses was investigated. Twelve cages measuring 90x90x60 cm. and housing either 8 or 10 females and a male were compared with four cages measuring 90x180x60 cm. and housing 20 females and 2 males. A phase-feeding energy program utilizing three isonitrogenous diets with different levels of energy; specifically, 2398 Kcal. M.E. (low), 2670 Kcal. M.E. (medium) and 3027 Kcal. M.E. (high) per kg. of feed was studied. Control groups in cages and on floor were fed the medium energy diet. The total number of airborne bacteria per cubic foot of air, including coliforms, also was studied in both types of ventilated cage houses and in litter-floored pens. Egg shell contamination in cage and floor environments was also determined. ...
Book Synopsis Mechanisms of Persistence, Survival, and Transmission of Bacterial Foodborne Pathogens in Production Animals by : Christina L. Swaggerty
Download or read book Mechanisms of Persistence, Survival, and Transmission of Bacterial Foodborne Pathogens in Production Animals written by Christina L. Swaggerty and published by Frontiers Media SA. This book was released on 2018-08-31 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foodborne illness resulting from food production animals is a global health concern, and the Centers for Disease Control estimate that one in six Americans will become sick with a foodborne illness each year. Of course there are numerous causes for these outbreaks, but contamination from a food production animal is certainly one source. Understanding the host-pathogen interaction and how foodborne bacterial pathogens establish a persistent infection and evade host immune responses will be pivotal in reducing the instance of foodborne illness traced back to a food production animal source. In this volume, we bring together original research and review articles covering some of the key issues surrounding the mechanisms of persistence, survival, and transmission of bacterial foodborne pathogens in production animals. The research focused on poultry and specifically addressed antibiotic resistance, Salmonella colonization, pathogen reduction strategies using pre- or probiotics, pathogen evasion, and post-harvest intervention and pathogen testing. The following 11 articles are fine examples of the multidisciplinary approaches that will be required to address and understand the complex interplay between food safety and animal production.
Book Synopsis Housing, Husbandry, and Welfare of Poultry by : Michael D. Kreger
Download or read book Housing, Husbandry, and Welfare of Poultry written by Michael D. Kreger and published by . This book was released on 1995 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Commercial Chicken Meat and Egg Production by : Donald D. Bell
Download or read book Commercial Chicken Meat and Egg Production written by Donald D. Bell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Commercial Chicken Meat and Egg Production is the 5th edition of a highly successful book first authored by Dr. Mack O. North in 1972, updated in 1978 and 1984. The 4th edition was co-authored with Donald D. Bell in 1990. The book has achieved international success as a reference for students and commercial poultry and egg producers in every major poultry producing country in the world. The 5th edition is essential reading for students preparing to enter the poultry industry, for owners and managers of existing poultry companies and for scientists who need a major source of scientifically based material on poultry management. In earlier editions, the authors emphasized the chicken and its management. The 5th edition, with the emphasis shifted to the commercial business of managing poultry, contains over 75% new material. The contributions of 14 new authors make this new edition the most comprehensive such book available. Since extensive references are made to the international aspects of poultry management, all data are presented in both the Imperial and Metric form. Over 300 tables and 250 photos and figures support 62 chapters of text. New areas include processing of poultry and eggs with thorough discussions of food safety and further processing. The business of maintaining poultry is discussed in chapters on economics, model production firms, the use of computers, and record keeping. Updated topics include: breeders and hatchery operations; broiler and layer flock management; replacement programs and management of replacements; nutrition; and flock health. New chapters address flock behavior, ventilation, waste management, egg quality and egg breakage. Other new features include a list of more than 400 references and a Master List of the tables, figures, manufacturers of equipment and supplies, research institutions, books and periodicals, breeders, and trade associations. Commercial growers will find the tables of data of particular interest; scientists will be able to utilize the extensive references and to relate their areas of interest to the commercial industry's applications; and students will find that the division of the book into 11 distinct sections, with multiple chapters in each, will make the text especially useful.
Book Synopsis Statistical Methods by : George Waddel Snedecor
Download or read book Statistical Methods written by George Waddel Snedecor and published by Iowa State Press. This book was released on 1980 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sampling of attributes. Sampling from a normally distributed population. Experimental samping from a normal population. The comparison of two samples. Shortcut and non-parametric methods. Regression. Correlation. Sampling from the binomial distribution. Attribute data with more than one degree of freedom. One-way classifications. Analysis of variance. Two-way classifications. Factorial experiments. Multiple regression. Analysis of covariance. Curvilinear regression. Two-way classifications with unequal numbers and proportions. Design and analysis of sampling.
Book Synopsis The Effect of Cage Density, Transporting of Pullets and Vaccination Against Marek's Disease on the Performance of S.C.W.L. Pullets by : Hugh Charles Goan
Download or read book The Effect of Cage Density, Transporting of Pullets and Vaccination Against Marek's Disease on the Performance of S.C.W.L. Pullets written by Hugh Charles Goan and published by . This book was released on 1971 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Backyard Poultry Medicine and Surgery by : Cheryl B. Greenacre
Download or read book Backyard Poultry Medicine and Surgery written by Cheryl B. Greenacre and published by John Wiley & Sons. This book was released on 2021-05-04 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: BACKYARD POULTRY MEDICINE AND SURGERY An expanded edition that explains the diagnosis and treatment of backyard poultry You can look to Backyard Poultry Medicine and Surgery, Second Edition for practical veterinary information on the treatment of poultry. You’ll find six new chapters covering radiology, toxicology, euthanasia, gross pathology, behavior, and emergency medicine. The book is written by some of the most respected specialists in a broad range of fields. With many original chapters also significantly expanded, the book provides a complete guide to all aspects of husbandry, medicine, and surgery for poultry. Diseases are organized by body systems to aid in developing a diagnosis. This book supports your work as a practitioner, whether you treat birds occasionally or regularly. Review information on the topics of husbandry, medicine, and surgery Gain guidance on developing a diagnostic or treatment plan for the individual or small flock of poultry Choose appropriate doses of labeled and extra-label drugs Find new chapters on emergency medicine, toxicology, euthanasia, gross pathology, normal and abnormal radiographic findings, and other key topics Use color photographs to aid in breed identification and poultry disease diagnoses View photographs, videos, and linked references and websites on an accompanying website This is an essential and comprehensive guide providing enhanced and updated information to support all types of practitioners—from the dedicated avian veterinarian to those who rarely treat these species.
Download or read book Poultry Annual written by and published by . This book was released on 1966 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physiological and Economical Effect of Density and Cage Size on Two Genetically Different Strains of Commercial Layers by : Edward Lee Fulton
Download or read book The Physiological and Economical Effect of Density and Cage Size on Two Genetically Different Strains of Commercial Layers written by Edward Lee Fulton and published by . This book was released on 1970 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of studies was designed to determine the effect of bird numbers per cage and floor area per bird on laying performance. Adrenal weights were also measured on selected treatments. Two strains of commercially available birds, an incrossbred strain and a California Gray x White Leghorn cross, with body weights at housing time of about 1,400 and 1,650 grams, respectively, were used. A total of 1,134 birds of each strain were randomly assigned to three different cage sizes and three densities within each cage size. A general decline in final average body weight and average hen-day egg production occurred as bird density per cage increased. The bird number per cage and floor area per bird had a significant affect on the average egg size, percent large eggs, and feed efficiency. For the strain of incrossbred birds used for this study, three 2 or four birds per cage allowing a minimum of 464 cm of floor space per bird appeared to be the optimum social arrangement for minimum stress and maximum performance. For the California Gray x White Leghorn cross the optimum number of birds appeared to be two or three birds per cage if allowed at least 580 cm of floor space. Floor area per bird appeared to be regulated to some degree by the total body mass within a cage. The adrenal weights based on milligrams of gland per gram of body weight increased as the bird densities per cage increased.
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1968 with total page 1492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Welfare of the Laying Hen by : G. C. Perry
Download or read book Welfare of the Laying Hen written by G. C. Perry and published by CABI. This book was released on 2004-01-01 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: The welfare of egg-producing poultry is a topic of great concern to the poultry industry and to researchers in applied animal behaviour. It is also subject to increased legislation. Issues such as battery cages, space requirements, access to daylight and ''free-range'' eggs have attracted public interest.
Download or read book Cornell Poultry Pointers written by and published by . This book was released on 1994 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nutrient Requirements of Poultry and Nutritional Research by : C. Fisher
Download or read book Nutrient Requirements of Poultry and Nutritional Research written by C. Fisher and published by Butterworth-Heinemann. This book was released on 1986 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
