Genetic Evaluation Of Cornell Value Discovery System Model Predicted Feed Intake In Beef Cattle
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Genetic Evaluation Of Cornell Value Discovery System Model Predicted Feed Intake In Beef Cattle
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Author : David Paul Kirschten
language : en
Publisher:
Release Date : 2007
Genetic Evaluation Of Cornell Value Discovery System Model Predicted Feed Intake In Beef Cattle written by David Paul Kirschten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Feed Efficiency In The Beef Industry
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Author : Rodney A. Hill
language : en
Publisher: John Wiley & Sons
Release Date : 2012-06-18
Feed Efficiency In The Beef Industry written by Rodney A. Hill and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-18 with Science categories.
Feed Efficiency in the Beef Industry provides a thorough and concise overview of feed efficiency in beef cattle. It frames the great importance of feed efficiency to the industry and details the latest findings of the many scientific disciplines that intersect and aim to improve efficient and sustainable production of nutritious beef. The vast majority of production costs are directly tied to feed. With increased demand for grains to feed a rapidly increasing world population and to supply a new demand for alternative fuels, feed costs continue to increase. In recent years, the negative environmental impacts of inefficient feeding have also been realized; as such feed efficiency is an important factor in both economic viability and environmental sustainability of cattle production. Feed Efficiency in the Beef Industry covers a broad range of topics ranging from economic evaluation of feed efficiency to the physiological and genetic bases of efficient conversion of feed to high quality beef. Chapters also look at how a fuller understanding of feed efficiency is leading to new selective breeding efforts to develop more efficient cattle. With wide-ranging coverage from leading international researchers, Feed Efficiency will be a valuable resource for producers who wish to understand the complexities, challenges, and opportunities to reduce their cost of production, for students studying the topic and for researchers and professionals working in the beef industry.
Proceedings
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Author : Beef Improvement Federation. Research Symposium & Annual Meeting
language : en
Publisher:
Release Date : 2006
Proceedings written by Beef Improvement Federation. Research Symposium & Annual Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Beef cattle categories.
Animal Husbandry Mimeograph Series
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Author :
language : en
Publisher:
Release Date : 2000
Animal Husbandry Mimeograph Series written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Animal industry categories.
Mathematical Modelling In Animal Nutrition
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Author : J. France
language : en
Publisher: CABI
Release Date : 2008
Mathematical Modelling In Animal Nutrition written by J. France and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Technology & Engineering categories.
The primary purpose of each of the subsequent chapters of this book is to promulgate quantitative approaches concerned with elucidating mechanisms in a particular area of the nutrition of ruminants, pigs, poultry, fish or pets. Given the diverse scientific backgrounds of the contributors of each chapter (the chapters in the book are arranged according to subject area), the imposition of a rigid format for presenting mathematical material has been eschewed, though basic mathematical conventions are adhered to.
Book Of Abstracts Of The 71st Annual Meeting Of The European Federation Of Animal Science
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Author : Scientific Committee
language : en
Publisher: Brill Wageningen Academic
Release Date : 2020-11-21
Book Of Abstracts Of The 71st Annual Meeting Of The European Federation Of Animal Science written by Scientific Committee and has been published by Brill Wageningen Academic this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-21 with categories.
This Book of Abstracts is the main publication of the 71st Annual Meeting of the European Federation of Animal Science (EAAP). It contains abstracts of the invited papers and contributed presentations of the sessions of EAAP's eleven Commissions: Animal Genetics, Animal Nutrition, Animal Management and Health, Animal Physiology, Cattle Production, Sheep and Goat Production, Pig Production, Horse Production and Livestock Farming Systems, Insects and Precision Livestock Farming.
Implementation Of High Density Snp Data For Genetic Evaluation And Qtl Discovery In Beef Cattle
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Author : Megan M. Rolf
language : en
Publisher:
Release Date : 2009
Implementation Of High Density Snp Data For Genetic Evaluation And Qtl Discovery In Beef Cattle written by Megan M. Rolf and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Beef cattle categories.
A genomic relationship matrix was built using 1,707 Angus AI sires with complete pedigree information and 698 Angus steers with only paternity information. The genomic matrix was used to estimate breeding values (EBVs) on both sires and steers and residuals were estimated on the steers. EBV and residuals were combined to produce adjusted phenotypes corrected for fixed effects (year and season of birth within feeding pen) for three feed efficiency related traits (average daily feed intake, AFI; residual feed intake, RFI; and average daily gain, ADG). These dependent variables were used for whole genome association analysis. A genome-wide significance of threshold equivalent to p [lesser than] 0.05 was determined via dependant variable permutation analysis to control experiment wide error rate. Final models for the three traits were assembled using EBVs of steers and explained 54.097%, 62.687% and 54.724% of the genetic variance in AFI, RFI and ADG, respectively. Utility of predicted feed intakes for genetic selection was also tested. Predicted feed intakes (pDMR) were estimated using the Cornell Value Discovery System (CVDS) and were adjusted for fixed effects and EBVs were estimated. Whole genome analysis was performed and concordant SNP associations for ADG, RFI and AFI were identified. Index selection may include pDMR to increase information on feed intake, however correlated responses in ADG are likely if not used within an index.
Scientific Advances In Animal Nutrition
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2002-02-07
Scientific Advances In Animal Nutrition written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-02-07 with Technology & Engineering categories.
The science of animal nutrition has made significant advances in the past century. In looking back at the discoveries of the 20th century, we can appreciate the tremendous impact that animal nutrition has had on our lives. From the discovery of vitamins and the sweeping shift in the use of oilseeds to replace animal products as dietary protein sources for animals during the war times of the 1900s-to our integral understanding of nutrients as regulators of gene expression today-animal nutrition has been the cornerstone for scientific advances in many areas. At the milestone of their 70th year of service to the nation, the National Research Council's (NRC) Committee on Animal Nutrition (CAN) sought to gain a better understanding of the magnitude of recent discoveries and directions in animal nutrition for the new century we are embarking upon. With financial support from the NRC, the committee was able to organize and host a symposium that featured scientists from many backgrounds who were asked to share their ideas about the potential of animal nutrition to address current problems and future challenges.
Bovine Medicine
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Author : Anthony H. Andrews
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
Bovine Medicine written by Anthony H. Andrews and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Medical categories.
Bovine Medicine provides practical and comprehensive information oncattle disease and production and is a key reference for all largeanimal vets. Since the first edition was published in 1991 therehave been significant improvements in disease control andmanagement of cattle. Almost all parts of the book have beenupdated and completely rewritten. There are new chapters onsurgery, embryo transfer, artificial insemination, ethno-veterinarymedicine and biosecurity, and a new consolidating chapter on theinteraction between the animal, environment, management anddisease. The previous edition has sold all over the world, and as aresult of this a greater emphasis has been placed on conditions andtheir treatment in areas other than temperate regions. A newsection entitled "Global Variation in Cattle Practice" has beenincluded with contributors discussing bovine medicine practice intheir part of the world. All in all this is an outstanding resource for any practisingvet and an excellent reference for veterinary students.
Nutritional Ecology Of The Ruminant
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Author : Peter J. Van Soest
language : en
Publisher: Cornell University Press
Release Date : 1994
Nutritional Ecology Of The Ruminant written by Peter J. Van Soest and has been published by Cornell University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Medical categories.
This monumental text-reference places in clear persepctive the importance of nutritional assessments to the ecology and biology of ruminants and other nonruminant herbivorous mammals. Now extensively revised and significantly expanded, it reflects the changes and growth in ruminant nutrition and related ecology since 1982. Among the subjects Peter J. Van Soest covers are nutritional constraints, mineral nutrition, rumen fermentation, microbial ecology, utilization of fibrous carbohydrates, application of ruminant precepts to fermentive digestion in nonruminants, as well as taxonomy, evolution, nonruminant competitors, gastrointestinal anatomies, feeding behavior, and problems fo animal size. He also discusses methods of evaluation, nutritive value, physical struture and chemical composition of feeds, forages, and broses, the effects of lignification, and ecology of plant self-protection, in addition to metabolism of energy, protein, lipids, control of feed intake, mathematical models of animal function, digestive flow, and net energy. Van Soest has introduced a number of changes in this edition, including new illustrations and tables. He places nutritional studies in historical context to show not only the effectiveness of nutritional approaches but also why nutrition is of fundamental importance to issues of world conservation. He has extended precepts of ruminant nutritional ecology to such distant adaptations as the giant panda and streamlined conceptual issues in a clearer logical progression, with emphasis on mechanistic causal interrelationships. Peter J. Van Soest is Professor of Animal Nutrition in the Department of Animal Science and the Division of Nutritional Sciences at the New York State College of Agriculture and Life Sciences, Cornell University.