Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Sources Of Biological Variation In Residual Feed Intake In Growing And Finishing Steers
Download Sources Of Biological Variation In Residual Feed Intake In Growing And Finishing Steers full books in PDF, epub, and Kindle. Read online Sources Of Biological Variation In Residual Feed Intake In Growing And Finishing Steers ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Sources of Biological Variation in Residual Feed Intake in Growing and Finishing Steers by : Erin Gwen Brown
Download or read book Sources of Biological Variation in Residual Feed Intake in Growing and Finishing Steers written by Erin Gwen Brown and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives of this research were to characterize residual feed intake (RFI) in growing and finishing steers and examine phenotypic correlations between performance, feed efficiency, carcass, digestibility, and physiological indicator traits. The research included two growing studies and one finishing study. Braunvieh-sired crossbred steers (n = 169) and Santa Gertrudis steers (n = 120) were individually fed a roughage-based diet for 77 d during the growing phase. Santa Gertrudis steers (n = 120) were individually fed a grain-based diet for 80 d during the finishing phase. Individual body weight (BW) and feed intake data were recorded. Residual feed intake was calculated as the difference between actual dry matter intake (DMI) and DMI predicted from linear regression of DMI on mid-test metabolic BW. During the growing phase, initial ultrasound measures of 12th rib fat thickness (FT) and final ultrasound measures of Longissimus muscle area (LMA), FT, and intramuscular fat (IMF) were obtained. During the finishing phase, initial and final LMA, FT, and IMF ultrasound measurements were obtained. Finishing steers were slaughtered at 1.0 cm of FT and carcass cooler traits measured. Blood samples were collected at the start and end of each feeding period and analyzed for physiological indicators. Temperament traits were also measured at the start and end of each feeding period. Growing and finishing steers with low RFI consumed 19-22% less feed than growing and finishing steers with high RFI, but did not differ in average daily gain(ADG). Consequently, steers with low RFI were also more efficient as measured by feed conversion ratio and partial efficiency of growth. Steers with low RFI had less FTcompared to steers with high RFI. Initial serum IGF-I was correlated with RFI in growing steers indicating that IGF-I could be a potential indicator trait for RFI in growing cattle. Additionally, RFI was correlated with digestibility to indicate more efficient cattle had higher dry matter digestibility. Results indicate that RFI has potential to allow producers to select more efficient animals without increasing growth rate. Moreover, serum IGF-I may facilitate early detection and more accurate selection of animals that are superior for growing RFI.
Book Synopsis Biological Basis for Variation in Residual Feed Intake in Beef Cattle by : Emma Richardson
Download or read book Biological Basis for Variation in Residual Feed Intake in Beef Cattle written by Emma Richardson and published by . This book was released on 2002 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identifying Potential Sources of Variation in Residual Feed Intake in Beef Cattle by : Kevin S. Shaffer
Download or read book Identifying Potential Sources of Variation in Residual Feed Intake in Beef Cattle written by Kevin S. Shaffer and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feed efficiency in swine by : John F. Patience
Download or read book Feed efficiency in swine written by John F. Patience and published by Springer Science & Business Media. This book was released on 2012-10-15 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Feed efficiency in swine' has been prepared as a comprehensive treatise on the current state of our understanding of this topic which is so important to the pork industry. Each chapter is written by international authorities who understand both the science and application of their topic area. The book provides detailed insight into the many factors affecting feed efficiency, ranging from diet processing to herd health, from nutrition to physiology and from day-to-day barn management to the adoption of advanced technologies. The authors explain such practical aspects as the challenge of interpreting feed efficiency information obtained on farm or the role of liquid feeding. The authors also delve into more scientific topics such as amino acid or energy metabolism or animal physiology. This book is written for people who have a technical interest in pork production, including nutritionists, geneticists, farm management specialists, veterinarians, other academics and, of course, pork producers.
Book Synopsis Feed Efficiency in the Beef Industry by : Rodney A. Hill
Download or read book Feed Efficiency in the Beef Industry written by Rodney A. Hill and published by John Wiley & Sons. This book was released on 2012-09-11 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Factors Contributing to Variation in Residual Feed Intake in Mature and Growing Beef Animals by : Claire Fitzsimons
Download or read book Factors Contributing to Variation in Residual Feed Intake in Mature and Growing Beef Animals written by Claire Fitzsimons and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biology of Domestic Animals by : Colin G. Scanes
Download or read book Biology of Domestic Animals written by Colin G. Scanes and published by CRC Press. This book was released on 2017-09-01 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is increasing interest in the biology of domestic animals ranging from genomics, transcriptomics, metabolomics, nutritional physiology, and systems biology. This book touches on all of these, with a particular focus on topics such as domestic animals as comparative models to humans, molecular regulation of growth, metabolic efficiency, reproduction, and the impact of stress on growth and development. The book concludes with a discussion on the current and future directions for researchers.
Book Synopsis Biology of Domestic Animals by : Colin G. Scanes
Download or read book Biology of Domestic Animals written by Colin G. Scanes and published by CRC Press. This book was released on 2017-09-01 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is increasing interest in the biology of domestic animals ranging from genomics, transcriptomics, metabolomics, nutritional physiology, and systems biology. This book touches on all of these, with a particular focus on topics such as domestic animals as comparative models to humans, molecular regulation of growth, metabolic efficiency, reproduction, and the impact of stress on growth and development. The book concludes with a discussion on the current and future directions for researchers.
Download or read book Feed Evaluation written by P. O. Osuji and published by ILRI (aka ILCA and ILRAD). This book was released on 1993-01-01 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Management Regimen, Residual Feed Intake and Reranking on Performance, Carcass and Meat Quality in Beef Steers by : Natalie Ferriman
Download or read book Effects of Management Regimen, Residual Feed Intake and Reranking on Performance, Carcass and Meat Quality in Beef Steers written by Natalie Ferriman and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Residual feed intake (RFI) is a measurement of feed efficiency and is becoming a popular trait used in genetic selection. This study evaluated the effects of RFI classification on beef cattle performance, carcass and meat quality and its repeatability between growing and finishing phases of production. Cattle were managed on two different nutritional management regimens consisting of finishing on a high grain diet or backgrounding cattle prior to being finished on a high grain diet. Extensive RFI reranking occurred between production phases. Reranking was positively correlated with longissimus muscle area but did not influence other carcass and meat quality parameters. Growing phase RFI classification had a minimal effect on carcass traits, while low RFI classified steers in the finishing phase produced bigger ribeyes. High RFI steers produced juicier and more tender beef compared to low RFI steers assessed using taste panel and consumer evaluations.
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 Metabolic Modifiers by : National Research Council
Download or read book Metabolic Modifiers written by National Research Council and published by National Academies. This book was released on 1994-02-01 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past decade, animal scientists have learned that administering recombinantly derived somatotropin (growth hormone) to cows improves milk production and that giving beta-adrenergic agonists to meat animals improves productivity and leanness. In order for these metabolic modifiers to yield benefits, however, sound management of the animals' nutrition is necessary. This volume reports on how these substances work in the animals' metabolism, what effects they might have on nutrient requirements of domestic livestock, and what information should be developed further by investigators. The book explores the current understanding of the biology, structure, mechanisms of action, and treatment effects of somatotropin, beta-adrenergic agonists, and anabolic steroids. A companion volume to the Nutrient Requirements of Domestic Animals series, this authoritative volume will be required reading for animal scientists, researchers, veterinarians, livestock farmers, and faculty and students in university animal veterinary science programs.
Book Synopsis Livestock's Long Shadow by : Henning Steinfeld
Download or read book Livestock's Long Shadow written by Henning Steinfeld and published by Food & Agriculture Org.. This book was released on 2006 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The assessment builds on the work of the Livestock, Environment and Development (LEAD) Initiative"--Pref.
Book Synopsis Lawrie's Meat Science by : Fidel Toldra
Download or read book Lawrie's Meat Science written by Fidel Toldra and published by Woodhead Publishing. This book was released on 2017-04-29 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lawrie’s Meat Science, Eighth Edition, provides a timely and thorough update to this key reference work, documenting significant advances in the meat industry, including storage and preservation of meat, the eating quality of meat, and meat safety. The book examines the growth and development of meat animals, from the conversion of muscle to meat and eventual point of consumption. This updated volume has been expanded to include chapters examining such areas as packaging and storage, meat tenderness, and meat safety. Furthermore, central issues such as the effects of meat on health and the nutritional value of meat are analyzed. Broadly split into four sections, the book opens with the fundamentals behind the growth of meat animals. The second section covers the storage and spoilage of meat products, with the third section exploring the eating quality of meat, from flavor to color. The final section reviews meat safety, authenticity, and the effect of meat on health. Encompasses the recognized gold- standard reference for the meat industry Brings together leading experts in each area, providing a complete overview of the meat sciences Includes all the latest advances, bringing this new edition completely up-to-date, including developments in meat quality, safety, and storage
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :925107920X Total Pages :139 pages Book Rating :4.2/5 (51 download)
Book Synopsis Tackling Climate Change Through Livestock by : Food and Agriculture Organization of the United Nations
Download or read book Tackling Climate Change Through Livestock written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2013 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Greenhouse gas emissions by the livestock sector could be cut by as much as 30 percent through the wider use of existing best practices and technologies. FAO conducted a detailed analysis of GHG emissions at multiple stages of various livestock supply chains, including the production and transport of animal feed, on-farm energy use, emissions from animal digestion and manure decay, as well as the post-slaughter transport, refrigeration and packaging of animal products. This report represents the most comprehensive estimate made to-date of livestocks contribution to global warming as well as the sectors potential to help tackle the problem. This publication is aimed at professionals in food and agriculture as well as policy makers.
Book Synopsis Energy and Protein Metabolism and Nutrition by : Mario Luiz Chizzotti
Download or read book Energy and Protein Metabolism and Nutrition written by Mario Luiz Chizzotti and published by Brill Wageningen Academic. This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Variations in feeding frequency may lead to difference in utilization of dietary nutrients. The effects of feeding frequency have been tested in growing pigs and finishing pigs using respiratory quotient and postprandial kinetics of plasma metabolites. A reduced feeding frequency resulted in an increased lipogenesis and proteolysis shortly after the meal both in growing and finishing pigs. Nevertheless, growing and finishing pigs exhibit different metabolic pathways when feeding frequency is reduced.
Author :Harinder P. S. Makkar Publisher :Food & Agriculture Organization of the UN (FAO) ISBN 13 : Total Pages :556 pages Book Rating :4.:/5 (31 download)
Book Synopsis Biofuel Co-products as Livestock Feed by : Harinder P. S. Makkar
Download or read book Biofuel Co-products as Livestock Feed written by Harinder P. S. Makkar and published by Food & Agriculture Organization of the UN (FAO). This book was released on 2012 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication covers a wide array of co-products.
