Effects Of Source And Level Of Dietary Roughage And Ractopamine Optaflexx Supplementation On Growth Performance Carcass Characteristics And Meat Quality In Beef Cattle

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Effects of Source and Level of Dietary Roughage and Ractopamine (Optaflexx) Supplementation on Growth Performance, Carcass Characteristics and Meat Quality in Beef Cattle

Author : Danielle Laura Glanc
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Effects of Source and Level of Dietary Roughage and Ractopamine (Optaflexx) Supplementation on Growth Performance, Carcass Characteristics and Meat Quality in Beef Cattle by : Danielle Laura Glanc

Download or read book Effects of Source and Level of Dietary Roughage and Ractopamine (Optaflexx) Supplementation on Growth Performance, Carcass Characteristics and Meat Quality in Beef Cattle written by Danielle Laura Glanc and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A high moisture corn/soybean meal-based finishing ration was used to examine the effects of roughage source (corn silage, alfalfa hay), level of dietary roughage (8, 16, 24%), and ractopamine supplementation (none, Optaflexx) on growth performance, carcass traits, and beef quality for finishing 108 steers and 24 heifers (initial BW = 308 kg). Cattle were allocated by gender to 12 management regimen subclasses. Optaflexx (trade name for ractopamine hydrochloride) was fed over the last 28 d on feed with cattle marketed after common days on feed. Growth performance (ADG, feed intake, and feed efficiency) and carcass traits were assessed on an individual animal basis. A primal rib and semitendinosus (ST) muscle from each animal were processed at the University of Guelph Meat Laboratory for carcass and meat quality evaluations. Tenderness was determined using shear force assessment of product aged 7, 14, and 21 d. Average daily gains were similar (P > 0.27) across main effects while use of corn silage as the roughage source decreased (P 0.001) dry matter intake and improved (P 0.001) feed efficiency compared to feeding alfalfa hay. Roughage level and beta agonist supplementation did not affect (P 0.13) dry matter intake or feed efficiency. When the last 28 days on feed were examined, Optaflexx supplementation increased (P 0.001) weight change, ADG, and improved feed conversion, while DMI remained unchanged (P 0.373). Carcass traits including hot carcass weight, grade fat, longissimus muscle area, marbling, and body composition as assessed by rib dissection (% lean, fat, bone) were not affected (P 0.14) by roughage level, source, or use of Optaflexx. Fat partitioning and liver abscess scores were unaffected (P > 0.09) by source and level of roughage fed, and use of Optaflexx. Source and level of dietary roughage did not affect color (P > 0.21) or shear force (P > 0.20) values for longissimus (LM) and semitendinosus (ST) steaks. Lower DMI and better feed conversion can be achieved using corn silage as the roughage source, while inclusion of up to 24% roughage in finishing diets may not negatively impact gains, carcass characteristics or beef quality. Beef producers may be able to increase amounts of roughage in the diet to lower cost of production without compromising growth performance and carcass and meat quality.

Growth Regulation in Farm Animals

Author :
Publisher :
ISBN 13 :
Total Pages : 629 pages
Book Rating : 4.:/5 (247 download)

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Book Synopsis Growth Regulation in Farm Animals by :

Download or read book Growth Regulation in Farm Animals written by and published by . This book was released on 1991 with total page 629 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Feeding Optaflexx 45 (ractopamine-HCl) to Cull Cows

Author : Ryan Dijkhuis
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (66 download)

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Book Synopsis Feeding Optaflexx 45 (ractopamine-HCl) to Cull Cows by : Ryan Dijkhuis

Download or read book Feeding Optaflexx 45 (ractopamine-HCl) to Cull Cows written by Ryan Dijkhuis and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Data were analyzed using the MIXED procedure of SASutilizing animal as the experimental unit. Significance was determined at P [greater than] 0.05. Hot carcass weight tended (P = 0.14) to be lower for the 100 mg/hd/d group compared to the control. Dressing percent tended (P = 0.19) to be lower for the 200 mg/hd/d group compared to the control. There were no differences in ribeye area, or percent intramuscular fat. There was a trend (P = 0.11) for percent fat-free lean to increase as ractopamine-HCl dose increased. Ractopamine-HCl had minimal effects on meat tenderness overall for the nine muscles evaluated. The 200 mg/hd/d VAL type I fiber increased in cross sectional area and diameter. SMB and VAL fibers underwent a fiber-type shift from type I fiber to type II fiber in the 200 mg/hd/d group. In conclusion, feeding ractopamine-HCl at the 100, 200, or 300 mg/hd/d level to cull beef cows has little to no effect on carcass characteristics in comparison to feeding with the exclusion of ractopamine-HCl, but ractopamine did have some minimal effects on total fat-free lean percentage and WBSF values. An unexpected histological change was observed in muscle fiber which has not been reported in cull cows treated with ractopamine-HCl.

Handbook of Meat Processing

Author : Fidel Toldrá
Publisher : John Wiley & Sons
ISBN 13 : 0813821827
Total Pages : 582 pages
Book Rating : 4.8/5 (138 download)

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Book Synopsis Handbook of Meat Processing by : Fidel Toldrá

Download or read book Handbook of Meat Processing written by Fidel Toldrá and published by John Wiley & Sons. This book was released on 2010-04-20 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook comprehensively presents the current status of the manufacturing of the most important meat products. Editor and renowned meat expert Fidel Toldrá heads an international collection of meat scientists who have contributed to this essential reference book. Coverage is divided into three parts. Part one, Technologies, begins with discussions on meat chemistry, biochemistry and quality and then provides background information on main technologies involved in the processing of meat, such as freezing, cooking, smoking, fermentation, emulsification, drying and curing. Also included are key chapters on packaging, spoilage prevention and plant cleaning and sanitation. Part two, Products, is focused on the description of the manufacture of the most important products, including cooked and dry-cured hams, cooked and fermented sausages, bacon, canned meat, paté, restructured meats and functional meat products. Each chapter addresses raw materials, ingredients and additives, processing technology, main types of products, production data, particular characteristics and sensory aspects, and future trends. Part three, Controls, offers current approaches for the control of the quality and safety of manufactured meat products, with coverage including sensory evaluation; chemical and biological hazards including GMOs; HACCP; and quality assurance. This book is an invaluable resource for all meat scientists, meat processors, R&D professionals and product developers. Key features: Unparalleled international expertise of editor and contributing authors Addresses the state of the art of manufacturing the most important meat products Special focus on approaches to control the safety and quality of processed meats Extensive coverage of production technologies, sanitation, packaging and sensory evaluation

Effects of Ractopamine Plus Amino Acids on Growth Performance, Carcass Characteristics, Meat Quality, and Ractopamine Residues of Finishing Pigs

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Author : Claudia Andrea Elmes Hinojosa
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (954 download)

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Book Synopsis Effects of Ractopamine Plus Amino Acids on Growth Performance, Carcass Characteristics, Meat Quality, and Ractopamine Residues of Finishing Pigs by : Claudia Andrea Elmes Hinojosa

Download or read book Effects of Ractopamine Plus Amino Acids on Growth Performance, Carcass Characteristics, Meat Quality, and Ractopamine Residues of Finishing Pigs written by Claudia Andrea Elmes Hinojosa and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Air Emissions from Animal Feeding Operations

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309168643
Total Pages : 286 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Air Emissions from Animal Feeding Operations by : National Research Council

Download or read book Air Emissions from Animal Feeding Operations written by National Research Council and published by National Academies Press. This book was released on 2003-04-07 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air Emissions from Animal Feeding Operations: Current Knowledge, Future Needs discusses the need for the U.S. Environmental Protection Agency to implement a new method for estimating the amount of ammonia, nitrous oxide, methane, and other pollutants emitted from livestock and poultry farms, and for determining how these emissions are dispersed in the atmosphere. The committee calls for the EPA and the U.S. Department of Agriculture to establish a joint council to coordinate and oversee short - and long-term research to estimate emissions from animal feeding operations accurately and to develop mitigation strategies. Their recommendation was for the joint council to focus its efforts first on those pollutants that pose the greatest risk to the environment and public health.

Nutritional Strategies of Animal Feed Additives

Author : Abdel-Fattah Z. M. Salem
Publisher : NOVA
ISBN 13 : 9781624170003
Total Pages : 0 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Nutritional Strategies of Animal Feed Additives by : Abdel-Fattah Z. M. Salem

Download or read book Nutritional Strategies of Animal Feed Additives written by Abdel-Fattah Z. M. Salem and published by NOVA. This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quality of feed nutrition is influenced not only by the content but also by some other aspects such as, feed presentation, hygiene, anti-nutritional factors, digestibility and palatability. Feed additives provide a mechanism by which such dietary deficiencies can be addressed and also benefits not only associated with the nutrition and thus the growth rate of the animal concerned, but also its health and welfare. Feed additives could modify animal metabolism in specific and direct ways by improving production efficiency (weight gain or milk yield); improving carcass composition in growing animals; increasing milk yield in lactating animals; and decreasing animal waste per production unit. This book discusses the impacts of feed additives on animal metabolism, health and production.

Red Meat Science and Production

Author : Joseph William Holloway
Publisher : Springer
ISBN 13 : 9811378568
Total Pages : 246 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Red Meat Science and Production by : Joseph William Holloway

Download or read book Red Meat Science and Production written by Joseph William Holloway and published by Springer. This book was released on 2019-08-06 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively describes the biological underpinnings of red meat production, discussing the current state of the science in the context of the provision of red meat products perceived by consumers to offer a quality eating experience. Covering advances in the science of red meat production, it focuses on production system elements that affect product quality. The chapters explore the latest developments in the determination of consumer preferences, and interpret of these preferences in terms of quality characteristics of red meat, investigating the science-based orchestration of red meat production to achieve product consistency. The book highlights topics such as consumer preferences, the biological and production system elements affecting red meat safety, and the intrinsic (appearance, aroma, and sensory quality) and extrinsic (humane animal and environmentally friendly production) characteristics of red meat. For each characteristic, it discusses the underlying biological and biochemical processes and examines means of altering production systems to impact consumer eating experiences. The book also features a perspective on creating holistic integrated systems for producing red meats to meet consumers’ expectations around the globe. Written by leading authorities in the area of global red meat production systems, it is a comprehensive resource for consumer-oriented red meat producers.

Meathooked

Author : Marta Zaraska
Publisher : Basic Books
ISBN 13 : 046509872X
Total Pages : 274 pages
Book Rating : 4.4/5 (65 download)

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Book Synopsis Meathooked by : Marta Zaraska

Download or read book Meathooked written by Marta Zaraska and published by Basic Books. This book was released on 2016-02-23 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the great science and health revelations of our time is the danger posed by meat-eating. Every day, it seems, we are warned about the harm producing and consuming meat can do to the environment and our bodies. Many of us have tried to limit how much meat we consume, and many of us have tried to give it up altogether. But it is not easy to resist the smoky, cured, barbequed, and fried delights that tempt us. What makes us crave animal protein, and what makes it so hard to give up? And if consuming meat is truly unhealthy for human beings, why didn't't evolution turn us all into vegetarians in the first place? In Meathooked, science writer Marta Zaraska explores what she calls the "meat puzzle": our love of meat, despite its harmful effects. Zaraska takes us on a witty tour of meat cultures around the word, stopping in India's unusual steakhouses, animal sacrifices at temples in Benin, and labs in the Netherlands that grow meat in petri dishes. From the power of evolution to the influence of the meat lobby, and from our genetic makeup to the traditions of our foremothers, she reveals the interplay of forces that keep us hooked on animal protein. A book for everyone from the diehard carnivore to the committed vegan, Meathooked illuminates one of the most enduring features of human civilization, ultimately shedding light on why meat-eating will continue to shape our bodies -- and our world -- into the foreseeable future.

Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers

Download Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers PDF Online Free

Author : Bailey Marie Edenburn
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (951 download)

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Book Synopsis Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers by : Bailey Marie Edenburn

Download or read book Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers written by Bailey Marie Edenburn and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Interactive Effects Between Ractopamine Hydrochloride and Dietary Lysine on Finishing Pig Growth Performance, Carcass Characteristics, and Tissue Accretion

Download Interactive Effects Between Ractopamine Hydrochloride and Dietary Lysine on Finishing Pig Growth Performance, Carcass Characteristics, and Tissue Accretion PDF Online Free

Author : Michael James Webster
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (499 download)

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Book Synopsis Interactive Effects Between Ractopamine Hydrochloride and Dietary Lysine on Finishing Pig Growth Performance, Carcass Characteristics, and Tissue Accretion by : Michael James Webster

Download or read book Interactive Effects Between Ractopamine Hydrochloride and Dietary Lysine on Finishing Pig Growth Performance, Carcass Characteristics, and Tissue Accretion written by Michael James Webster and published by . This book was released on 2001 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Swine Nutrition

Author : Elwyn R. Miller
Publisher : Butterworth-Heinemann
ISBN 13 : 1483162117
Total Pages : 692 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Swine Nutrition by : Elwyn R. Miller

Download or read book Swine Nutrition written by Elwyn R. Miller and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Swine Nutrition is a comprehensive text-reference that deals with the various aspects and knowledge in swine nutrition. The book is basically about nutrient utilization by swine. The topics discussed concerning this subject are factors influencing swine nutrition, nutrient bioavailability, appetite and feeding behavior, physical forms of feed, environment and management, immunocompetence, genetic and sex considerations, mycotoxins, and intestinal microbiology. Major and unique feedstuffs, feeding regimen in different stages of growth, and techniques in swine nutrition research are also elaborated. The text will be useful to students of advance swine nutrition courses as well as those seeking information in swine nutrition.

Effect of Starch Addition to Concentrate Supplemented at Low Levels in Forage-Finished Beef Cattle on Growth Performance, Carcass Traits, Fatty Acid Profile and Meat Quality

Author : Caitlin Theresa Armstrong-Price
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Effect of Starch Addition to Concentrate Supplemented at Low Levels in Forage-Finished Beef Cattle on Growth Performance, Carcass Traits, Fatty Acid Profile and Meat Quality by : Caitlin Theresa Armstrong-Price

Download or read book Effect of Starch Addition to Concentrate Supplemented at Low Levels in Forage-Finished Beef Cattle on Growth Performance, Carcass Traits, Fatty Acid Profile and Meat Quality written by Caitlin Theresa Armstrong-Price and published by . This book was released on 2017 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metabolic Modifiers

Author : National Research Council
Publisher : National Academies
ISBN 13 : 0309049970
Total Pages : 94 pages
Book Rating : 4.3/5 (9 download)

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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.

Effects of Supplemental Fat Source on Finishing Cattle Growth Performance, Carcass Characteristics, Ruminal Metabolism, and Site and Extent of Digestion

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Author : Sean P. Montgomery
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (645 download)

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Book Synopsis Effects of Supplemental Fat Source on Finishing Cattle Growth Performance, Carcass Characteristics, Ruminal Metabolism, and Site and Extent of Digestion by : Sean P. Montgomery

Download or read book Effects of Supplemental Fat Source on Finishing Cattle Growth Performance, Carcass Characteristics, Ruminal Metabolism, and Site and Extent of Digestion written by Sean P. Montgomery and published by . This book was released on 2005 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Endocrinology of Growth, Development, and Metabolism in Vertebrates

Author : Martin P. Schreibman
Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Endocrinology of Growth, Development, and Metabolism in Vertebrates by : Martin P. Schreibman

Download or read book The Endocrinology of Growth, Development, and Metabolism in Vertebrates written by Martin P. Schreibman and published by . This book was released on 1992 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Endocrinology of Growth, Development, and Metabolism in Vertebrates provides an overview of vertebrate endocrinology. This book aims to strengthen the bridge between medical and comparative endocrinologists by addressing the benefits that they can derive from this association. Organized into five parts encompassing 24 chapters, this volume starts with a discussion on the structure and biological function of growth hormone (GH) and prolactin (PRL) family. This book then explains the extrinsic, genetic, and humoral factors that influence animal growth, particularly in poikilotherms. This tex ...

Principles and Procedures of Statistics

Author : Robert George Douglas Steel
Publisher : McGraw-Hill Companies
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Principles and Procedures of Statistics by : Robert George Douglas Steel

Download or read book Principles and Procedures of Statistics written by Robert George Douglas Steel and published by McGraw-Hill Companies. This book was released on 1960 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistics defined. Some history of statistics. Statistics and the scientific method. studying statistic; Probability. Sampling from a normal distribution. Comparisons involving two sample means. Principles of experimental design. Analysis of variance I: the one-way classification. Analysis of variance II: multiway classifications. Linear regression. Linear correlation. Analysis of variance III: Factorial experiments. Analysis of variance IV: split-plot designs and analysis. Analysis of variance V: unequal subsclass numbers. Multiple and partial regression and correlation. Analysis of covariance. Nonlinear regression. Some uses of chi-square. Enumeration data I: one-way classifications. Enumeration data II: contingency tables. Some discrete distributions. Nonparametric statistics. Sampling finite populations.