Effects Of Dietary Lysine On Muscle Gene Expression And Fatty Acid Profiles And On Selected Carcass Characteristics And Plasma Hormone Concentrations In Late Stage Finishing Pigs

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Effects of Dietary Lysine on Muscle Gene Expression and Fatty Acid Profiles and on Selected Carcass Characteristics and Plasma Hormone Concentrations in Late-stage Finishing Pigs

Author : Taiji Wang
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (96 download)

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Book Synopsis Effects of Dietary Lysine on Muscle Gene Expression and Fatty Acid Profiles and on Selected Carcass Characteristics and Plasma Hormone Concentrations in Late-stage Finishing Pigs by : Taiji Wang

Download or read book Effects of Dietary Lysine on Muscle Gene Expression and Fatty Acid Profiles and on Selected Carcass Characteristics and Plasma Hormone Concentrations in Late-stage Finishing Pigs written by Taiji Wang and published by . This book was released on 2016 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dietary inclusion of sufficient lysine is very critical for optimizing pig’s growth performance. The objectives of this project were to study the effects of dietary lysine at different concentrations on (1) the growth performance and carcass characteristics, (2) the muscle gene expression profile and the possible alterations to the metabolic and signaling pathways, (3) the muscle fatty acid profile, and (4) the plasma concentrations of growth-related hormones of late-stage finishing pigs. Nine crossbred barrows were assigned to 3 dietary treatments (lysine-deficient, -adequate, and -excess diets) according to a completely randomized experimental design. During the 5-week feeding trial, pigs were allowed ad libitum access to experimental diets and water. All pigs and experimental diets were weighed individually each week during feeding trial to determine growth performance. After harvest, the carcass characteristics were determined and muscle samples were collected from longissimus dorsi for mRNA and fatty acid profiling, while the jugular vein blood was collected at the end of four weeks for analyses of three growth-related hormones. While the average daily gain showed a quadratic relationship, the dressing percentage and total lean cut weight both increased linearly with dietary lysine concentrations. Results of muscle gene expression data showed that dietary lysine deficiency may lead to decreased protein synthesis, increased protein degradation and lipid accumulation, while dietary lysine excess may lead to decreased protein degradation and increased lipid biosynthesis. Fatty acid (FA) composition data showed that different dietary lysine concentrations altered the intramuscular fat (IMF) content and FA composition, especially the unsaturated FAs. In particular, dietary lysine deficiency increased the IMF content and the proportion of mono-unsaturated FAs. Hormone analyses showed that the plasma concentrations of insulin and growth hormone were not affected by dietary lysine, whereas the concentration of insulin-like growth factor 1 was decreased by either dietary lysine deficiency or excess. Collectively, lysine may function as a signaling molecule to regulate the expression of genes related to protein turnover and lipid metabolism in the muscle of finishing pigs, causing differences in growth performance, carcass characteristics, and FA composition. IGF-1 may be a controlling growth factor that is sensitive to dietary lysine.

Effect of Dietary Lysine on Plasma Amino Acid Profile and Selected Metabolites of Late-stage Finishing Pigs

Author : Naresh Regmi
Publisher :
ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (924 download)

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Book Synopsis Effect of Dietary Lysine on Plasma Amino Acid Profile and Selected Metabolites of Late-stage Finishing Pigs by : Naresh Regmi

Download or read book Effect of Dietary Lysine on Plasma Amino Acid Profile and Selected Metabolites of Late-stage Finishing Pigs written by Naresh Regmi and published by . This book was released on 2015 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to evaluate the effects of dietary lysine on plasma concentrations of amino acid (AAs) and other metabolites of finishing pigs. Eighteen crossbred late-stage finishing pigs (9 barrows and 9 gilts) were assigned to three dietary treatments, Diets I (lysine-deficient), II (lysine-adequate), and III (lysine-excess), according to a randomized complete block design with gender as block. After 4 weeks on trial, jugular vein blood was collected and centrifuged for plasma samples, which were analyzed for concentrations of 24 AAs using HPLC method and 6 selected metabolites related to major nutrient metabolism using ACE Alera Clinical Chemistry System. Dietary lysine had a significant effect on plasma concentrations of 13 AAs and 3 metabolites (albumin, cholesterol, and urea nitrogen). The patterns of AA and metabolite concentrations alteration indicated complex metabolic interactions between lysine and other AAs, which subsequently had effects on other metabolites and animal growth performance. performance.

Amino Acid

Author : Toshiki Asao
Publisher : BoD – Books on Demand
ISBN 13 : 9535132415
Total Pages : 296 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Amino Acid by : Toshiki Asao

Download or read book Amino Acid written by Toshiki Asao and published by BoD – Books on Demand. This book was released on 2017-06-28 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amino Acid - New Insights and Roles in Plant and Animal provides useful information on new aspects of amino acid structure, synthesis reactions, dietary application in animals, and metabolism in plants. Section 1 includes chapters that describe the therapeutic uses, antiallergic effects, new aspects in the D-amino acid structure, historical background of desmosines, and stereoselective synthesis of ?-aminophosphonic acids. Section 2 presents the role of amino acids in plants, which includes new insights and aspects of D-amino acids, metabolism and transport in soybean, changes during energy storage compound accumulation of microalgae, and determination of amino acids from natural compounds. Section 3 describes the chapters on methodologies and requirement of dietary amino acids for Japanese quails, laying hens, and finishing pigs. The final chapter identifies potential importance of glutathione S-transferase activity for generating resistance to triclabendazole in Fasciola hepatica.

Effects of Dietary Lysine Levels on the Plasma Concentrations of Growth-Related Hormones in Late-Stage Finishing Pigs

Author : Taiji Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Effects of Dietary Lysine Levels on the Plasma Concentrations of Growth-Related Hormones in Late-Stage Finishing Pigs by : Taiji Wang

Download or read book Effects of Dietary Lysine Levels on the Plasma Concentrations of Growth-Related Hormones in Late-Stage Finishing Pigs written by Taiji Wang and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was undertaken to investigate the effects of dietary lysine on the plasma concentrations of three growth-related hormones in pigs. Nine late-stage finishing barrows were assigned to three dietary treatments according to a completely randomized experimental design (3 pigs/treatment). Three corn and soybean meal-based diets were formulated to contain three levels of lysine, which were 0.43, 0.71, and 0.98% for Diets 1 (lysine deficient), 2 (lysine adequate), and 3 (lysine excess), respectively. The feeding trial lasted 4 weeks, during which the pigs were allowed ad libitum access to the diets and water. After the 4 weeks, blood was collected and plasma samples were obtained. Then, the plasma concentrations of insulin, growth hormone (GH), and insulin-like growth factor 1 (IGF-1) were measured. No difference in the plasma concentration of insulin or GH among the three treatments was found (P > 0.10). However, the plasma IGF-1 concentration was lower (P

Effects of Dietary Lysine Restriction on Nutrient Metabolism and Muscle Gene Expression in Young Growing Pigs

Author : Md Shamimul Hasan
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (117 download)

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Book Synopsis Effects of Dietary Lysine Restriction on Nutrient Metabolism and Muscle Gene Expression in Young Growing Pigs by : Md Shamimul Hasan

Download or read book Effects of Dietary Lysine Restriction on Nutrient Metabolism and Muscle Gene Expression in Young Growing Pigs written by Md Shamimul Hasan and published by . This book was released on 2020 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Feed efficiency in swine

Author : John F. Patience
Publisher : Springer Science & Business Media
ISBN 13 : 9086867561
Total Pages : 264 pages
Book Rating : 4.0/5 (868 download)

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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.

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.

Bibliography of Agriculture

Author :
Publisher :
ISBN 13 :
Total Pages : 944 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Bibliography of Agriculture by :

Download or read book Bibliography of Agriculture written by and published by . This book was released on 1990 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Flaxseed Supplementation and Exogenous Hormones on Finishing Performance, Carcass Characteristics, and Plasma and Longissimus Muscle Fatty Acid Profiles in Finishing Cattle

Download Effects of Flaxseed Supplementation and Exogenous Hormones on Finishing Performance, Carcass Characteristics, and Plasma and Longissimus Muscle Fatty Acid Profiles in Finishing Cattle PDF Online Free

Author : Leanne Kay Litton
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (729 download)

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Book Synopsis Effects of Flaxseed Supplementation and Exogenous Hormones on Finishing Performance, Carcass Characteristics, and Plasma and Longissimus Muscle Fatty Acid Profiles in Finishing Cattle by : Leanne Kay Litton

Download or read book Effects of Flaxseed Supplementation and Exogenous Hormones on Finishing Performance, Carcass Characteristics, and Plasma and Longissimus Muscle Fatty Acid Profiles in Finishing Cattle written by Leanne Kay Litton and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of supplementing forms of flaxseed on plasma and longissimus muscle (LM) fatty acid (FA) composition, finishing performance, and carcass characteristics were evaluated in five studies. In study 1, steers were fed diets with soy oil (SO), ground flaxseed (Flaxseed), or urea formaldehyde condensation polymer treated flaxseed (UFCP). In study 2, steers were fed diets with SO, linseed oil (LO), or a combination of flaxseed and field peas that was extruded (LinPro). Feeding flaxseed products increased (P

Amino Acids

Author : Guoyao Wu
Publisher : CRC Press
ISBN 13 : 9781003092742
Total Pages : 816 pages
Book Rating : 4.0/5 (927 download)

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Book Synopsis Amino Acids by : Guoyao Wu

Download or read book Amino Acids written by Guoyao Wu and published by CRC Press. This book was released on 2021-09-26 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following its predecessor, the second edition of Amino Acids: Biochemistry and Nutrition presents exhaustive coverage of amino acids in the nutrition, metabolism and health of humans and other animals. Substantially revised, expanded and updated to reflect scientific advances, this book introduces the basic principles of amino acid biochemistry and nutrition, while highlighting the current knowledge of the field and its future possibilities. The book begins with the basic chemical concepts of amnio acids, peptides and proteins, and their digestion and absorption. Subsequent chapters cover cell-, tissue-, and species-specific synthesis and catabolism of amino acids and related bioactive metabolites, and the use of isotopes to study amino acids metabolism in cells and the body. The book details protein turnover, physiological functions of amino acids, as well as both the regulation and inborn errors of amino acid metabolism. The book concludes with a presentation on human and animal dietary requirements of amino acids and evaluates dietary protein quality. Features: Encompasses a comprehensive coverage of basic to applied concepts in amino acid metabolism in humans and other animals. Highlights important roles of dietary amino acids and protein intake in growth, physical performance and health, including sarcopenia mitigation and immunity. Discusses concerns over the excess intakes of amino acids or protein in the development of diseases, including cardiovascular disorders, diabetes and cancers, as well as bone integrity Each chapter contains select references to provide comprehensive reviews and original experimental data on the topics discussed. Each chapter is backed by original experimental data on various topics discussed and contains select references to aid the reader further in research. Written by Distinguished Professor of Animal Nutrition, Guoyao Wu, Ph.D., this book is an authoritative reference for students and researchers in both biomedicine and agriculture.

Energy and Protein Metabolism and Nutrition

Author : Mario Luiz Chizzotti
Publisher : Brill Wageningen Academic
ISBN 13 : 9789086863402
Total Pages : 0 pages
Book Rating : 4.8/5 (634 download)

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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.

Nutrient Requirements of Small Ruminants

Author : National Research Council (U.S.). Committee on Nutrient Requirements of Small Ruminants
Publisher : 中国法制出版社
ISBN 13 : 9780309102131
Total Pages : 386 pages
Book Rating : 4.1/5 (21 download)

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Book Synopsis Nutrient Requirements of Small Ruminants by : National Research Council (U.S.). Committee on Nutrient Requirements of Small Ruminants

Download or read book Nutrient Requirements of Small Ruminants written by National Research Council (U.S.). Committee on Nutrient Requirements of Small Ruminants and published by 中国法制出版社. This book was released on 2007-01-05 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proper formulation of diets for small ruminants depends on adequate knowledge of their nutrient requirements.

Amino Acids in Nutrition and Health

Author : Guoyao Wu
Publisher : Springer Nature
ISBN 13 : 3030544621
Total Pages : 256 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Amino Acids in Nutrition and Health by : Guoyao Wu

Download or read book Amino Acids in Nutrition and Health written by Guoyao Wu and published by Springer Nature. This book was released on 2021-03-26 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amino acids (AAs) are not only building blocks of protein, but are also signalling molecules as well as regulators of gene expression and the protein phosphorylation cascade. Additionally, AAs are key precursors for syntheses of hormones and low-molecular weight nitrogenous substances with each having enormous biological importance. For example, physiological concentrations of AA metabolites (e.g., nitric oxide, polyamines, glutathione, taurine, thyroid hormones, and serotonin) are required for cell functions. Growing evidence shows that humans and animals have dietary requirements for all proteinogenic AAs. Mammals, birds and fish also have species- and age-dependent needs for some AA-related substances. However, elevated levels of other products (e.g., ammonia, homocysteine, H2S, and asymmetric dimethylarginine) are pathogenic factors for neurological disorders, oxidative stress, and cardiovascular disease. Thus, optimal amounts of AAs and their ratios in diets and circulation are crucial for whole body homeostasis and health. Adequate provision of one or a mixture of functional AAs or metabolites may be beneficial for ameliorating health problems at various stages of the life cycle (e.g., fetal growth restriction, neonatal morbidity and mortality, weaning-associated intestinal dysfunction and wasting syndrome, obesity, diabetes, cardiovascular disease, the metabolic syndrome, and infertility). Dietary supplementation of these nutrients can also optimize the efficiency of metabolic transformations to enhance muscle growth, milk production, and athletic performance, while preventing excess fat deposition and reducing adiposity. Therefore, functional AAs hold great promise in improving the growth, health and well-being of individuals. Chapter 7 is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.

Effects of Dietary Lysine Concentrations and Slaughter Weight on Growth Performance, and Carcass Characteristics in Barrows and Boars

Download Effects of Dietary Lysine Concentrations and Slaughter Weight on Growth Performance, and Carcass Characteristics in Barrows and Boars PDF Online Free

Author : Mindy Marie Rantanen
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (352 download)

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Book Synopsis Effects of Dietary Lysine Concentrations and Slaughter Weight on Growth Performance, and Carcass Characteristics in Barrows and Boars by : Mindy Marie Rantanen

Download or read book Effects of Dietary Lysine Concentrations and Slaughter Weight on Growth Performance, and Carcass Characteristics in Barrows and Boars written by Mindy Marie Rantanen and published by . This book was released on 1996 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Amino Acids in Nutrition and Health

Author : Guoyao Wu
Publisher : Springer Nature
ISBN 13 : 3030453286
Total Pages : 218 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Amino Acids in Nutrition and Health by : Guoyao Wu

Download or read book Amino Acids in Nutrition and Health written by Guoyao Wu and published by Springer Nature. This book was released on 2020-08-06 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited volume comprehensively highlights recent advances in the metabolism, nutrition, physiology, and pathobiology of amino acids in all the systems of humans and other animals (including livestock, poultry, companion animals, and fish). It enables readers to understand the crucial roles of amino acids and their metabolites in the health and diseases of the circulatory, digestive, endocrine, immune, muscular, nervous, reproductive, respiratory, skeletal, and urinary systems, as well as the sense organs (eyes, ears, nose, skin, and tongue). Readers will learn that amino acids are not only the building blocks of protein, but are also signalling molecules, as well as regulators of gene expression, metabolic processes and developmental changes in the body. This knowledge will guide nutritional practices to improve the growth, development and health of humans and other animals, as well as prevent and treat chronic (e.g., obesity, diabetes, and cardiovascular disorders) and infectious (e.g., bacterial, fungal, parasite, and viral) diseases. Editor of this volume is an internationally recognized expert in nutritional biochemistry. He has over 38 years of experience with research and teaching at world-class universities in the area of amino acid biochemistry, nutrition, and physiology. He has published more than 625 papers in peer-reviewed journals, 62 chapters in books, and authored two text/reference books, with an H-index of 117 and more than 55,000 citations in Google Scholar. This publication is a useful reference for professionals as well as undergraduate and graduate students in animal science, biochemistry, biomedical engineering, biology, human medicine, food science, kinesiology, nursing, nutrition, pharmacology, physiology, toxicology, veterinary medicine, and other related disciplines. In addition, all chapters provide general and specific references to amino acids in systems health for researchers and practitioners in biomedicine, animal and plant agriculture, and aquaculture, and for government policy makers.

The Effect of Various Levels of Dietary Lysine on Muscle Development and Certain Blood Phenomena of Growing Swine

Author : Glenn M. Cahilly
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (268 download)

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Book Synopsis The Effect of Various Levels of Dietary Lysine on Muscle Development and Certain Blood Phenomena of Growing Swine by : Glenn M. Cahilly

Download or read book The Effect of Various Levels of Dietary Lysine on Muscle Development and Certain Blood Phenomena of Growing Swine written by Glenn M. Cahilly and published by . This book was released on 1960 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lipid Metabolism, Gene Expression, Substrate Oxidation, and Meat Quality of Growing-finishing Pigs Supplemented with Conjugated Linoleic Acid and Arginine

Download Lipid Metabolism, Gene Expression, Substrate Oxidation, and Meat Quality of Growing-finishing Pigs Supplemented with Conjugated Linoleic Acid and Arginine PDF Online Free

Author : Gwang-Woong Go
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (779 download)

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Book Synopsis Lipid Metabolism, Gene Expression, Substrate Oxidation, and Meat Quality of Growing-finishing Pigs Supplemented with Conjugated Linoleic Acid and Arginine by : Gwang-Woong Go

Download or read book Lipid Metabolism, Gene Expression, Substrate Oxidation, and Meat Quality of Growing-finishing Pigs Supplemented with Conjugated Linoleic Acid and Arginine written by Gwang-Woong Go and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We hypothesized that supplementation of dietary conjugated linoleic acid (CLA) and arginine singly or in combination would increase animal performance and meat quality by decreasing adiposity and increasing lean mass in growing-finishing pigs. Sixteen pigs (80 kg) were assigned to four treatments in a 2 x 2 factorial design, differing in dietary fatty acid and amino acid composition [control: 2.05% alanine (isonitrogenous control) plus 1% canola oil (lipid control); CLA: 2.05% alanine + 1% CLA; arginine: 1% arginine + 1% canola oil; arginine + CLA: 1% arginine + 1 CLA]. Preliminary tests indicated that up to 2% arginine was acceptable without interfering with lysine absorption. Pigs were allowed to feed free choice until reaching 110 kg. There were no significant differences across treatments in feed intake, weight gain, or feed efficiency. CLA tended to decrease carcass length (P = 0.06), whereas backfat thickness tended to be greater in pigs supplemented with arginine (P = 0.08). Arginine decreased muscle pH at 45 min postmortem (P = 0.001) and tended to increase lightness of muscle at 24 h postmortem (P = 0.07). CLA supplementation increased the concentrations of trans-isomers of 18:1 (P = 0.001) and SFA (P = 0.01) in s.c. and r.p. adipose tissue. CLA supplementation increased palmitate incorporation into total lipids in longissimus muscle (P = 0.01). Glucose oxidation to CO2 in r.p. and s.c. adipose tissue were greater in pigs supplemented with CLA in the absence or presence of arginine (P = 0.03 and P = 0.04, respectively). The volume of s.c. adipocytes in s.c. and r.p. adipose tissues was greater in pigs supplemented with CLA, arginine, or CLA plus arginine than in control pigs (P = 0.001). Neither CLA nor arginine affected the expression of PGC-1[alpha], AMPK, mTOR, CPT-1A, FAS, or SCD (P> 0.05) in any tissues. We conclude that there was no significant interaction between arginine and CLA. Supplementary CLA or arginine to finishing-growing pigs did not modulate growth performance and did not reduce adiposity. CLA increased intramuscular fat content without deteriorating meat quality traits and increased saturated fatty acids and substrate oxidation in adipose tissues. In the presence of 1% of canola oil or CLA in the diet, arginine has the potential to deteriorate meat quality by reducing early postmortem pH and by increasing carcass fatness.