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The Effects Of Porcine Somatotropin And Dietary Lysine On Growth Performance And Carcass Characteristics Of Finishing Pigs
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Book Synopsis The Effects of Porcine Somatotropin and Dietary Lysine on Growth Performance and Carcass Characteristics of Finishing Pigs by : Robert David Goodband
Download or read book The Effects of Porcine Somatotropin and Dietary Lysine on Growth Performance and Carcass Characteristics of Finishing Pigs written by Robert David Goodband and published by . This book was released on 1989 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Porcine Somatotropin Administration Period and Dietary Lysine on Growth Performance and Carcass Characteristics of Finishing Pigs Fed to 127 Kg by : Michael Evan Johnston
Download or read book The Effect of Porcine Somatotropin Administration Period and Dietary Lysine on Growth Performance and Carcass Characteristics of Finishing Pigs Fed to 127 Kg written by Michael Evan Johnston and published by . This book was released on 1992 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interactive Effects Among Recombinant Porcine Somatotropin, the Beta-adrenergic Agonist Salbutamol, Genotype, and Dietary Lysine on Growth Performance, Carcass Characteristics, and Metabolism of Finishing Pigs by : Jeffrey Alan Hansen
Download or read book Interactive Effects Among Recombinant Porcine Somatotropin, the Beta-adrenergic Agonist Salbutamol, Genotype, and Dietary Lysine on Growth Performance, Carcass Characteristics, and Metabolism of Finishing Pigs written by Jeffrey Alan Hansen and published by . This book was released on 1993 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Recombinant Porcine Somatotropin (rpST) and Dietary Crude Protein Concentration on Lipid Metabolism and Carcass Composition of Finishing Pigs by : Scott Allen Kramer
Download or read book Effect of Recombinant Porcine Somatotropin (rpST) and Dietary Crude Protein Concentration on Lipid Metabolism and Carcass Composition of Finishing Pigs written by Scott Allen Kramer and published by . This book was released on 1991 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Effects of Exogenous Porcine Somatotropin Administration on Protein Deposition and Efficiency of Lysine Utlization in Growing Pigs by : Beatrice Jeanne Marie Krick
Download or read book Effects of Exogenous Porcine Somatotropin Administration on Protein Deposition and Efficiency of Lysine Utlization in Growing Pigs written by Beatrice Jeanne Marie Krick and published by . This book was released on 1993 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nutrient Requirements of Swine written by and published by National Academies Press. This book was released on 1998 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each of these popular handbooks contains comprehensive information on the nutritional needs of domestic animals and includes extensive tabular data. All are paperback and 8 1/2 x 11. Some books come with diskettes or Cds that allow users to predict nutrient requirements of specific animals under various conditions and at various life stages.
Book Synopsis Influence of Dietary Fiber and Copper on Growth Performance and Carcass Characteristics of Finishing Pigs and Utilizing Linear Programming to Determine Pig Flow by : Kyle Francis Coble
Download or read book Influence of Dietary Fiber and Copper on Growth Performance and Carcass Characteristics of Finishing Pigs and Utilizing Linear Programming to Determine Pig Flow written by Kyle Francis Coble and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A total of 7,061 finishing pigs were used in 7 experiments. Experiment 1 investigated the effects of withdrawing high-fiber ingredients prior to marketing to optimize growth performance, carcass yield, and carcass fat quality. Switching pigs from a high-fiber to a low-fiber corn-soy diet approximately 15 to 19 d before slaughter restored carcass yield and partially decreased carcass fat IV compared to pigs fed the high-fiber diet until slaughter. Experiment 2 studied 30% distillers dried grains with solubles (DDGS) and 5% added fat prior to slaughter on growth performance and carcass characteristics. Adding 5% fat to finishing pig diets containing 30% DDGS approximately 20 d before slaughter improved ADG and G:F but did not overcome the reduction in carcass yield from feeding DDGS. Experiment 3 investigated the Cu source on growth performance and carcass characteristics. Increasing dietary Cu in high byproduct diets improved growth and feed intake, resulting in increased final BW and HCW for pigs fed both Cu sources. Experiment 4 examined added Cu and standardized ileal digestible (SID) lysine (Lys) level on growth performance, carcass characteristics, and carcass fat quality. Feeding 150 mg/kg Cu to pigs in the 100% SID Lys requirement diet had improved growth but in the 85 or 92.5% SID Lys requirement diet no response to added Cu was found. Furthermore, increasing SID Lys increased ADG and HCW, but added Cu did not influence growth when feeding low SID Lys. Experiment 5 investigated diet ingredient type and added Cu on growth performance, carcass characteristics, gross energy digestibility, and small intestine histology and gene expression. When comparing diet type and added Cu, pigs fed a byproduct diet with DDGS and bakery meal tended to have lower G:F and reduced HCW compared to pigs fed a corn-soy diet. Adding Cu did not influence growth or carcass characteristics. However, adding Cu to the byproduct diet improved gross energy digestibility and decreased the crypt depth in the distal small intestine. Finally, a linear programming model was developed as a decision tool for commercial swine producers to help guide pig flow decisions to maximize the return to the operation.
Book Synopsis Designing Foods by : National Research Council
Download or read book Designing Foods written by National Research Council and published by National Academies Press. This book was released on 1988-02-01 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This lively book examines recent trends in animal product consumption and diet; reviews industry efforts, policies, and programs aimed at improving the nutritional attributes of animal products; and offers suggestions for further research. In addition, the volume reviews dietary and health recommendations from major health organizations and notes specific target levels for nutrients.
Book Synopsis Swine Nutrition by : Austin J. Lewis
Download or read book Swine Nutrition written by Austin J. Lewis and published by CRC Press. This book was released on 2000-12-21 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt: With 42 chapters authored by leading international experts, Swine Nutrition: Second Edition is a comprehensive reference that covers all aspects of the nutrition of pigs. Content includes characteristics of swine and the swine industry with emphasis on the gastrointestinal tract; various classes of nutrients, how these nutrients are metabolized by swine, and the factors affecting their utilization; the practical aspects of swine nutrition from birth through gestation, lactation in sows, and the feeding of adult boars; and nutritional aspects of the various feedstuffs commonly fed to swine. Rounding the book is coverage of various techniques used in swine nutrition research.
Book Synopsis An Evaluation of Porcine Somatotropin Delivery Systems on Growth Performance and Carcass Characteristics in Finishing Swine by : Jeffery Allen Swanson
Download or read book An Evaluation of Porcine Somatotropin Delivery Systems on Growth Performance and Carcass Characteristics in Finishing Swine written by Jeffery Allen Swanson and published by . This book was released on 1990 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determining Growing-finishing Pig Lysine Requirements and the Effects of Potassium Bicarbonate and Crystalline Lysine Level on Finishing Pig Performance by : Rafe Quinnlan Royall
Download or read book Determining Growing-finishing Pig Lysine Requirements and the Effects of Potassium Bicarbonate and Crystalline Lysine Level on Finishing Pig Performance written by Rafe Quinnlan Royall and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis involves two studies to determine the effects of standardized ileal digestible (SID) lysine (Lys) requirements of growing-finishing pigs from 18 to 128 kg of body weight (BW) as well as evaluating the effects of adding potassium bicarbonate (KHCO3) to diets with high or low crystalline lysine (L-Lys HCl) to influence dietary cation-anion difference (DCAD). Five experiments involving 2,903 pigs were conducted to determine the SID Lys requirement for maximum growth and economic return at five weight ranges throughout the growing and finishing phases. Using this data, we were able to create a pair of quadratic equations to estimate the SID Lys to Net Energy (NE) ratio required to achieve maximum growth potential and economic return throughout the growing-finishing phase. the quadratic equation of Lys:calorie ratio, g of SID Lys/Mcal of NE = 0.0002611 x BW2, in kg - 0.0711037 x BW, in kg, + 7.284 was developed to reflect requirement for maximal growth performance from 18 to 128 kg BW. Optimal IOFC is best described by the quadratic equation: Lys:calorie ratio, g of SID Lys/Mcal of NE = 0.0001558 x BW2, in kg, - 0.04030769 x BW + 5.410. Additionally, these results suggest that the most economical SID Lys level from 18 to 100 kg is below that for maximal growth rate. However, in 103 to 128 kg pigs, the SID Lys requirements for maximum growth performance and economic return are much more closely aligned. A second project utilized 1,944 pigs to determine if balancing DCAD levels, via added KHCO3, in diets containing low or high levels of L-Lys HCl influences finishing pig growth performance or carcass characteristics. Dietary cation-anion difference is a measure of the level of monovalent ions (Na+, K+, and Cl−) within the diet, which correlates to the acid-base balance within the animal. Extreme DCAD levels, both high and low, have been shown to negatively impact feed intake and growth in pigs, previous research shows that a wide range may optimize performance.
Book Synopsis The Effects of Dietary Energy Density and Heat Stress on the Growth Performance of Finishing Pigs Administered Porcine Somatotropin by : Gary Robert Stoner
Download or read book The Effects of Dietary Energy Density and Heat Stress on the Growth Performance of Finishing Pigs Administered Porcine Somatotropin written by Gary Robert Stoner and published by . This book was released on 1989 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainable Swine Nutrition by : Lee I. Chiba
Download or read book Sustainable Swine Nutrition written by Lee I. Chiba and published by John Wiley & Sons. This book was released on 2013-02-04 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Finding sustainable means of swine nutrition is important to both pork industry personnel and the environment alike. This reference comprehensively covers the most recent advancements in sustainability that results in more efficient diets, thus reducing both production costs and waste. Chapters include information on alternative feedstuffs, feed additives, bioavailabity of nutrients, and management of wastes and odors. Written by internationally recognized experts in the field, Sustainable Swine Nutrition will be a valuable reference for those involved in all aspects of pork production. Comprehensively covers the most recent advancements in sustainability to promote reduced pork production costs and waste Covers recent topics such as alternative feedstuffs, feed additives, and bioavalability Discusses environmental topics such as waste and odor management Written by an international team of experts in the field
Book Synopsis Determining the Effects of Branched Chain Amino Acids, Manganese, and Xylanase on Growing-finishing Pig Growth Performance and Carcass Characteristics by : Hayden Kerkaert Kerkaert
Download or read book Determining the Effects of Branched Chain Amino Acids, Manganese, and Xylanase on Growing-finishing Pig Growth Performance and Carcass Characteristics written by Hayden Kerkaert Kerkaert and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiment 1 used a total of 1,200 pigs to determine the effects of added Val, Ile, and Trp in high Leu on growing-finishing pig growth performance and carcass characteristics in order to validate a prediction model. Experiments 2 and 3 used a total of 3,888 pigs to determine the effects of manganese source and level on growing-finishing pigs growth performance and carcass characteristics. Experiment 4 used a total of 1,944 pigs to determine the effects of increasing added xylanase in nutrient adequate diets on growing-finishing pigs growth performance and carcass characteristics. Experiment 1 determined that increasing Val or Ile in high Lys-HCl-DDGS-based diets improved growth performance and final BW compared with pigs fed diets containing high levels of Lys-HCl without added Val and Ile. The addition of Trp alone could not overcome the negative effects of growth performance of pigs fed high Leu diets. These results demonstrate that negative effects of high Leu concentrations in corn-DDGS-based diets can be reversed by increasing the ratios of Val and Ile to Lys. In Exp. 2 and 3, growth performance was improved when 8 and 32 mg/kg of Mn is supplemented compared to 16 mg/kg and when pharmacological levels of Cu are supplemented; pigs fed Mn hydroxychloride had improved growth performance. Also, as Mn concentration in the diet increased, regardless of source, total Mn concentration in the liver increased but increased less for pigs fed Mn hydroxychloride. In Exp. 4, when xylanase was added to nutrient adequate diets, there was improved carcass yield when intermediate levels were fed, however, there was no impact on growth performance or mortality.
Book Synopsis Effect of Reducing Dietary Protein Level and Adding Amino Acids on Performance, Carcass Characteristics, and Nitrogen Excretion of Finishing Pigs by : Haijun Liu
Download or read book Effect of Reducing Dietary Protein Level and Adding Amino Acids on Performance, Carcass Characteristics, and Nitrogen Excretion of Finishing Pigs written by Haijun Liu and published by . This book was released on 2000 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: A total of eight experiments utilizing 572 finishing pigs were conducted to evaluate the effect of reducing dietary protein level and adding amino acids on pig performance, carcass characteristics, and N excretion. The valine requirement of early-finishing (50 to 80 kg) barrows and the effect of adding isoleucine (Ile) and valine (Val) in amino acids fortified low-protein diets on finishing pig performance were also evaluated. In the first experiment (Exp. 1 of Chapter II), it was determined that the CP level in the diet for early-finishing (50 to 80 kg) gilts can be reduced up to four percentage units by adding Lys, Thr, Trp, and Met, with no detrimental effect on pig performance or carcass characteristics. The second study (Exp. 2 of Chapter II) indicates that Ile and/or Val may be limiting in a four-percentage-unit-protein-reduced diet for late-finishing (80 to 120 kg) gilts. The third experiment (Exp. 1 of Chapter III) indicates that the true digestible Lys requirement of early-finishing PIC barrows is not higher than 0.70%. In the fourth experiment (Exp. 2 of Chapter III), it was demonstrated that dietary protein level for early-finishing PIC barrows can be reduced up to five percentage units by adding Lys, Thr, Trp, Met, and Ile, with no detrimental effect on pig performance or carcass characteristics. Valine was not limiting in a 10.49% CP diet for early-finishing PIC barrows with ADFI of 3.1 kg/d, and the true digestible Val requirement of early-finishing PIC barrows gaining 1.0 kg/d, was not greater than 11.4 g/d. In the fifth experiment (Exp. 3 of Chapter III), we found that decreasing dietary protein level by 4.81 percentage units and adding amino acids to the diet reduced N excretion of early-finishing barrows by 40.6%. In the sixth experiment (Exp. 4 of Chapter III), it was determined that the dietary protein level for early-finishing barrows can be reduced up to four percentage units by adding Lys, Thr, Trp, and Met, with no detrimental effects on pig performance or carcass characteristics, and reducing dietary protein level by four percentage units can reduce N excretion by 38.4%. In the seventh experiment (Exp. 1 of Chapter IV), it was determined that late-finishing barrows fed an amino acid (Lys, Thr, Trp, Met, Ile, and Val) fortified corn diet (7.92% CP) have similar performance and carcass characteristics as pigs fed a corn-soybean meal control 12.50% CP diet. Deleting Ile or Val in an amino acids fortified corn diet may decrease pig performance. In the eighth experiment (Exp. 2 of Chapter IV), it was determined that late-finishing gilts fed an amino acid (Lys, Thr, Trp, Met, Ile, and Val) fortified corn diet (9.55% CP) have similar performance and carcass characteristics as pigs fed a corn-soybean meal control 15.17% CP diet. Decreasing dietary CP level from 15.17 to 9.55% decreases N excretion of late-finishing pigs by 48.28%. Deleting Ile or Val in an amino acid fortified corn diet may decrease pig performance. In summary, finishing pigs fed a low protein diet properly fortified with crystalline amino acids can have similar performance and carcass characteristics as pig fed typical protein level corn-soybean meal control diets, and N excretion will be greatly reduced.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated 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 dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the though 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 volumes were handled by an international publishing house to assure improved service and broader dissemi nation. 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 37 (thesis year 1992) a total of 12,549 thesis titles from 25 Canadian and 153 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 37 reports theses submitted in 1992, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
