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Author : Ian Archibald McDougall
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (614 download)
Download or read book Dietary Protein and Amino-acid Requirements for the Lactating Sow written by Ian Archibald McDougall and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : National Academies Press
ISBN 13 : 9780309059930
Total Pages : 218 pages
Book Rating : 4.0/5 (599 download)
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.
Author : Chantal Farmer
Publisher : BRILL
ISBN 13 : 9086868037
Total Pages : 452 pages
Book Rating : 4.0/5 (868 download)
Download or read book The gestating and lactating sow written by Chantal Farmer and published by BRILL. This book was released on 2023-09-04 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last book on the lactating sow was published over 15 years ago. This new book brings us up to date in current knowledge on the gestating and lactating sow. It covers new and important topics such as conditioning of gilts for optimal reproductive performance, feeding high fibre diets to gestating sows and providing various fat sources in gestation and lactation. It also describes the several key success factors to group-housing systems in gestation, which is a must due to the current move towards group-housing. The new concept of transition feeding for sows is discussed, as well as the factors involved in mammary development of gilts and sows, both of which are instrumental for maximum colostrum and/or milk yields. The impact of the human-animal interactions on sow welfare and performance is discussed with focus on new handling practices that could be developed to overbalance the negative interactions inherent to pig management systems. Updates on must-have topics, such as amino acid and energy requirements of sows, colostrum and milk yield and composition, and sow health are also provided. The subjects covered in this book will assist animal scientists, nutritionists, veterinarians and swine producers in learning the most recent information on relevant and current topics affecting sow production, and in knowing which areas are in need of further research efforts.
Author : Lee-Anne Huber
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)
Download or read book The Effect of Dietary Amino Acid Balance on Nitrogen and Lysine Utilization in Lactating Sows written by Lee-Anne Huber and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Decreasing dietary crude protein (CP) concentration and increasing crystalline amino acid (CAA) supplementation, in order to maintain constant daily intakes of Lys and other key amino acids (AA), improves dietary AA balance. The effect of improved dietary AA balance on lactation performance, nitrogen (N) and AA utilization efficiency, and AA fates must be determined for precise lactating sow diet formulation and to meet specific production objectives. Performance, N balance, mammary biopsy, and isotope tracer studies were conducted to determine the effects of improving dietary AA balance on sow and litter lactation performance, N and Lys utilization efficiencies for milk production, mRNA abundance of mammary AA (Lys) transporters, and the partitioning of dietary AA between maternal and milk protein pools. Litter growth rates and milk protein production increased with improved AA balance, at the expense of maternal N retention, particularly in peak lactation. At identical Lys intakes, there was minimal improvement in Lys utilization efficiency for milk production with improved dietary AA balance, and there were no corresponding changes in the expression of mRNA for several Lys transporters within the mammary gland. Whole-body protein turnover and tissue-specific fractional rates of protein synthesis were not influenced by dietary AA balance. Feeding lactating sows reduced CP diets with increased inclusion of CAA, to improve AA balance and to meet the requirements of limiting AA, is a feasible way to improve the utilization of N and AA for milk protein production and decrease N losses to the environment, without negatively impacting sow and litter lactation performance. Amino acid and N requirements differ from those estimated by the NRC (2012) model and among genotypes and parity of sows. The utilization efficiencies of N and AA may change across a lactation period. All of these factors should be considered when planning future research and formulating lactating sow diets.
Author : I.A. McDougall
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (614 download)
Download or read book Protein and amino-acid requirements for the lactating sow written by I.A. McDougall and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dean Douglas Koehler
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (319 download)
Download or read book Development and Use of a Stable Amino Acid Isotope Technique to Investigate the Utilization of Dietary Lysine for Milk Protein in the Lactating Sow written by Dean Douglas Koehler and published by . This book was released on 1997 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jestina Kusina
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Effect of Protein Intake During Gestation and Lactation on Mammary Development, Milk Production and Subsequent Reproduction of Primiparous Sows written by Jestina Kusina and published by . This book was released on 1995 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elwyn R. Miller
Publisher : Butterworth-Heinemann
ISBN 13 : 1483162117
Total Pages : 692 pages
Book Rating : 4.4/5 (831 download)
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.
Author : Xinfu Guan
Publisher :
ISBN 13 :
Total Pages : 482 pages
Book Rating : 4.3/5 (129 download)
Download or read book Amino Acid Trans-membrane Transport, Net Uptake, and Intracellular Kinetics in the Porcine Mammary Gland During Lactation written by Xinfu Guan and published by . This book was released on 2000 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C.A. Barth
Publisher : Springer Science & Business Media
ISBN 13 : 3642853730
Total Pages : 318 pages
Book Rating : 4.6/5 (428 download)
Download or read book Milk Proteins written by C.A. Barth and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the state of knowledge and progress of research on food proteins, and in particular, milk proteins. Its basis is the Symposium on Milk Proteins that was held at the Federal Dairy Research Centre in Kiel, FRG, in June, 1988. Scien tists from around the world attended and addressed pure, as well as applied fields of protein research and technology. This book is divided into five sections, each adapted from the symposium's invited lectures, short communications, and poster presentations. New criteria for the "bio logical value" of dietary proteins and their relationships are considered according to: - Milk Proteins and Nitrogen Equilibrium - Milk Proteins and Ligands - Milk Proteins: Structural and Genetic Aspects - Milk Proteins: Technological and Functional Aspects - Milk Proteins and Clinical Nutrition Generally, different dietary proteins are classified according to their "biological value," i.e., their capacity to cause different retention of nitrogen in the body. But we think there are other intriguing leads worth studying that may help to identify which dietary proteins are best recommended for specific dietary situations or clini cal conditions. In addition, we have taken into consideration new fields such as attempts to determine the three-dimensional structure of proteins using two-dimensional NMR spectroscopy, and the application of genetic engineering to the lactating cell. In other words, we are on the way to the transgenic cow with customized milk constituents and composition.
Author : Philip C. Garnsworthy
Publisher : Hyperion Books
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.E/5 ( download)
Download or read book Recent Developments in Pig Nutrition 2 written by Philip C. Garnsworthy and published by Hyperion Books. This book was released on 1993 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Changes in consumer perceptions of meat quality; Nutritional manipulation of carcass quality in pigs; Consequences of changes in carcass composition on meat quality; Energy-protein interactions in pigs; Comparison of arc and nrc recomended requirements for energy and protein in growing pigs; Amino acid nutrition of pigs and poultry; Methods of determining the amino acid requirements of pigs; Ileal digestibilities of amino acid in pig feeds and their use in formulating diets; Use of synthetic amino acids in pig and poultry diets; Towards an improved utilization of dietary amino acids by the growing pig; Role of dietary fibre in pig feeds; Phosphorus availability and requirements in pigs; The water requirement of growing-finishing pigs - theoretical and practical considerations; Water for piglets and lactating sows: quantity, quality and quandaries; The phisiological basis of electrolyes in animal nutrition; Manipulation of the gut environment of pigs; Acidification of diets for pigs; Aetiology of diarrhoea; Immunity, nutrition and performance in animal production; Novel approaches to growth promotion in the pig; Impact of somatotropin and beta-adrenergic agonists on growth, carcass composition and nutrient requirements of pigs; Strategies for sow nutrition: predicting the response of pregnant animals to protein and energy intake; Predicting nuttrient responsesof the lactating sow; Nutrition of the working boar.
Author : John F. Patience
Publisher : Springer Science & Business Media
ISBN 13 : 9086867561
Total Pages : 264 pages
Book Rating : 4.0/5 (868 download)
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.
Author : D J A Cole
Publisher : Elsevier
ISBN 13 : 1483140911
Total Pages : 334 pages
Book Rating : 4.4/5 (831 download)
Download or read book Recent Developments in Pig Nutrition written by D J A Cole and published by Elsevier. This book was released on 2013-10-22 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent Developments in Pig Nutrition shows the updates in the nutrition and the evaluation of energy needs in raising and breeding pigs. The book covers the energy requirement of pigs; the effects of climatic variables on the nutrition and energy of pigs; and the prediction of energy content in pig feeds. The availability and importance of proteins and amino acids in pig feeds are also discussed. The text also explains the importance of vitamins and minerals in the diet of pigs; the nutritional needs of the different sexes of pigs and piglets; and the processing and evaluation of cereals for pig diets. The monograph is recommended for those in piggery business, who want to know more about the importance of pig nutrition and be updated with the different findings in the field. The book will also be good for animal nutritionists who concern themselves with pig feeds and for veterinarians who specialize in pigs.
Author : Alejandro Uribe-Peralta
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (89 download)
Download or read book Evaluation of Dietary Protein Quality written by Alejandro Uribe-Peralta and published by . This book was released on 1978 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The use of a target protein against which the quality of other dietary proteins could be compared has been examined in rats. Milk, the natural food during the early life of mammals, was proposed as the target standard. The milk standard diet was compared with proteins of different origins, amino acid pattern, or lacking an essential amino acid. A chemical score based on rat's milk (CSM-R) was developed to evaluate the quality of the protein diets; it combined determination of a protein's most limiting amino acid with a capacity for ranking proteins by nutritional values. Diets were evaluated for protein efficiency ration, body weight gain, levels of amino acids and protein complementation. Results indicated that rat milk contains a proportion of amino acids which provides maximum protein utilization in growing rats, and may also protect the lactating mother. Other diets were usually inferior. The CSM-R score appeared to be a useful analytic tool in evaluating the quality of dietary proteins.
Author : Sai Zhang
Publisher :
ISBN 13 : 9781687964526
Total Pages : 198 pages
Book Rating : 4.9/5 (645 download)
Download or read book Impact of a Near Ideal Amino Acid Profile on the Efficiency of Nitrogen and Energy Utilization in Lactating Sows written by Sai Zhang and published by . This book was released on 2019 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improving dietary amino acid (AA) and energy efficiency in lactating sows is a potential nutritional approach to mitigate impacts of swine production on the environment. In addition, greater metabolic rate during lactation renders sows prone to heat stress (HS), therefore strategies to lessen metabolic heat production will improve sow welfare in particular given the foreseeable increase in global warming. The main hypothesis of this dissertation was that feeding a reduced protein diet with near ideal AA profile (NIAA) and a leucine:lysine of 1.14 improves the dietary essential AA (EAA) and energy utilization efficiency for lactation, and reduces the metabolic heat associated with lactation, compared to feeding diets containing leucine:lysine of 1.63. To test the hypothesis, three diets were formulated iso-calorically (2,580 kcal/kg net energy), including 1) control diet with a 1.63 leucine:lysine (CON; 18.75% CP), 2) reduced CP diet with 1.14 leucine:lysine referred to as optimal (OPT; 13.75% CP) and formulated to contain a NIAA by supplementation with the limiting AA in their crystalline form to meet their minimum requirements (i.e., L-Lysine (Lys), L-Valine (Val), L-Threonine (Thr), L-Phenylalanine (Phe), DL-Methionine (Met), L-Isoleucine (Ile), L-Histidine (His), and L-Tryptophan (Trp); and 3) OPT diet with L-Leucine (Leu) supplementation to achieve CON Leu:Lys of 1.63 (OPTLEU; 14.25% CP). The overall objective was to determine the efficiency of individual EAA and energy for lactation in sows fed CON, OPT and OPTLEU, and quantify the metabolic heat production of lactating sows fed CON and OPT. Three studies were conducted to address the following aims: 1) to estimate maximal biological efficiency value (MBEV) of EAA in lactating sows fed CON, OPT and OPTLEU diets; 2) to estimate dietary energetic efficiency, energy partitioning and heat production in lactating sows fed CON, OPT and OPTLEU diets; and 3) to measure heat production in lactating sows fed CON and OPT diets and exposed to thermal neutral and HS environments. The first study showed that feeding OPT diet improved utilization efficiency of nitrogen (N) (79.1%), arginine (61.1%), His (78.3%), Ile (65.4%), Leu (75.1%), Met + Cys (78.2%), Phe (53.4%), Phe + Tyr (69.5%) and Trp (70.1%) and maximized the efficiency of Lys (63.2%), Met (67.9%), Thr (71.0%) and Val (57.0%) for milk production over a 21-day lactation period. Leucine reduced Met utilization but did not affect that of N and other EAA. The second experiment demonstrated that feeding OPT led to greater energy utilization for lactation due to less urinary energy and metabolic heat loss, and triggered dietary energy deposition into milk at the expense of maternal lipid mobilization. A Leu:Lys of 1.63 compared to 1.14 reduced dietary energy utilization for lactation by directing dietary energy away from the mammary gland and towards maternal pool, in part explaining the efficacy of a NIAA diet over CON. Sows fed OPT diet produced less metabolic heat and had lower body temperature when exposed to HS conditions compared to CON fed sows. In conclusion, feeding a diet with NIAA profile containing Leu:Lys of 1.14 improves dietary EAA and energy utilization efficiency for lactation, and reduces the metabolic heat associated with lactation compared to feeding a diet with Leu:Lys of 1.63 and meeting SID Lys requirement with feed ingredients as the sole source of Lys. This improvement is in part due to a lower dietary Leu:Lys. Feeding lactating sows with reduced CP diets with crystalline AA supplementation to attain NIAA profile is a feasible strategy to improve efficiency of N and energy utilization, and to mitigate the impacts of HS on lactating sows and of swine production on the environment.
Author : J. Malcolm Asplund
Publisher : CRC Press
ISBN 13 : 9780849349102
Total Pages : 232 pages
Book Rating : 4.3/5 (491 download)
Download or read book Principles of Protein Nutrition of Ruminants written by J. Malcolm Asplund and published by CRC Press. This book was released on 1994-03-14 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Protein Nutrition of Ruminants is a cutting-edge examination of the current state of knowledge in this important field. It explores current techniques and concepts, pointing out limitations to these techniques and introducing ideas and criticisms that will be useful in developing new paradigms for research. The scope of the book covers the whole spectrum of investigation from grazing behavior of wild ruminants to cellular and molecular phenomena. Unique aspects of the book include its emphasis on the energy status of the animal as the primary factor in affecting amino acid supply and its discussion of the nature of nitrogenous compounds in feedstuffs.
Author : P.K. Theil
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book The Protein Component of Sow Colostrum and Milk written by P.K. Theil and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of colostrum and milk by the sow are primary limiting factors affecting survival, growth and development of the piglets. The proteins of colostrum and milk provide not only a supply of amino acids to the neonate but also a wide range of bioactive factors. Proteins in sow mammary secretions include those associated with the milk fat membranes, caseins, mammary-derived whey proteins, immunoglobulins, hormones and growth factors, enzymes, and a wide range of other proteins. Concentrations of most milk-specific proteins typically are lower in colostrum than in milk, while concentrations of immunoglobulins and other bioactive proteins often are enriched in colostrum compared with mature milk. Dietary protein is utilized for milk protein production with approximately 50% efficiency. During both the colostrum period and at peak lactation as much as 700-800 g of protein is secreted daily by today's highly prolific sows. Estimates of daily milk protein secretion during lactation suggest that sows are not able to consume sufficient dietary protein and energy to account for output of solids in milk and therefore must mobilize body protein and body fat to support their milk production. Milk protein content typically is not affected by dietary treatment, indicating that the sow mobilizes her body reserves to maintain milk production and milk protein production. These observations are of particular interest for today's highly prolific sows, which may require more dietary protein than previous genotypes.
