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The Effects Of Organic Complexes Of Zn Mn Cu And Co On Milk Production Reproduction And Hepatic Gene Expression In Dairy Cows
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Book Synopsis The Effects of Organic Complexes of Zn, Mn, Cu, and Co on Milk Production, Reproduction, and Hepatic Gene Expression in Dairy Cows by : Katherine Suzanne Hackbart
Download or read book The Effects of Organic Complexes of Zn, Mn, Cu, and Co on Milk Production, Reproduction, and Hepatic Gene Expression in Dairy Cows written by Katherine Suzanne Hackbart and published by . This book was released on 2009 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Dietary Cu, Zn and Mn on Bovine Neutrophil Function by : Ashlee Marie Dietz
Download or read book Effects of Dietary Cu, Zn and Mn on Bovine Neutrophil Function written by Ashlee Marie Dietz and published by . This book was released on 2015 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of supplementing diets with inorganic and organic Cu, Zn and Mn on blood neutrophil function were examined in 27 mid-lactation Holstein cows. Cows were assigned to 9 blocks of 3 and were grouped by parity, milk production and days in milk. Cows within each block were randomly assigned to one of three treatments: 1) control diet devoid of supplemental Cu, Zn and Mn , 2) diet supplemented with Cu, Zn and Mn via sulfates; 3) diet supplemented with Cu, Zn and Mn via organic form. All cows were initially fed a pre-treatment total mixed ration with a target of 8 ppm Cu, 35 ppm Zn and 35 ppm Mn for 30 d. During the treatment period, cows fed diets with mineral supplementation via sulfates and organic forms had target daily intakes of 18 ppm Cu, 60 ppm Zn and 60 ppm Mn for 30 d. Control cows were fed the pre-treatment devoid diet for an additional 30 d. In vitro neutrophil functions were measured after 30 d on experimental or control diets. Percentage of neutrophils phagocytizing, intracellular kill and phagocytic index did not differ among treatments. Serum Cu, Zn and Mn were also not affected by treatment after 30 d. Milk production, milk concentrations of fat, protein and lactose, milk urea nitrogen and somatic cell counts did not differ among treatments. Dry matter intake also did not vary among experimental groups. Results from this study demonstrated that dietary Cu, Zn and Mn supplemented either as sulfates or organic form for 30 d had no effect on in vitro blood neutrophil function or other measured parameters in mid-lactation Holstein cows.
Book Synopsis Effects of Heat Stress and Dietary Zinc Source on Performance and Permeability of Mammary Epithelium of Lactating Dairy Cows by : Xisha Weng
Download or read book Effects of Heat Stress and Dietary Zinc Source on Performance and Permeability of Mammary Epithelium of Lactating Dairy Cows written by Xisha Weng and published by . This book was released on 2017 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat stress may negatively alter the barrier integrity of mammary epithelium, whereas organic source of dietary zinc has been shown to enhance epithelial integrity. The objective of the first study was to evaluate the effect of environmental heat stress and dietary zinc source (zinc-MET complex vs. zinc hydroxychloride) on lactating Holstein cows' performance and permeability of mammary epithelium. Heat stress impaired cow's performance and increased gene expression of tight junction proteins in mammary tissue. Replacing a portion of zinc hydroxychloride with zinc-MET complex had no impact on cow performance but improved mammary epithelial integrity. The objective of the second study was to examine the effect of repeated mammary tissue collections during lactation on cow performance and udder health of lactating dairy cows. Lactating cows recovered rapidly from mammary tissue collections and no long term impacts of repeated mammary biopsy procedures on DMI, milk yield and composition, or udder health were observed.
Book Synopsis Effects of Zinc on Bovine Mammary Epithelia by : James Shaffer
Download or read book Effects of Zinc on Bovine Mammary Epithelia written by James Shaffer and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Two experiments were conducted to explore potential cellular and biochemical mechanisms by which zinc may impact milk production and mammary health of dairy cattle. For the first experiment, twelve lactating Holstein cows were enrolled in a replicated 3 x 3 Latin square, and provided a balanced diet supplemented with either 30 ppm zinc as ZnSO4 (30-ZS), 60 ppm zinc as ZnSO4 (60-ZS), or 60 ppm zinc as a mixture of ZnSO4 and Zn methionine (60-ZM). Blood and milk were collected and analyzed for markers of blood-milk leak and dairy food properties of milk. Milk cells were also isolated and analyzed for RNA abundance of genes related to zinc-mediated apoptosis. Aside from a tendency for 60-ZS to increase feed intake and 60-ZM to increase milk fat compared to 30-ZS, no effects were observed on performance, markers of blood-milk leak, transcript abundance of selected genes, or dairy food properties of milk. A cell culture study was also conducted using immortalized bovine mammary epithelial (MAC-T) cells. Messenger RNA abundance of GPR39--a G protein-coupled receptor shown to regulate cellular activity in response to extracellular zinc concentrations in other epithelial cell lines--was knocked down using RNA interference. Following GPR39 knockdown, cells were treated with 0 or 100 [mu]M zinc. Phosphorylation of the kinases ERK1/2 and AKT was measured in GPR39-knockdown and control cells treated with either 0 or 100 [mu]M zinc. No effect of zinc treatment or GPR39 knockdown was detected on kinase phosphorylation. Interestingly, the 100 [mu]M zinc treatment showed a tendency to increase GPR39 mRNA abundance in control cells. There remain many questions about the cellular mechanisms whereby zinc can impact milk production in dairy cattle.
Book Synopsis The Effects of Maternal Copper, Iron and Zinc Deficiency on the Postnatal Development of Metalloproteins and Metal-protein Complexes in the Offspring of Rats and Mice by : Deborah Susan Arce
Download or read book The Effects of Maternal Copper, Iron and Zinc Deficiency on the Postnatal Development of Metalloproteins and Metal-protein Complexes in the Offspring of Rats and Mice written by Deborah Susan Arce and published by . This book was released on 1990 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feed efficiency in swine by : John F. Patience
Download or read book Feed efficiency in swine written by John F. Patience and published by Springer Science & Business Media. This book was released on 2012-10-15 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Feed efficiency in swine' has been prepared as a comprehensive treatise on the current state of our understanding of this topic which is so important to the pork industry. Each chapter is written by international authorities who understand both the science and application of their topic area. The book provides detailed insight into the many factors affecting feed efficiency, ranging from diet processing to herd health, from nutrition to physiology and from day-to-day barn management to the adoption of advanced technologies. The authors explain such practical aspects as the challenge of interpreting feed efficiency information obtained on farm or the role of liquid feeding. The authors also delve into more scientific topics such as amino acid or energy metabolism or animal physiology. This book is written for people who have a technical interest in pork production, including nutritionists, geneticists, farm management specialists, veterinarians, other academics and, of course, pork producers.
Book Synopsis Zinc in Human Biology by : Colin F. Mills
Download or read book Zinc in Human Biology written by Colin F. Mills and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume is one of a series concerned with topics considered to be of growing interest to those whose ultimate aim is the understanding of the nutrition of man. Volumes on Sweetness, Calcium in Human Biology and Sucrose: Nutritional and Safety Aspects, have already been published, and another, on Dietary Starches and Sugars in Man: A Comparison, is in preparation. Written for workers in the nutritional and allied sciences rather than for the specialist, they aim to fill the gap between the textbook on the one hand and the many publications addressed to the expert on the other. The target readership spans medicine, nutrition and the biological sciences generally and includes those in the food, chemical and allied industries who need to take account of advances in these fields relevant to their products. Funded by industry but with an independent status, the Inter national Life Sciences Institute (ILSI) is a non-profit organization founded to deal objectively with the numerous health and safety issues that today concern industry internationally. ILSI sponsors scientific research, organizes conferences and publishes monographs relative to these problems. London Ian Macdonald March 1988 Series Editor Preface This volume has been prepared at a time when interest in both the biological roles of zinc and its nutritional significance is growing rapidly.
Book Synopsis Diet and Health by : National Research Council
Download or read book Diet and Health written by National Research Council and published by National Academies Press. This book was released on 1989-01-01 with total page 765 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diet and Health examines the many complex issues concerning diet and its role in increasing or decreasing the risk of chronic disease. It proposes dietary recommendations for reducing the risk of the major diseases and causes of death today: atherosclerotic cardiovascular diseases (including heart attack and stroke), cancer, high blood pressure, obesity, osteoporosis, diabetes mellitus, liver disease, and dental caries.
Book Synopsis Heat Stress and Animal Productivity by : Anjali Aggarwal
Download or read book Heat Stress and Animal Productivity written by Anjali Aggarwal and published by Springer Science & Business Media. This book was released on 2012-12-30 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Anjali Aggarwal is working as a Senior Scientist at National Dairy Research Institute, Karnal (India). She holds a PhD degree in Animal Physiology and is involved in research and teaching at post-graduate level. Her area of research work is stress and environmental physiology. She has more than 50 publications, two technical bulletins, four manuals and many book chapters to her credit. She has successfully guided many post-graduate and PhD students. Her major research accomplishments are on microclimatic modification for alleviation of heat and cold stress, mist and fan cooling systems for cows and buffaloes, and use of wallowing tank in buffaloes. Her work involves the use of technology of supplementing micronutrients during dry period and early lactation to crossbred and indigenous cows for alleviating metabolic and oxidative stress and improved health and productivity. Studies are also done in her lab on partitioning of heat loss from skin and pulmonary system of cattle and buffaloes as a result of exercise or exposure to heat stress. Dr. R.C. Upadhyay is working as Head, Dairy Cattle Physiology Division at National Dairy Research Institute, Karnal (India). He graduated in Veterinary Sciences and obtained his PhD degree in Animal Physiology. His area of recent research is climate change, stress, and environmental physiology. His major research accomplishment is on climate change impact assessment of milk production and growth in livestock. His work also involves studying methane conversion and emission factors for Indian livestock and use of IPCC methodology of methane inventory of Indian livestock. Heat shock protein-70 expression studies in cattle and buffaloes are also done in his lab. Draught animal power evaluation, fatigue assessment, work-rest cycle and work limiting factors form the highlights of his work. Studies on partitioning of heat loss from skin and pulmonary system of cattle and buffaloes and electrocardiographic studies in cattle, buffalo, sheep and goat are also undertaken in his lab. He has more than 75 research papers, four books and several book chapters to his credit. Technologies developed and research done by him include methodology of methane measurement: open and closed circuit for cattle and buffaloes; inventory of methane emission from livestock using IPCC methodology; livestock stress index: thermal stress measurement based on physiological functions; and draught power evaluation system and large animal treadmill system. He received training in Radio-nuclides in medicine at Australian School of Nuclear Technology, Lucas heights, NSW, Australia in 1985 and Use of radioisotopes in cardiovascular investigations at CSIRO, Prospect, NSW, Australia, during 1985-86. He has guided several post-graduate and PhD students. He is recipient of Hari Om Ashram Award-1990 (ICAR) for outstanding research in animal sciences.
Book Synopsis Phosphorus and Calcium Utilization and Requirements in Farm Animals by : Dorinha M. S. S. Vitti
Download or read book Phosphorus and Calcium Utilization and Requirements in Farm Animals written by Dorinha M. S. S. Vitti and published by CABI. This book was released on 2010 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains 10 chapters that discuss phosphorus and calcium metabolism, efficiency of utilization, availability, requirements and excretion in livestock and environmental impact.
Book Synopsis The Mineral Nutrition of Livestock by : Eric John Underwood
Download or read book The Mineral Nutrition of Livestock written by Eric John Underwood and published by Oxford University Press, USA. This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an up to date reference work covering all aspects of macro and trace element nutrition in farm livestock. Sufficient information is given on metabolism, functions and interactions to explain why needs, feeds and imbalances are not always easy to define or anticipate. The major emphasis is on the mineral nutrition of ruminant livestock since they are most likely to be affected by imbalances but where pigs and poultry are the more vulnerable, extensive coverage of the non-ruminant is given. This new edition of a highly successful text has been thoroughly revised and significantly expanded. Many chapters have been extensively updated and several chapters on new topics introduced. * Calcium, phosphorus, sodium and potassium are now treated separately * Over 40 new figures are presented, and extensive use made oftables to summarise important data * Chapters on trace elements have been drastically revised * Claims for enhanced availability for new chelated sources arecritically reviewed * Completely new chapters focus on: The unique need of the ruminant for elemental sulphur Occasionally beneficial elements and essentially toxic elements The improved conduct and interpretation of supplementation trials
Book Synopsis Tolerable upper intake levels for vitamins and minerals by : European Commission. Scientific Committee on Food
Download or read book Tolerable upper intake levels for vitamins and minerals written by European Commission. Scientific Committee on Food and published by . This book was released on 2006 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9251305056 Total Pages :156 pages Book Rating :4.2/5 (513 download)
Book Synopsis Soil pollution: a hidden reality by : Food and Agriculture Organization of the United Nations
Download or read book Soil pollution: a hidden reality written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-04-30 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document presents key messages and the state-of-the-art of soil pollution, its implications on food safety and human health. It aims to set the basis for further discussion during the forthcoming Global Symposium on Soil Pollution (GSOP18), to be held at FAO HQ from May 2nd to 4th 2018. The publication has been reviewed by the Intergovernmental Technical Panel on Soil (ITPS) and contributing authors. It addresses scientific evidences on soil pollution and highlights the need to assess the extent of soil pollution globally in order to achieve food safety and sustainable development. This is linked to FAO’s strategic objectives, especially SO1, SO2, SO4 and SO5 because of the crucial role of soils to ensure effective nutrient cycling to produce nutritious and safe food, reduce atmospheric CO2 and N2O concentrations and thus mitigate climate change, develop sustainable soil management practices that enhance agricultural resilience to extreme climate events by reducing soil degradation processes. This document will be a reference material for those interested in learning more about sources and effects of soil pollution.
Book Synopsis Mineral Tolerance of Animals by : National Research Council
Download or read book Mineral Tolerance of Animals written by National Research Council and published by National Academies Press. This book was released on 2006-01-22 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excess minerals in the diet and water of animals can have an adverse effect on animal health, consumers, and the environment. Preventing unsafe mineral exposure is a fundamental part of animal nutrition and management. At the request of the Food and Drug Administration, the National Academies convened a committee to make recommendations on animal tolerances and toxic dietary levels, updating a 1980 report on mineral tolerance in domestic animals. Based on a review of current scientific data and information, the report sets a "maximum tolerable level" (MTL) for each mineral as it applies to the diets of farm animals, poultry, and fish. The report includes an analysis of the effects of toxic levels in animal diets, and it identifies elements that pose potential human health concerns. The report recommends research that includes a better characterization of animal exposure to minerals through feedstuffs; a better understanding of the relationship between mineral concentrations in feed and water and the levels in consumer products such as meat, milk, and eggs; and more research on the maximum tolerable level of minerals for aquatic and companion animals.
Author :Harinder P. S. Makkar Publisher :Food & Agriculture Organization of the UN (FAO) ISBN 13 : Total Pages :556 pages Book Rating :4.:/5 (31 download)
Book Synopsis Biofuel Co-products as Livestock Feed by : Harinder P. S. Makkar
Download or read book Biofuel Co-products as Livestock Feed written by Harinder P. S. Makkar and published by Food & Agriculture Organization of the UN (FAO). This book was released on 2012 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication covers a wide array of co-products.
Book Synopsis Bovine Medicine by : Anthony H. Andrews
Download or read book Bovine Medicine written by Anthony H. Andrews and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 1233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bovine Medicine provides practical and comprehensive information oncattle disease and production and is a key reference for all largeanimal vets. Since the first edition was published in 1991 therehave been significant improvements in disease control andmanagement of cattle. Almost all parts of the book have beenupdated and completely rewritten. There are new chapters onsurgery, embryo transfer, artificial insemination, ethno-veterinarymedicine and biosecurity, and a new consolidating chapter on theinteraction between the animal, environment, management anddisease. The previous edition has sold all over the world, and as aresult of this a greater emphasis has been placed on conditions andtheir treatment in areas other than temperate regions. A newsection entitled "Global Variation in Cattle Practice" has beenincluded with contributors discussing bovine medicine practice intheir part of the world. All in all this is an outstanding resource for any practisingvet and an excellent reference for veterinary students.
Book Synopsis Nutrient Requirements of Laboratory Animals, by : National Research Council
Download or read book Nutrient Requirements of Laboratory Animals, written by National Research Council and published by National Academies Press. This book was released on 1995-02-01 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the years since the third edition of this indispensable reference was published, a great deal has been learned about the nutritional requirements of common laboratory species: rat, mouse, guinea pig, hamster, gerbil, and vole. The Fourth Revised Edition presents the current expert understanding of the lipid, carbohydrate, protein, mineral, vitamin, and other nutritional needs of these animals. The extensive use of tables provides easy access to a wealth of comprehensive data and resource information. The volume also provides an expanded background discussion of general dietary considerations. In addition to a more user-friendly organization, new features in this edition include: A significantly expanded section on dietary requirements for rats, reporting substantial new findings. A new section on nutrients that are not required but that may produce beneficial results. New information on growth and reproductive performance among the most commonly used strains of rats and mice and on several hamster species. An expanded discussion of diet formulation and preparationâ€"including sample diets of both purified and natural ingredients. New information on mineral deficiency and toxicity, including warning signs. This authoritative resource will be important to researchers, laboratory technicians, and manufacturers of laboratory animal feed.
