The Effect Of Various Environmental And Genetic Factors On Milk Composition
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The Effect Of Various Environmental And Genetic Factors On Milk Composition
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Author : William Joseph Longley
language : en
Publisher:
Release Date : 1963
The Effect Of Various Environmental And Genetic Factors On Milk Composition written by William Joseph Longley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Cattle categories.
Environmental And Genetic Factors Affecting The Composition Of Cow S Milk
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Author : Kenneth Roy Butcher
language : en
Publisher:
Release Date : 1966
Environmental And Genetic Factors Affecting The Composition Of Cow S Milk written by Kenneth Roy Butcher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
Functional And Genetic Characterisation Of Major Effect Milk Composition Variants In Dairy Cattle
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Author : Tania Alice Fink
language : en
Publisher:
Release Date : 2017
Functional And Genetic Characterisation Of Major Effect Milk Composition Variants In Dairy Cattle written by Tania Alice Fink and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Dairy cattle categories.
Bovine milk production and composition traits are complex quantitative phenotypes, reflecting the interplay of many environmental and genetic factors influencing mammary and lactation biology. Despite a largely quantitative architecture, genetic mapping studies have identified a handful of major effect loci in dairy cattle, each containing a large number of trait-associated sequence variants. Identifying the specific variant causally responsible at these genetic signals requires extensive experimental follow-up, where many of the genomic regions implicate present no obvious candidate mutations. The association signal is instead represented by many non-coding variants that are difficult to functionally prioritise. The aim of the research described in this thesis was to investigate four such loci segregating in NZ dairy cattle, aiming to mechanistically link causative genes and variants to the milk production and composition effects. The results of this thesis describe the identification of expression quantitative trait loci at each of the four major associated regions, providing evidence that the variants responsible exert their phenotypic influence through the modulation of mammary gene expression. Further genetic and functional experiments were conducted to elucidate the mechanism by which the implicated variants impact gene expression. Highlights of this work include the demonstration of a new mechanism of effect for the largest and most highly cited causal mutation in the bovine literature. This work also reports the discovery of major milk production effects for a mutation previously only implicated in bovine growth and stature. This thesis also reports the development and optimisation of CRISPR-Cas9 mediated genome editing as a method for testing the function of regulatory variants directly. By presenting an efficient in vitro engineering approach in mammary cells, the work creates a framework to genetically isolate candidate variants, creating opportunities to study the major effect variants reported in this thesis, and investigate other as yet undefined milk composition loci. Taken together, the work presented in this thesis provides enhanced understanding of the mechanisms linking major effect genetic variants to bovine milk production and composition, and raises the profile of these and other variants as markers to incorporate in animal selection and breeding strategies.
Environmental And Genetic Influences On Milk Composition With Particular Reference To The Protein
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Author : Jack Milan Treece
language : en
Publisher:
Release Date : 1960
Environmental And Genetic Influences On Milk Composition With Particular Reference To The Protein written by Jack Milan Treece and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Milk categories.
Effect Of Environment On Nutrient Requirements Of Domestic Animals
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1981-02-01
Effect Of Environment On Nutrient Requirements Of Domestic Animals written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981-02-01 with Science categories.
Designing Foods
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1988-02-01
Designing Foods written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988-02-01 with Medical categories.
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.
Finding A Path To Safety In Food Allergy
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher: National Academies Press
Release Date : 2017-05-27
Finding A Path To Safety In Food Allergy written by National Academies of Sciences, Engineering, and Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-27 with Medical categories.
Over the past 20 years, public concerns have grown in response to the apparent rising prevalence of food allergy and related atopic conditions, such as eczema. Although evidence on the true prevalence of food allergy is complicated by insufficient or inconsistent data and studies with variable methodologies, many health care experts who care for patients agree that a real increase in food allergy has occurred and that it is unlikely to be due simply to an increase in awareness and better tools for diagnosis. Many stakeholders are concerned about these increases, including the general public, policy makers, regulatory agencies, the food industry, scientists, clinicians, and especially families of children and young people suffering from food allergy. At the present time, however, despite a mounting body of data on the prevalence, health consequences, and associated costs of food allergy, this chronic disease has not garnered the level of societal attention that it warrants. Moreover, for patients and families at risk, recommendations and guidelines have not been clear about preventing exposure or the onset of reactions or for managing this disease. Finding a Path to Safety in Food Allergy examines critical issues related to food allergy, including the prevalence and severity of food allergy and its impact on affected individuals, families, and communities; and current understanding of food allergy as a disease, and in diagnostics, treatments, prevention, and public policy. This report seeks to: clarify the nature of the disease, its causes, and its current management; highlight gaps in knowledge; encourage the implementation of management tools at many levels and among many stakeholders; and delineate a roadmap to safety for those who have, or are at risk of developing, food allergy, as well as for others in society who are responsible for public health.
Milk Quality
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Author : F. Harding
language : en
Publisher: Springer
Release Date : 2013-12-14
Milk Quality written by F. Harding and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-14 with Technology & Engineering categories.
Milk has played a major contribution to the human diet in many different countries across the world since the dawn of time. The dairy cow was domesticated over 6000 years ago, she was the object of worship in the Middle East 2000 years before Christ, and milk and milk products are mentioned more than 50 times in the Bible. Milk and dairy products have become a major part of the human diet in many countries. It is not surprising therefore, that over many years considerable attention has been paid to improving the quality of milk. We have worked to improve the yield, the compositional quality and the hygienic quality, and have striven to minimise the level of contaminants which can find access to this, perhaps our most natural, unrefined and highly nutritious foodstuff. The chain of people involved in the milk industry extends from milk production-farmers, veterinarians and farm advisors-through transport to processing-quality controllers, manufacturers-and on to retailers, legislators, nutritionists, dairy educators and consumers. All will be interested in the quality parameters of milk which are reg ularly measured for commercial reasons, for trade, for legal requirements and for reasons of nutrition.
Forage Cell Wall Structure And Digestibility
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Author : H. G. Jung
language : en
Publisher:
Release Date : 1993
Forage Cell Wall Structure And Digestibility written by H. G. Jung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Nature categories.
Organization of forage plants tissue. Utilization of forage fiber by ruminants. Perspectives of cell wall biodegradation-session synopsis. Quantitative analysis of cell wall components. Analysis of forage cell wall polysaccharides. Application of methods for the investigation of lignin structure. Analysis of plant cell walls-session synopsis. Composition and structure of cell wall polysaccharides in forages. Lignin/hydroxycinnamic acid/polycinnamic complexes: synthetic models for regiochemical characterization. Comprehensive model of the lignified plant cell wall. Structure of forage cell walls-session synopsis. Cell wall polysaccharide interactions and degradability. Cell wall lignification and degradability . Machanistic models of forage cell wall degradation. Cell wall matrix interactions and degradation-session synopsis. Microbial adhesion and degradation of plants cell walls. Microbial ecology of cell wall fermentation. Enzymatic hydrolysis of forage cell walls. Microbial and molecular mechanisms of cell wall degradation-session synopsis. Particle-size reduction by ruminants-effects of cell wall. Kinetics of cell wall digestion and passage in ruminants., Influence of feeding management on ruminant fiber digestibility., Cell wall degradation in the ruminant-session synopsis. Cell wall biosynthesis and its regulation. Environmental and genetic effects on cell wall composition and digestibility. Postharvest treatment of fibrous feedstuffs to improve their nutritive value. Machanisms for altering cell wall utilization-session synopsis.
The Genetic Background Of Bovine Milk Infrared Spectra
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Author :
language : en
Publisher:
Release Date : 2019
The Genetic Background Of Bovine Milk Infrared Spectra written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.