Reproductive Physiology of Merino Sheep PDF Download
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Author: C. M. Oldham
Publisher:
ISBN: 9780864221032
Category : Australian merino sheep
Languages : en
Pages : 327
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Book Description
This publication describes the accumulated results from 20 years of basic and applied research funded by the Aust.Meat Research Committee & Aust.Meat & Livestock Res & Dev.
Author: C. M. Oldham
Publisher:
ISBN: 9780864221032
Category : Australian merino sheep
Languages : en
Pages : 327
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Book Description
This publication describes the accumulated results from 20 years of basic and applied research funded by the Aust.Meat Research Committee & Aust.Meat & Livestock Res & Dev.
Author: Geoff Simm
Publisher: CABI
ISBN: 1789241723
Category : Medical
Languages : en
Pages : 505
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Book Description
Genetic Improvement of Farmed Animals provides a thorough grounding in the basic sciences underpinning farmed animal breeding. Relating science to practical application, it covers all the major farmed animal species: cattle, sheep, goats, poultry, pigs and aquaculture species.
Author: Laurie Piper
Publisher: Cabi
ISBN:
Category : Medical
Languages : en
Pages : 634
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Book Description
Systematics and phylogeny of the sheep;Genetic aspects of domestication, common breeds and their origin; Genetics of colour and hair texture; Genetics of morphological traits and inherited disorders; Biochemical genetics; Molecular genetics of sheep; Molecular genetics of immune molecules; Genetics of disease resistance and vaccine response; Molecular biology and genetics of scrapie in sheep; Cytogenetics: physical chromosome maps; The sheep linkage map; Genetics of behaviour; Biology and genetics of reproduction; Modern reproduction technologies and transgenics; Developmental genetics; Genetic resources and conservation; Genetic improvement of wool production; Genetics of meat quality; Genetics of milk production; Genetic improvement of sheep; Standardized genetic nomenclature for sheep.
Author: Caleb Hillier Parry
Publisher:
ISBN:
Category : Merino sheep
Languages : en
Pages : 222
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Book Description
Author: Andrea B. Doeschl-Wilson
Publisher: Frontiers E-books
ISBN: 2889191052
Category :
Languages : en
Pages : 100
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Book Description
Recent advances in quantitative genetic and genomic studies have shed light on the important role of genetic control strategies for reducing disease risk and severity in livestock populations. There are two alternative host defence strategies to infectious pathogens that could be enhanced by genetic selection: improvement of host resistance versus improvement of host tolerance to infectious pathogens. Resistance refers to mechanisms that restrict the reproduction rate of a pathogen within a host, whilst tolerance mechanisms focus on minimising the damage that a pathogen inflicts on the host. Both strategies may have a similar impact on individual host fitness and performance, but can have contrasting effects on population performance and disease risk and severity. For example, improving host resistance may result in successful eradication of a disease from a livestock population, whereas disease eradication may be difficult if hosts are tolerant as these can harbour the pathogen without showing obvious or severe symptoms. On the other hand, it has been argued that increasing host resistance would fuel the arms race between host and pathogen and stimulate pathogen evolution towards higher virulence. Increasing tolerance, in contrast, imposes no or little selection pressure on the pathogen. Further, whereas disease resistance mechanisms may be specific to a particular pathogen (e.g. development of specific antibodies), tolerance mechanisms that repair damaged tissues are associated with the host rather than the pathogen, and are thus more likely to be generic to a range of pathogens. Hence, improving tolerance may be beneficial if individuals are exposed to a variety of pathogens or pathogen strains, and disease eradication has proven difficult. In contrast to evolutionary biology and plant breeding, animal breeding has only recently started to seriously consider a distinction between disease resistance and tolerance and their consequences. However, a deeper understanding of the underlying mechanisms and implications of improving either or both of the host defence mechanisms on future disease risk and severity is urgently needed by animal scientists, veterinarians and breeders to make informed decisions that help to maintain healthy livestock populations and guarantee food security. The topic ‘genetic improvement of disease resistance v tolerance’ would lend itself to research papers covering a variety of aspects that need to be considered, such as ‘how to obtain genetic parameter estimates and genomic breeding values related to disease resistance / tolerance’, ‘evidence for host genetic influence of resistance or tolerance’, ‘genetic, genomic and immunological understanding of resistance / tolerance mechanisms’, ‘epidemiological consequences of improving disease resistance / tolerance’. I believe that this research topic is both timely and relevant, and that sufficient knowledge is available across disciplines for composing valuable research / review articles that stimulate interest to a wide range of readers of Frontiers, and thus promote the growth of this journal.
Author: Jane Court
Publisher: CSIRO PUBLISHING
ISBN: 0643092943
Category : Business & Economics
Languages : en
Pages : 337
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Book Description
John Webb Ware is a veterinarian and senior consultant with the University of Melbourne's Mackinnon Project. He has expertise in animal production systems and animal health.
Author: Roger J. Wood
Publisher:
ISBN: 9781383021172
Category : Merino sheep
Languages : en
Pages : 0
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Book Description
This title examines the activities of sheep breeders able to transform the appearance and qualities of their stock by combining different traits of body or wool into patterns.
Author: K. D. Atkins
Publisher:
ISBN: 9780730568025
Category : Australian merino sheep
Languages : en
Pages : 67
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Book Description
Author: Daniel Gianola
Publisher: Springer Science & Business Media
ISBN: 3642744877
Category : Technology & Engineering
Languages : en
Pages : 554
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Book Description
Developments in statistics and computing as well as their application to genetic improvement of livestock gained momentum over the last 20 years. This text reviews and consolidates the statistical foundations of animal breeding. This text will prove useful as a reference source to animal breeders, quantitative geneticists and statisticians working in these areas. It will also serve as a text in graduate courses in animal breeding methodology with prerequisite courses in linear models, statistical inference and quantitative genetics.
Author: Susanne Hermesch
Publisher:
ISBN: 9781921597657
Category :
Languages : en
Pages :
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Book Description
Animal Breeding, Resilience, Genetics
