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Author: Susanne Hermesch
Publisher:
ISBN: 9781921597862
Category :
Languages : en
Pages :
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Book Description
"Breeding Focus 2021 - Improving reproduction" is the fourth workshop in the series. The Breeding Focus series was developed to provide an opportunity for exchange between industry and research across a number of agricultural industry sectors. Reproduction is a main economic driver for profitability and genetic gain. Successful reproduction is a complex characteristic comprising the formation of reproductive cells, successful mating and fertilisation, embryonic and fetal growth and eventually a successful birthing event. In livestock species, reproduction traits have mostly low heritabilities, which makes it challenging to improve reproduction as part of a multiple trait breeding objective. The complexity arises not just from the cascade of processes required to result in successful reproduction, but the relevant traits are different in males and females and they are influenced through health and fitness, nutrition, climate and other environmental and management factors.
Author: Susanne Hermesch
Publisher:
ISBN: 9781921597862
Category :
Languages : en
Pages :
Get Book Here
Book Description
"Breeding Focus 2021 - Improving reproduction" is the fourth workshop in the series. The Breeding Focus series was developed to provide an opportunity for exchange between industry and research across a number of agricultural industry sectors. Reproduction is a main economic driver for profitability and genetic gain. Successful reproduction is a complex characteristic comprising the formation of reproductive cells, successful mating and fertilisation, embryonic and fetal growth and eventually a successful birthing event. In livestock species, reproduction traits have mostly low heritabilities, which makes it challenging to improve reproduction as part of a multiple trait breeding objective. The complexity arises not just from the cascade of processes required to result in successful reproduction, but the relevant traits are different in males and females and they are influenced through health and fitness, nutrition, climate and other environmental and management factors.
Author: Devendra Kumar Yadava
Publisher: Springer Nature
ISBN: 9811692572
Category : Science
Languages : en
Pages : 1389
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Book Description
This book is an advanced textbook and a reference book for the post-graduate plant-breeding students and the plant breeders. It consolidates fundamental concepts and also the latest advances in plant-breeding practices including development in crop genomics. It contains crop wise explanation on origin, reproduction, genetics of yield contributing traits, biotic and abiotic stresses, nutritional improvement and crop specific plant-breeding procedures and techniques. The chapters are planned to describe crop-focused breeding procedure for the major crop plants as per their economic importance. The recent developments in breeding of field crops have been reported. The recent progress made in mapping traits of economic importance has been critically reviewed for each crop. The progress made in markers assisted selected in few crops has been summarized. This book bridges the knowledge gap and bring to the researchers and students information on modern breeding tools for developing biotic and abiotic stress tolerant, climate resilient and micronutrient rich varieties of field crops. The chapters in book are contributed by experienced Plant Breeders.
Author: Susanne Hermesch
Publisher:
ISBN: 9781921597695
Category :
Languages : en
Pages :
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Book Description
Animal breeding, genetics, welfare
Author: Johannes W. R. Martini
Publisher: Frontiers Media SA
ISBN: 2889746747
Category : Science
Languages : en
Pages : 261
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Book Description
Genomic selection (GS) has been the most prominent topic in breeding science in the last two decades. The continued interest is promoted by its huge potential impact on the efficiency of breeding. Predicting a breeding value based on molecular markers and phenotypic values of relatives may be used to manipulate three parameters of the breeder's equation. First, the accuracy of the selection may be improved by predicting the genetic value more reliably when considering the records of relatives and the realized genomic relationship. Secondly, genotyping and predicting may be more cost effective than comprehensive phenotyping. Resources can instead be allocated to increasing population sizes and selection intensity. The third, probably most important factor, is time. As shown in dairy cattle breeding, reducing cycle time by crossing selection candidates earlier may have the strongest impact on selection gain. Many different prediction models have been used, and different ways of using predicted values in a breeding program have been explored. We would like to address the questions: i. How did GS change breeding schemes of different crops in the last 20 years? ii. What was the impact on realized selection gain? iii. What would be the best structure of a crop-specific breeding scheme to exploit the full potential of GS? iv. What is the potential of hybrid prediction, epistasis effect models, deep learning methods and other extensions of the standard prediction of additive effects? v. What are the long-term effects of GS? vi. Can predictive breeding approaches also be used to harness genetic resources from germplasm banks in a more efficient way to adapt current germplasm to new environmental challenges? This Research Topic welcomes submissions of Original Research papers, Opinions, Perspectives, Reviews, and Mini-Reviews related to these themes: 1. Genomic selection: statistical methodology 2. The (optimal) use of GS in breeding schemes 3. Practical experiences with GS (selection gain, long-term effects, negative side effects) 4. Predictive approaches to harness genetic resources Concerning point 1): If an original research paper compares different methods empirically without theoretical considerations on when one or the other method should be better, the methods should be compared with at least five different data sets. The data sets should differ either in crop, genotyping method or its source, for instance from a breeding program or gene bank accessions. Concerning point 2): Manuscripts addressing the use of GS in breeding schemes should illustrate breeding schemes that are run in practice. General ideas about schemes that may be run in the future may be considered as 'Perspective' articles. Conflict of Interest statements: - Topic Editor Valentin Wimmer is affiliated to KWS SAAT SE & Co. KGaA, Germany. - Topic Editor Brian Gardunia is affiliated to Bayer Crop Sciences and has a collaboration with AbacusBio, and is an author on patents with Bayer Crop Sciences. The other Topic Editors did not disclose any conflicts of interest. Image credit: CIMMYT, reproduced under the CC BY-NC-SA 2.0 license
Author: Michael Brandow
Publisher: Beacon Press
ISBN: 0807033448
Category : Pets
Languages : en
Pages : 289
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Book Description
A provocative look at the ‘cult of pedigree’ and an entertaining social history of purebred dogs—“a must-read for all dog lovers” (Booklist). So-called “purebreds” are the mainstay of the dog industry. Expert Michael Brandow argues these aren’t time-honored traditions—but rather commercial inventions of the 19th century that were marketed as status symbols to a growing middle class. Combining social history and consumer studies with sharp commentary, this reveals the sordid history of the dog industry and shows how our brand-name pets pay the price with devastatingly poor health. It includes chapters devoted to popular breeds such as: • Golden Retrievers • Boston Terriers • English Bulldogs • Labrador Retrievers An essential read for animal lovers and animal rights activists everywhere, A Matter of Breeding is a fresh take on the history pedigree dogs and encourages us to love all our furry friends—no matter the coat color or price tag. “If you’re considering welcoming a dog (or two) into your family, read Michael Brandow’s fascinating and eye-opening book before visiting a pet store or breeder.” —Betsy Banks Saul, founder of Petfinder.com
Author: Schuyler S. Korban
Publisher: Springer
ISBN: 3030110486
Category : Science
Languages : en
Pages : 322
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Book Description
Addressing the pear genome, this book covers the current state of knowledge regarding genetic and genomic resources, breeding approaches and strategies, as well as cutting-edge content on how these tools and resources are being / soon will be utilized to pursue genetic improvement efforts that will combine fruit quality, high productivity, precocious fruit bearing, and long postharvest storage life, along with elevated levels of resistance to various major diseases and insect pests. Throughout, the book also explores potential opportunities and challenges in genomic analysis, sequence assembly, structural features, as well as functional studies that will assist in future genetic improvement efforts for pears. The pear (Pyrus), an important tree fruit crop, is grown worldwide, and has several economically relevant cultivars. In recent years, modern genetic and genomic tools have resulted in the development of a wide variety of valuable resources for the pear. In the past few years, completion of whole genome assemblies of ‘Dangshansuli’, an Asian pear, and ‘Bartlett’, a European pear, have paved the way for new discoveries regarding for example, the pear’s genomic structure, chromosome evolution, and patterns of genetic variation. This wealth of new resources will have a major impact on our knowledge of the pear genome; in turn, these resources and knowledge will have significant impacts on future genetic improvement efforts.
Author: Jameel M. Al-Khayri
Publisher: Springer Nature
ISBN: 3030669653
Category : Technology & Engineering
Languages : en
Pages : 559
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Book Description
This book examines the development of innovative modern methodologies towards augmenting conventional plant breeding, in individual crops, for the production of new crop varieties under the increasingly limiting environmental and cultivation factors to achieve sustainable agricultural production, enhanced food security, in addition to providing raw materials for innovative industrial products and pharmaceuticals. This Volume 8, subtitled Vegetable Crops: Bulbs, Roots and Tubers, consists of 12 chapters focusing on advances in breeding strategies using both traditional and modern approaches for the improvement of individual vegetable crops. Chapters are arranged in 3 parts according to the edible vegetable parts. Part I: Bulbs - Garlic (Allium sativum L.), Leek (Allium ampeloprasum L.) and Shallot (Allium cepa L. Aggregatum group); Part II: Roots - Beetroot (Beta vulgaris ssp. vulgaris var. conditiva Alefeld), Carrot (Daucus carota L.), Parsnip (Pastinaca sativa L.), Radish (Raphanus sativus L.), Sugar beet (Beta vulgaris ssp. vulgaris L.) and Turnip (Brassica rapa var. rapa L.), Part III: Tubers - Potato (Solanum tuberosum L.) and Sweet potato (Ipomea batatas L.). The chapters were contributed by 38 internationally reputable scientists from 13 countries. Each chapter comprehensively reviews the modern literature on the subject and reflects the authors own experience.
Author: Walter D. Koenig
Publisher: Cambridge University Press
ISBN: 1107043433
Category : Medical
Languages : en
Pages : 403
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Book Description
Brings together long-term studies of cooperation in vertebrates that challenge our understanding of the evolution of social behavior.
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: Ivan L.W. Ingelbrecht
Publisher: Springer Nature
ISBN: 3662672731
Category : Science
Languages : en
Pages : 316
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Book Description
This open-access book provides a comprehensive overview of current methodologies for improving resistance to leaf rust in coffee, one of the world's most important cash crops and beverages. Coffea arabica L. (Arabica) accounts for about 60% of the world's coffee production. Coffee leaf rust (CLR), caused by the fungus Hemileia vastatrix is the major disease affecting Arabica coffee resulting in losses of over $1 billion annually. The geographical distribution of CLR is expanding due to climate change. Moreover, the genetic improvement of Arabica coffee is constrained due to its very narrow genetic base. This protocol book introduces essential concepts of mutation breeding as an efficient tool to increase the genetic diversity of Arabica coffee and presents practical methods on mutation induction and screening for resistance to CLR. Current breeding approaches, challenges and opportunities for Arabica coffee improvement are briefly reviewed and a survey of common coffee diseases with emphasis on CLR is presented. Practical protocols for mutation induction and screening for resistance to CLR are described, including novel methods for single-cell mutagenesis using in vitro cell and tissue culture techniques and for genome-wide screening of induced mutations using genomics tools. Each protocol chapter has an introduction and is supported by example results. Given the impact of recent CLR epidemics on Arabica coffee production in Latin America, the book is intended to serve as a timely reference and guide for students and researchers in the agricultural sciences, plant pathologists and breeders, as well as growers and end-users interested in producing novel coffee genotypes for genetic studies, breeding, and commercial applications.
