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Author:   Dr Gregory B. Penner (University of Saskatchewan) ,  Dr Emilio Ungerfeld (Instituto de Investigaciones Agropecuarias (INIA) (Chile)) ,  Dr Timothy J. Hackmann (University California-Davis) ,  Prof Mike Coffey (SRUC)
Publisher:   Burleigh Dodds Science Publishing Limited
Imprint:   Burleigh Dodds Science Publishing Limited
Volume:   06
Dimensions:   Width: 15.20cm , Height: 0.70cm , Length: 22.90cm
Weight:   0.190kg
ISBN:  

9781786769312

ISBN 10:   178676931
Pages:   132
Publication Date:   08 December 2020
Audience:   College/higher education ,  Professional and scholarly ,  Tertiary & Higher Education ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

Chapter 1 - Disorder of digestion and metabolism in dairy cattle: the case of subacute rumen acidosis: Gregory B. Penner, University of Saskatchewan, Canada; 1 Introduction2 Prevalence, aetiology, and biological consequences of ruminal acidosis3 Regulation of ruminal pH4 The dogma of ruminal acidosis5 Case study: SARA risk in the post-partum phase of the transition period6 Other examples of SARA risk induced by low feed intake7 Conclusion and future trends8 Where to look for further information9 References Chapter 2 - Factors influencing the efficiency of rumen energy metabolism: Emilio M. Ungerfeld, Instituto de Investigaciones Agropecuarias (INIA), Chile; and Timothy J. Hackmann, University of California-Davis, USA; 1 Introduction2 Main pathways of rumen fermentation3 Methane4 Factors influencing the efficiency of microbial growth5 Interactions between rumen energy and nitrogen metabolism6 Conclusion and future trends7 Where to look for further information8 References Chapter 3 - Advances in dairy cattle breeding to incorporate feed conversion efficiency in national genetic evaluations: Mike Coffey, Scotland’s Rural College (SRUC), UK; 1 Introduction2 The importance of feed efficiency as a target for breeding3 Recording feed intake4 Pooling genetic data on feed intake5 Establishing genomic breeding values for feed efficiency6 Future trends7 Conclusion8 Where to look for further information9 References Chapter 4 - The use of feedlot/cereal grains in improving feed efficiency and reducing by-products such as methane in ruminants: Kristin Hales, US Meat Animal Research Center – USDA-ARS, USA; Jeferson Lourenco, Darren S. Seidel, Osman Yasir Koyun, Dylan Davis and Christina Welch, University of Georgia, USA; James E. Wells, US Meat Animal Research Center – USDA-ARS, USA; and Todd R. Callaway, University of Georgia, USA; 1 Introduction2 Types of cereal grains fed to cattle3 Cereal grain production4 Dietary factors affecting methane production by ruminants5 The role of starch and forage in methane formation6 H2 sinks in the rumen and methane production7 Using cereal grains to improve feed efficiency and reduce methane production8 Microbiology of cereal grain fermentation9 Bacteria and archaea involved in fermentation10 Feed retention time11 Acidosis and other negative feed effects12 Summary13 Where to look for further information14 References

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