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The impact of improving feed efficiency on the environmental impact of livestock production

Code: 9781801462419
James K. Drackley, University of Illinois at Urbana-Champaign, USA; and Christopher K. Reynolds, University of Reading, UK

Chapter synopsis: This chapter examines the impact of improving feed efficiency on the environmental impact of livestock production. It starts by discussing the relation between greenhouse gases and dairy production, highlighting how important it is to the dairy sector to find ways of decreasing greenhouse gas output. The chapter then moves on to discuss the origins of methane and reactive nitrogen excretions in ruminants. A section on improving feed conversion efficiency is also included, which is then followed by a review of the nutritional practices that can be used to enhance feed conversion efficiency and decrease methane excretion. The chapter also examines the nutritional practices that can be used to increase milk protein efficiency and nitrous oxide excretion as well. Discussions on genetics and feed conversion efficiency and postabsorptive metabolism and feed conversion efficiency are also provided.

DOI: 10.19103/AS.2020.0077.10
£25.00
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Table of contents 1 Introduction 2 Greenhouse gases and dairy production 3 Origin of methane and reactive nitrogen excretions 4 Feed conversion efficiency 5 Nutritional practices to enhance feed conversion efficiency and decrease CH4 excretion 6 Nutritional practices to increase milk protein efficiency and decrease N2O excretion 7 Genetics and feed conversion efficiency 8 Postabsorptive metabolism and feed conversion efficiency 9 Conclusion 10 Future trends in research 11 Where to look for further information 12 References

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