Del 8 - Burleigh Dodds Science: Instant Insights

Instant Insights: Heat Stress in Dairy Cattle

Häftad, Engelska, 2020

Av Thuy T. T. Nguyen, Jennie E. Pryce, Yvette de Haas, John Moran, J. M. K. Ojango, R. Mrode, A. M. Okeyo, J. E. O. Rege, M. G. G. Chagunda, D. R. Kugonza, Australia) Nguyen, Dr Thuy T. T. (Agriculture Victoria, Prof. Jennie E. (La Trobe University) Pryce, Yvette (Wageningen UR) de Haas, Dr John (Profitable Dairy Systems – Victoria) Moran, Dr J. M. K. (International Livestock Research Institute (ILRI)) Ojango, R. (International Livestock Research Institute (ILRI)) Mrode, A. M. (International Livestock Research Institute (ILRI)) Okeyo, J. E. O. (Emerge-Africa) Rege, M. G. G. (SRUC) Chagunda, D. R. (Makerere University) Kugonza, Dr Thuy T. T. Nguyen, Prof. Jennie E. Pryce

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This specially curated collection features four reviews of current and key research on heat stress in dairy cattle.The first chapter outlines technologies to breed for more heat tolerant dairy cattle, exploiting either between or within breed genetic variation in the trait. It discusses future perspectives on the use of different tools to achieve accelerated improvements of this important trait.The second chapter discusses breeding goals and multi-trait selection to balance production and non-production traits. It considers newer breeding objectives such as ensuring that cattle can adapt to a changing climate, including breeding for heat tolerance.The third chapter reviews challenges facing smallholder dairy farmers in Asia. These include the impact of high temperatures and humidity on milk yield, reproductive efficiency and animal health. The chapter places these challenges in the context of the broader economic constraints faced by smallholders and how they can be overcome.The final chapter highlights constraints in improving smallholder dairy production in Sub-Saharan Africa. Issues include developing breeds balancing yield with resilience to local climatic conditions. The chapter reviews ways of Improving breeding and productivity, as well as broader organisational support

Produktinformation

Utgivningsdatum2020-12-08
Mått152 x 229 x 5 mm
Vikt140 g
FormatHäftad
SpråkEngelska
SerieBurleigh Dodds Science: Instant Insights
Antal sidor92
FörlagBurleigh Dodds Science Publishing Limited
ISBN9781786769336

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Dr Jennie Pryce is Principal Research Scientist at Agriculture Victoria Research part of the State Government of Victoria, Australia where she lead the Animal’s Programme of DairyBio. Dr Pryce is also Professor at La Trobe University, Australia.Yvette de Haas is employed as Programme Manager at Wageningen Livestock Research, the Netherlands. Her expertise is in precision phenotyping for the purpose of animal breeding.

Chapter 1 - Advances in dairy cattle breeding to improve heat tolerance: Thuy T. T. Nguyen, Agriculture Victoria, Australia; 1 Introduction 2 Utilisation of tropically adapted breeds for cross-breeding 3 Selection for heat-tolerant dairy cattle 4 Future perspectives on breeding for heat tolerance 5 Conclusion 6 Acknowledgements 7 Where to look for further information 8 ReferencesChapter taken from: van der Werf, J. and Pryce, J. (eds.), Advances in breeding of dairy cattle, Burleigh Dodds Science Publishing, Cambridge, UK, 2020, (ISBN 978 1 78676 332 7)Chapter 2 - Genetic selection for dairy cow welfare and resilience to climate change: Jennie E. Pryce, Agriculture Victoria and La Trobe University, Australia; and Yvette de Haas, Wageningen UR, The Netherlands; 1 Introduction 2 Selection indices 3 Selection for milk production, energy balance and fertility 4 New breeding objectives: health traits 5 New breeding objectives: dairy cows and climate change 6 Genomic selection, inbreeding and gene editing 7 Summary 8 Where to look for further information 9 Acknowledgements 10 ReferencesChapter taken from: Webster, J. (ed.), Achieving sustainable production of milk – Volume 3: Dairy herd management and welfare, Burleigh Dodds Science Publishing, Cambridge, UK, 2017, (ISBN 978 1 78676 052 4)Chapter 3 - Improving smallholder dairy farming in tropical Asia: John Moran, Profitable Dairy Systems, Australia; 1 Introduction2 Dairy farming in Asia3 Supporting smallholder dairy farmers4 Key constraints facing smallholder dairy farmers in tropical Asia5 Benchmarking performance6 Case study: cow colonies7 Summary and future trends8 Where to look for further information9 References and further readingChapter taken from: van Belzen, N. (ed.), Achieving sustainable production of milk – Volume 2: Safety, quality and sustainability, Burleigh Dodds Science Publishing, Cambridge, UK, 2017, (ISBN 978 1 78676 048 7)Chapter 4 - Improving smallholder dairy farming in Africa: J. M. K. Ojango, R. Mrode, A. M. Okeyo, International Livestock Research Institute (ILRI), Kenya; J. E. O. Rege, Emerge-Africa, Kenya; M. G. G. Chagunda, Scotland’s Rural College (SRUC), UK; and D. R. Kugonza, Makerere University, Uganda; 1 Introduction 2 Sub-Saharan Africa 3 Management practices in smallholder dairy systems 4 Improving dairy production via breeding under smallholder systems 5 Improving productivity in smallholder dairy systems 6 Key organizations supporting smallholders 7 Future trends 8 Where to look for further information 9 Acknowledgements 10 ReferencesChapter taken from: van Belzen, N. (ed.), Achieving sustainable production of milk – Volume 2: Safety, quality and sustainability, Burleigh Dodds Science Publishing, Cambridge, UK, 2017, (ISBN 978 1 78676 048 7)