INSTANT INSIGHTS

INSTANT INSIGHTS

INFERTILITY AND OTHER REPRODUCTIVE DISORDERS IN DAIRY CATTLE

AEVANS, A. / ZENG, S. / IWERSEN, M. / DRILLICH, M. / HAILE-MARIAM, M.

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Editorial:
BURLEIGH DODDS
Año de edición:
2022
Materia
Nutrición y producción animal
ISBN:
978-1-80146-083-5
Edición:
1
95,00 €
IVA incluido
Disponible en 2-3 semanas

Chapter 1 - Causes, prevention and management of infertility in dairy cows: Alexander C. O. Evans, University College Dublin, Ireland; and Shenming Zeng, China Agriculture University, China;
1 Introduction
2 Bovine parturition and uterine health
3 Bovine post-partum metabolic environment and ovarian activity
4 Oestrus in dairy cows
5 Establishing pregnancy in dairy cows
6 Heat stress and bovine fertility
7 Heifer fertility
8 Genetics and bovine fertility
9 Future trends and conclusion
10 Where to look for further information
11 References

Chapter 2 - Developments in automated monitoring of livestock fertility/pregnancy: Michael Iwersen, University of Veterinary Medicine – Vienna, Austria;
1 Introduction
2 The Estrous Cycle in Dairy Cows
3 Reproductive Performance and Estrus Detection
4 Methods for Estrus Detection in Cows
5 Summary and Future Research
6 Where to Look for Further Information
7 References

Chapter 3 - Advances in dairy cattle breeding to improve fertility/reproductive efficiency: Mekonnen Haile-Mariam, Agriculture Victoria, AgriBio, Australia; and Jennie Pryce, Agriculture Victoria and La Trobe University, Australia;
1 Introduction
2 Measures of fertility traits
3 Basis for genetic improvement of fertility traits
4 Strategies for genetic improvement of fertility
5 Summary
6 Future trends
7 Acknowledgements
8 Where to look for further information
9 References

Chapter 4 - Optimising reproductive management to maximise dairy herd health and production: Norman B. Williamson, Massey University, New Zealand;
1 Introduction
2 Grouping animals to measure individual animal reproduction limits
3 Measuring reproductive performance
4 Production-related reproductive indices for pasture-based seasonally calving herds
5 Diagnostic reproductive indices for pasture-based seasonally calving herds
6 Production-related reproductive indices in year-round calving herds
7 Indices used to diagnose causes of inadequate herd reproduction
8 Monitoring bull breeding
9 Management of herd limits to reproduction: anoestrus
10 Clinical examination and treatment of anoestrous cows
11 Improving oestrus detection
12 Controlled breeding programmes for oestrus synchronisation
13 The role of nutrition in limiting and optimising reproduction
14 Managing abortion
15 Conclusion and future trends
16 Where to look for further information
17 References

This collection features four peer-reviewed reviews on infertility and other reproductive disorders in dairy cattle.
The first chapter discusses the physiology of the main impediments to fertility and management issues that need to be addressed to ensure good fertility of dairy cows. The chapter focusses on parturition and uterine health, the importance of the post-partum environment and the role of oestrus, as well as methods of establishing pregnancy and the effect of heat stress on cows’ fertility.
The second chapter considers recent developments in automated monitoring of livestock fertility and pregnancy, focussing on its implementation in dairy cattle production. The chapter explores the physiological basics of the reproductive cycle in dairy cattle and the use of artificial intelligence to monitor and report changes in animal behaviour.
The third chapter reviews progress in understanding the role of genetics in addressing the decline in fertility rates in dairy cattle. The chapter discusses strategies to improve the reproductive performance of dairy cattle, including the use of different breeds, measures of fertility and genomic data.
The final chapter reviews best practices to detect reproductive problems and limitations in dairy cattle. The chapter identifies key areas which are known to limit performance and provides strategies which can be implemented to optimise reproductive performance and maximise animal health.

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