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2 produkter
2 produkter
Del 8 - Burleigh Dodds Science: Instant Insights
Instant Insights: Heat Stress in Dairy Cattle
Häftad, Engelska, 2020
667 kr
Skickas inom 5-8 vardagar
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
Häftad, Engelska, 2010
1 155 kr
Skickas inom 5-8 vardagar
The majority of cattle breeds in Europe are native or local breeds, usually characterised by a limited geographical distribution. The breeds have significant potential as they are carrying large amounts of genetic variation and have important cultural, historical, socio-economic and environmental values. 'Local cattle is living inheritance, old germplasm which shouldn't get lost', said one farmer. These breeds were once regionally the most popular ones, now many of them are 'at risk'. Hence, there is a need to (further) develop effective policies and strategies at national and European level to conserve and develop local cattle breeds and to promote their branded use.The European local cattle populations were a target in the EURECA project, co-funded by the European Commission. The aim was to better understand the state of the breeds, to identify factors that contribute to their success or failure and to recommend decision-making tools for development of ambitious and sound strategies and policies. With this full colour publication we share the methodology and give a comprehensive view on European local cattle breeds. We hope that our findings and recommendations will contribute to the development of successful future strategies for local cattle breeds in Europe. 'The cows are like diesel cars; Slow start, cheap energy and long life'.