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New study into heat stress in dairy cows
Heat stress can reduce milk yields, impair fertility, and negatively affect a cow's immune system.
Research aims to ensure sustainable milk production and improve cow welfare.

A new study is being undertaken by the universities of Reading, Essex, Cardiff and Writtle University College, to understand and address the causes of heat stress in dairy cows within farm buildings. The research aims to ensure sustainable milk production and improve cow welfare in a changing climate.

The research will take place at the University of Reading’s Centre for Dairy Research (CEDAR) and six commercial dairy farms across the UK. Tracking sensors will be used to continuously monitor individual cow behaviour, recording patterns of movement, activity, and how each cow is using space within the herd. 

Researchers will also monitor the temperature, humidity, airy quality and ventilation within farm buildings. This will be combined with physiological data, including body temperature, milk production and health.

Behaviour of the cows will be observed to see how they cope with high temperatures and humidity, for example increasing their intake of water, and seeking shade or areas of increased ventilation.

Heat stress can reduce milk yields, impair fertility, and negatively affect a cow’s immune system and overall welfare.

Chris Reynolds, from the University of Reading said: “Heat stress due to climate change could have severe negative consequences for the health and productivity of dairy cows. Lactating cows have a high rate of metabolism, which makes them less tolerant of high temperatures. Research is essential to inform and shape future cow management strategies and building designs.”

The researchers hope to use the data collected during the study to inform the development of housing designed to reduce heat stress and improve welfare. 

Zhiwen Luo, from Cardiff University said: “We have to respond to the changing environment and through better understanding of how cows interact with building microclimates, design housing and management systems that minimise heat stress and enable more sustainable dairy systems.”

The study is being funded by the Biotechnology and Biological Sciences Research Council (BBSRC), and has widespread support from the industry.

Dr Jonathan Amory, from Writtle University College said: “The climate crisis is bringing new challenges to animal welfare. By utilising new technology and working with industry, we can develop innovative solutions for improving livestock management.”

 

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Cold-water dip to raise funds for Vetlife

News Story 1
 The veterinary mental health charity Vetlife is inviting the veterinary community to join it for a sponsored cold-water dip.

The event will take place at Walpole Bay, Margate, on 17 May during Mental Health Awareness Week. Participants of all abilities can join in the challenge and are advised to bring a towel, a hot drink, a snack, and warm clothes to get changed into afterwards.

Those taking part are being asked to try to raise £100 each to support the work of the charity.

Details about how to take part can be found here

Click here for more...
News Shorts
Bluetongue low vector period ends

In an update to its bluetongue guidance, the Department for Environment, Food and Rural Affairs (Defra) has announced that the seasonal low vector period for the disease has ended.

With winter over, Defra is planning for a possible increase in cases as midges become more active. It has warned that farms along the east coast of England from Norfolk to Kent, and along the south coast from Kent to Devon, are at highest risk from infected midges blown over from northern Europe.

Since the virus was detected in England in November 2023, there have been 126 confirmed cases. The most recent case to be confirmed was on 1 March 2024.

Farmers are asked to continue to frequently monitor their livestock and ensure their animals and land are registered with the Animal and Plant Health Agency.