Prolonged heat and severe drought across southern England trigger a drop in milk yields of up to 20%, early winter feed usage, and rising operational costs.
Reporting by Londonlovesbusiness.com highlights the deepening impact of a prolonged heatwave and widespread drought conditions on Britain’s dairy sector. High temperatures, parched soils, and an extended lack of rainfall across England—particularly in southern regions like Gloucestershire and the Cotswolds—are placing livestock under heavy physiological stress, leading to declining milk yields and rapidly deteriorating pastures.
According to Professor Nicola Cannon of the Royal Agricultural University, heat stress severely reduces dairy cattle’s ability to produce milk, with some farms reporting production drops of up to 20% during recent heatwaves. The extreme weather has left soil heavily depleted of moisture, preventing grass from rebounding after cutting for hay and silage and severely limiting natural grazing availability for herds.
To cope with burned-off pastures, many producers have been forced to tap into their winter forage reserves months ahead of schedule. While using stored feed helps maintain animal nutrition through the summer months, it exposes dairy farmers to substantial secondary financial risks by creating a feed deficit that will require purchasing expensive supplemental feed later in the year.
In response to extreme heat, dairy operations are investing in farm infrastructure, installing industrial fans, upgraded ventilation, and livestock cooling systems to safeguard animal welfare and stabilize output. However, these capital outlays create additional operational cost burdens for producers who are already navigating elevated energy prices, volatile feed markets, and labor shortages.
With meteorologists forecasting continued dry weather across southern Britain, industry leaders caution that climate-driven weather extremes pose a growing material risk to British agriculture. The crisis underscores an urgent need for structural investments in supply chain resilience and climate adaptation to protect long-term domestic food security.
Source: Londonlovesbusiness.com
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