Salmonella Dublin: Hidden €11,300 Cost Draining Dairy Farms

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Salmonella Dublin silently infects dairy farms worldwide, costing infected herds a staggering €11,300 annually in hidden losses.

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While Denmark reduced infection rates from 25% to 5%, the UK faces a shocking 60% infection rate in dairy herds - and the bacteria is rapidly spreading.

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Unlike common Salmonella, this cattle-adapted variant causes pneumonia and blood poisoning in cows, killing thousands of calves yearly.

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The economic damage is often invisible - even farms with low-level infections lose €6,700 yearly per 200-cow herd through reduced milk yield and increased mortality.

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Human cases are rare but deadly - Salmonella Dublin kills up to 12% of infected people, compared to less than 1% for typical Salmonella.

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Nearly half (48.9%) of Salmonella Dublin samples show resistance to multiple antibiotics, making treatment increasingly difficult for both animals and humans.

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"Salmonella Dublin is not just a serious threat in the barn. Globally, it is a potential public health risk likely to grow as antibiotic resistance spreads," warns researcher Dagim Belay.

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What makes this disease particularly dangerous? Infected animals often show no symptoms while spreading bacteria through milk, feces, and even across farms.

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Can the bacteria be eliminated? A £1.1 million research project launched in February 2025 aims to develop new vaccines and control methods.

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Researchers suggest stronger incentives for farmers who invest in prevention and early detection could be key to stopping the spread.

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