A new policy briefing highlights significant gaps in data regarding the effectiveness of badger vaccination in reducing bovine tuberculosis in cattle.
Key facts
- •Researchers identified major questions regarding the actual number of badgers being vaccinated.
- •Evidence that badger vaccination reduces disease levels in cattle remains limited.
- •Dr. Niall McKeown stated that bovine TB remains one of the largest animal health challenges in Wales.
- •The Welsh government is focusing on an evidence-based approach involving cattle, people, and wildlife.
- •A new board was established in August 2024 to address the elimination of the disease.
Researchers have issued a policy briefing calling for increased monitoring and evaluation of badger vaccination programs. The report argues that while BCG vaccination protects individual badgers, there is limited evidence that current operational programs significantly reduce bovine tuberculosis levels in cattle.
Calls for Improved Evaluation
Dr. Niall McKeown of Aberystwyth University stated that badger vaccination should not be viewed as a standalone solution for eradicating bovine tuberculosis. He emphasized that success depends on sustained, extensive coverage combined with effective cattle controls. The researchers suggest using tools such as camera traps, sett surveys, and genetic monitoring to better estimate badger populations and identify gaps in vaccination coverage.
Government Response
The Welsh government is currently reviewing its approach to bovine TB, focusing on cattle, people, and wildlife. Officials have extended two existing pilot projects in Pembrokeshire and parts of north Wales, though they have stated there are no plans to expand these specific schemes to other areas. In August 2024, the government established a new board to oversee efforts to eliminate the disease.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by BBC Science & Environment.
