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expert reaction to CRISPR cows with TB resistance

Scientists publishing in Genome Biology report that they have produced cloned cattle with increased resistance to bovine TB. The researchers used the genome editing tool CRISPR/Cas9 to alter the genetic code of the cattle. read more

new findings on badgers and cattle

As the government prepares to announce the widespread rollout of badger culling, intended to protect cattle from bovine tuberculosis (TB), new research, carried out by the Zoological Society of London (ZSL) and Imperial College London and published in Ecology Letters, has looked into how often badgers and cattle meet. Badgers clearly contribute to the cattle TB problem, but how the disease transmits between the two species has remained a mystery. Using cutting-edge technology to track large numbers of badgers and cattle simultaneously, the team looked into whether and how often badgers came close enough to cattle to transmit TB directly, and whether there may be other means of transmission through contamination of the environment. read more

bovine TB – a model of spread and control

Bovine tuberculosis costs the UK about £100 million per year, and despite efforts to control it, it remains a major agricultural problem. A new paper published in Nature uses models to separate out the different factors contributing to the bovine TB problem, to establish the routes of transmission of different outbreaks, and to predict which of the factors would be best to address in attempt to more effectively control the spread and incidence of this disease. read more

expert reaction to TB in cats and cat-to-human TB transmission

Nine cases of M. bovis infection, which causes bovine TB in cattle, were identified in domestic cats in Berkshire and Hampshire by the Animal Health and Veterinary Laboratories Agency (AHVLA) and Public Health England (PHE) during 2013. Two people were found to have developed TB after contact with a domestic cat while two cases of latent TB were also identified. read more

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