Research and analysis

Bovine TB epidemiology and surveillance in Great Britain, 2016

Analysis of the results of bovine TB epidemiology and surveillance in England and Great Britain in 2016.

Documents

Bovine tuberculosis in England in 2016: Epidemiological analysis of the 2016 data and historical trends

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Bovine tuberculosis in England in 2016: county report supplement

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Bovine tuberculosis in England in 2016: county report supplement data

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Bovine tuberculosis in Great Britain: Surveillance data for 2016 and historical trends

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Bovine tuberculosis in Great Britain in 2016: Explanatory supplement to the annual report

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Annual report to the European Commission: review of bovine TB surveillance in the low risk area of England, 2016

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Analysis of bovine tuberculosis surveillance at routine slaughter of cattle in Great Britain 2013-2016

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Details

Background

There are some changes to the presentation and structure of the 2016 reports compared to the reports published in 2015:

  • The single report presenting the TB surveillance data for Great Britain is now published as a spreadsheet to allow easier access to the data.

  • The GB surveillance report that was published in earlier years has been discontinued. Instead an overview of the TB status across Great Britain will be provided in a scientific article to be submitted for publication in an academic journal later this year.

  • There are separate short reports on the occurrence of bovine TB in the counties in the High Risk Area and the Edge Area of England in 2016. These are now produced in a separate county report supplement which will be published later in the year.

The 2016 reports are based on the same source of data used for the national statistics on bTB in cattle in Great Britain. Due to differences in how the data is prepared for each publication, there are small discrepancies between some of the analysis. These are explained in the reports.

Epidemiology report for England

This report provides detailed analysis and interpretation of the bovine TB epidemic in England in the light of control measures and policy (i.e. the strategy for achieving Officially Bovine Tuberculosis Free status for England).

It explains the England control strategy with chapters on:

  • the level of TB in England and changes over time
  • the characteristics of infected herds
  • the effectiveness of surveillance
  • the impact of TB and of the control measures
  • the effectiveness of controls
  • the detailed epidemiology of disease in each risk area.

The data that supports this report is presented in the GB surveillance data report.

County report supplement and data

This report supplements the epidemiology report for England.

It provides a short summary for each of the counties and part counties that make up the High Risk and Edge Areas in England.

It presents summary graphics, costs and descriptive epidemiology for each, and is supported by a data file which includes the supporting data for this report.

Comparisons between counties are presented in sections 5.1 and 5.2 of the full epidemiology report for England.

GB surveillance data report

This has detailed surveillance data tables and graphics about the status of bovine TB in cattle in England, Scotland and Wales in 2016 and shows some historical trends. The report should be read with the explanatory supplement.

Explanatory supplement to the reports

This has been published to support the GB surveillance data report and the epidemiology report for England.

It explains where the data comes from, methodology used, definitions and control protocols for TB.

The text is taken from the explanatory text published in reports from previous years and is published as a separate document to reduce the length of the data and epidemiology reports.

Bovine TB surveillance in the LRA of England 2016

This annual report to the European Commission provides an overview of the epidemiology of bovine TB in the Low Risk Area of the East and North England over the period 2011-2016, and the current control measures in place to protect the favourable disease status of cattle herds in this part of England.

Routine slaughter of cattle in GB 2016 analysis

Slaughterhouse surveillance is an important element of the bovine TB eradication programme.

Routine post-mortem meat inspection of cattle carcases by Food Standards Agency Official Veterinarians and meat inspectors in slaughterhouses supplements the ante-mortem TB testing programme of cattle on farms and helps identify about 14% of all new TB breakdowns in GB each year.

This report evaluates the results of slaughterhouse surveillance for TB in cattle between 2013 and 2016, updating a previous similar analysis that APHA conducted in 2013. See the bovine TB surveillance in GB 2013 reports.

This new report includes 5 sections:

  • Slaughterhouse case submission numbers and rates for GB and by country
  • The proportion of slaughterhouse cases notified to APHA that prove positive on bacteriological culture
  • The proportion of new cattle herd incidents that are initiated by suspected cases of TB detected during slaughterhouse surveillance
  • The results of back-tracing tests in the source herd following a positive slaughterhouse case
  • Differences in case detection rates among cattle slaughterhouses
Published 11 September 2017
Last updated 24 May 2018 + show all updates
  1. Published new reports - Annual report to the EC on bovine TB surveillance in the LRA of England 2016 and Routine slaughter of cattle in GB 2016 analysis
  2. Published county report supplement and data to the epidemiology report for England.
  3. Reports updated with minor editorial corrections
  4. First published.