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Welsh IAA bovine TB data up to 30th April 2012

The following graphs show the impact of added cattle control measures taken in the Intensive Action Area (IAA) of Wales up to 30th April 2012. Added cattle control measures started in May 2010. Badger vaccination started in May 2012.

At the time of writing this (date of edit: 18th May 2014) the progress report covering the period up to May 2013 had not been released. As such 22 months of data on the impact of measures being taken in the IAA is available to the AHVLA and the Welsh Bovine Team. However such data is currently being withheld from the public.

In the IAA of Wales, the following added cattle control measures were started on 1st May 20101.
  1. Testing cattle herds every 6 months instead of every 12 months.
  2. Restricting cattle movements within and outside the area. All Sole Occupancy Authorities (SOA) in the area have been cancelled.
  3. All British Cattle Movement Service (BCMS) linkages between premises inside and outside the area, have been cancelled, requiring farmers to report all movements to BCMS and to comply with pre-movement testing requirements when moving cattle into and out of the IAA.
  4. All breakdowns, whether or not 'confirmed' on post-mortem examination, will require a clear test, 60 days after a positive test, followed by a further clear test after a further 60 days, before Official TB Free Status is regained and movement restrictions removed.
  5. Allocation of holding numbers (CPH) & sub location numbers.
  6. All breakdowns will be traced by Animal Health.
  7. Greater use of gamma interferon assessed on an individual basis.
In the graphs below, data were extracted from the IAA progress report issued by the Welsh government shown in Reference 2. That report was read and approved for submission by the AHVLA TB Science Lead on 20th Dec 2012.
Impact of added cattle control measures and badger vaccination in the IAA of Wales up to April 2012

References

  1. Progress and implications of the additional cattle control measures in the Intensive Action Area
  2. Differences between bovine TB indicators in herds in the IAA and herds in the Comparison Area (Project OG0142): First two years, 1st May 2010 to 30th April 2012. Second OG0142 Progress Report - bTB indicators for the IAA up to 30th April 2012. Approved for submission by AHVLA TB Science Lead: Mark Chambers on 20/12/2012.
  3. Differences between bovine TB indicators in herds in the IAA and herds in the comparison area. First year, 01May2010 to 30Apr2011. Project OG0142. Commissioned by Welsh Government. Produced 22Dec2011 by AHVLA. Compiled by Tony Goodchild & Jess Parry.
  4. Differences between bovine TB indicators in herds in the IAA and herds in the Comparison Area (Project OG0142): First three years, 1st May 2010 to 30th April 2013. Commissioned by the Welsh Government.
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