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Bovine Spongiform Encephalopathy (BSE)

DEFA coordinates the testing of "Fallen Stock"; following the international monitoring requirements for BSE. Animals born after 1/1/1998 and over 48 months of age that die on the farm are tested at the processing plant: brain stem samples are taken and submitted to a UK laboratory.

The results are collated and submitted annually to the World Organisation for Animal Health (OIE) via DEFRA. The OIE reporting year runs from 1 November to 31 October.

Please see below for sampling results over recent years:

Age groups Nov 15 to Oct 16 Nov 14 to Oct 15 Nov 13 to Oct 14 Nov 12 to Oct 13 Nov 11 to Oct 12 Nov 10 to Oct 11 Nov 09 to Oct 10 Nov 08 to Oct 09 Nov 07 to Oct 08 Nov 06 to Oct 07 Nov 05 to Oct 06
<2 years 1 1 1 0 2 4 2 0 2 1 5
≥2 and <4 years 3 6 6 2 3 11 8 23 21 14 58
≥4 and <7 years 23 33 27 16 26 32 22 73 119 55 184
≥7 and <9 years 10 21 27 8 15 14 27 45 72 29 59
≥9 years 23 56 50 19 37 40 13 48 38 11 19
Total 60 117 111 45 83 101 72 189 252 110 325
Positive 0 0 0 0 0 0 0 0 0 0 0
Negative 60 117 111 45 83 101 72 189 252 110 325
Total 60 117 111 45 83 101 72 189 252 110 325

History:

BSE was first diagnosed in November 1986 at the Central Veterinary Laboratory, Weybridge. The two cows concerned came from herds in different parts of England, but showed the same abnormal neurological symptoms.

The epidemic reached its peak in 1992. Since then the number of cases has decreased. There are now fewer than 4 suspected clinical BSE cases restricted per week in Great Britain, compared to more than 850 per week in 1992.

The average incubation period of BSE is five years, and only very rarely indeed do animals under three years of age display symptoms. This suggests that cattle in Great Britain first became infected in the early 1980s.

The last known case of BSE in the Isle of Man was 1999.

bse cases recorded

Further information is available at: http://www.oie.int/animal-health-in-the-world/official-disease-status/bse/list-of-bse-risk-status/ 

This page will be updated annually. 

If you have any queries, please contact Agriculture@gov.im

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