Programme Results

 
Table showing full year results for each year from 2013 to 2020, plus results for 2021 to the date/week shown. The corresponding 2020 and 2021 data of the same week is also shown for comparison.
        05/05/21
 
2013
2014
2015
2016    2017 2018 2019 2020 2020
Week 18
2021
Week 

18
Calves Tested 2,095,867 2,131,963  2,264,838 2,325,244 2,347,535 2,347,414 2,344,554 2,376,729 1,589,880 1,731,229
% Negative 98.03% 98.54%  98.85% 99.20% 98.85% 98.58% 98.96% 99.10% 99.14% 99.25%
% (Number) Positive* 0.77% (16,192) 0.50% (10,758)  0.36% (8,246)  0.20% (4,540) 0.12% (2,843) 0.07% (1,531) 0.05% (1,111) 0.03% (804) 0.03% (404)  0.02% (393)
% (Number) Inconclusive* 0.03% (661) 0.01% (119)  0.01% (207) 0.00% (59) 0.01% (118) 0.00% (47) 0.00% (15) 0.00% (15) 0.00% (13)  0.00% (2)
% (Number) Empty 1.13% (23,751) 0.92% (19,676)  0.73% (16,637) 0.59% (13,721) 1.01% (23,715) 1.33% (31,127) 0.94% (22,081)  0.81% (19,359) 0.78% (12,455) 0.71% (11,645)
% (Number) BVD+**Calves with an initial positive or inconclusive result without a negative retest result 0.66% (13,877) 0.46% (9,733)  0.33% (7,427) 0.16% (3,808) 0.1% (2,397) 0.06% (1,325) 0.04% (987)  0.03% (720) 0.02% (369) 0.02% (381)
% (Number) BVD+** recorded dead 100% (13,876) 100% (9,733)  100% (7,427) 100% (3,808) 100% (2,397) 100% (1,325) 100% (987) 100% (720) 69.6% (257) 89% (339)
% (Number) of positive herds 11.27% (9,484) 7.63% (6,191)  5.9% (4,771) 3.25% (2,551) 2.03% (1,614) 1.14% (868) 0.78% (573)  0.56% (403) 0.39% (226) 0.36% (216)
% (Number) of herds retaining one or more BVD+** calves born in stated year alive for more than 7 weeks (2013-2016), 5 weeks (2017 and 2018) or 3 weeks (2019) after the date of the first test
0.00% (0) 0.00% (0)  0.00% (0) 0.00% (0) 0.00% (0) 0.00% (0) 0.00% (0)  0.00% (1) 0.4% (20) 0.02% (9)
No. of herds with Negative Herd Status N/A N/A  N/A N/A N/A N/A N/A N/A 76,261 78,346
*Based on initial tag test result, prior to any confirmatory testing
**Calves with an initial positive or inconclusive result without a negative retest result
Click on the image to view maps of the number and distribution of BVD-positive animals born each year
Click on the image to view a map of the number and distribution of BVD-positive animals that are still alivepi_alive_jan2013_to_april_30_2021
Click on the image to view a map of the number and distribution of BVD-positive animals that are currently retained (alive more than 3 weeks after their initial test)pi_retained_jan2013_to_april_30_2021

 

 

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