|
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.
|
|||||||||||
| 24/02/21 | |||||||||||
|
2013
|
2014
|
2015
|
2016 | 2017 | 2018 | 2019 | 2020 | 2020 Week 8 |
2021 Week 8 |
||
| Calves Tested | 2,095,878 | 2,131,966 | 2,264,865 | 2,325,260 | 2,347,558 | 2,347,232 | 2,343,970 | 2,372,777 | 519,054 | 522,165 | |
| % Negative | 98.03% | 98.54% | 98.85% | 99.20% | 98.85% | 98.58% | 98.96% | 99.10% | 99.16% | 99.22% | |
| % (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% (803) | 0.03% (139) | 0.02% (117) | |
| % (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% (0) | 0.00% (0) | |
| % (Number) Empty | 1.13% (23,751) | 0.92% (19,676) | 0.73% (16,637) | 0.59% (13,720) | 1.01% (23,714) | 1.33% (31,128) | 0.94% (22,074) | 0.81% (19,300) | 0.79% (4,094) | 0.75% (3,897) | |
| % (Number) PI** | 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% (719) | 0.03% (133) | 0.02% (117) | |
| % (Number) PI** recorded dead | 100% (13,876) | 100% (9,733) | 100% (7,427) | 100% (3,808) | 100% (2,397) | 100% (1,325) | 100% (987) | 100% (719) | 43.6% (58) | 62.4% (73) | |
| % (Number) of positive herds | 11.27% (9,484) | 7.63% (6,191) | 5.9% (4,770) | 3.25% (2,549) | 2.03% (1,613) | 1.13% (865) | 0.78% (571) | 0.55% (397) | 0.29% (92) | 0.22% (67) | |
| % (Number) of herds retaining one or more PI** 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% (0) | 0.00% (1) | 0.00% (0) | |
| No. of herds with Negative Herd Status | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 77,456 | 79,100 | |
|
*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 PI animals born each year
 |
|||||||||||
Click on the image to view a map of the number and distribution of BVD-positive animals that are still alive |
|||||||||||
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) |
|||||||||||