Monthly report: Survellience Project SB4008 IFNg tests for Bovine tuberculosis - March 2019
Source: environment.data.gov.uk (2022-01-18)

Interferon-Gamma Testing for Bovine Tuberculosis - Monthly Reports from April 2016. These monthly reports summarise the gamma tests completed / reported during that calendar month. The report also summarises tests for the whole calendar year to the end of the current month.
While all effort is made to ensure the accuracy of the test data, small errors can occur and later corrected in subsequent reports. 

Cattle interferon-gamma (IFNg) tests (and test outcome) carried out between 1st Jan and 31st Dec 2009. Tests are listed by country (England, Wales, Scotland) and by Animal Health Office (AHDO) and the reason for the test. Reports contain test data for the month, the calendar year to date and total tests since rollout (23rd Oct 2006). 

Please note: this dataset consists of 12 monthly reports. Data for this report was compiled from field staff inputs and laboratory test information. Subsequent minor data amendments may have been made after the report was originally compiled, and these corrections would appear in the following month’s report. Each report was checked and deemed correct at the time of release. Attribution statement:

Monthly Report:
Surveillance Project
SB4008 IFNg tests for
bovine tuberculosis
(TC0651 and TC0751)
Number 151
Report Period 1st - 31st March 2019
Issued 08 April 2019

Operational notes on terminology, definitions, re-test and re-samples test
outcomes:
• “Samples” refers to an individual tube of blood taken from an individual animal which is
subsequently submitted for testing. It is generally assumed that the number of samples and
the number of animals are analogous as any duplicate sample blood tube from the same
animal will not be tested. However, minor discrepancies may occur where the same animal is
tested more than once due to a request for a resample or the animal is tested twice under
different categories (for example, as a PAR-RAPID and then as part of a PAR-HERD-S).
• “Submissions” refers to an individual batch or set of samples received for testing.
Submissions may comprise 1 or more samples (for example, if an entire herd is being tested it
is usually sent as 1 submission). It is generally assumed that the number of submissions and
the number of herds are analogous.
• Retests are samples where the first ELISA assay fails and the same sample is retested on a
new ELISA plate. Each sample can be retested only once. A retest is not a reportable test
outcome.
• Resamples are where a sample has been retested and failed a second time, so that the lab
requests a new sample. This is a reportable test outcome.
• Rejects are samples that are not tested by the lab for one of the following reasons: blood
collected into wrong type of vacutainer, samples that have not been maintained at the
appropriate temperature range (22±5C), unlabelled samples, broken or cracked tubes, blood
that is extensively clotted (small clots are OK), samples received after 4pm on the day after
sample collection. Such samples are reported separately in the tables and in figure 5.
• POS (pokeweed mitogen) is a sample positive control reagent which provides a measure of
the quality/viability of the blood sample. A POS fail (< 0.45 optical density reading) may
indicate compromised blood quality as a result of collection/transportation conditions or due
the animal having an unusually low/suppressed cellular immune response.
• NEG (no-antigen control) is a sample negative control which provides a measure of the
background antigen-independent IFN- responses. A NEG fail (> 0.3 optical density reading)
may indicate a laboratory procedures problem (normally resolved during re-test) or that an
animal has unusually high background levels of IFN-g.

Submission Reason
Explanation
Mandatory?
Possible Herd Slaughter
(PAR-HERD-S)
Parallel interferon-gamma blood testing of skin
test negative cattle to inform whole or partial
herd slaughters decisions
YES, if APHA are
contemplating a herd
slaughter
Persistent TB breakdowns
(OTF status withdrawn)
(PAR-P-CONF) N.B.
PAR-PERSIS from 1st April
2017
Parallel blood testing of skin test-negative cattle
in persistently infected herds that have failed to
resolve by repeated short-interval skin testing
and fulfill a minimum of biosecurity standards.
NO (APHA discretion)
Parallel - Low Incidence
(PAR-LOW-IN) N.B.
PAR-NEW-IN from 1st April
2017
Parallel blood testing to maximise the
probability of removing all infected cattle in a
new herd breakdown as soon as possible after
confirmation of TB.
YES in Area of Low
Incidence
Rapid Testing of twice IR's
(PAR-RAPID)
Parallel blood testing of two-times IRs identified
under the severe interpretation of the skin test
used in Wales.
YES (Wales only)
PAR-CUL-N
Parallel blood testing to maximise the
probability of removing all infected cattle in a
new breakdown as soon as possible after
confirmation of TB where herd is situated in
badger control areas of England that have
completed at least 2 effective culls.
YES (in eligible badger
control areas of England)
PAR-CUL-P
Parallel blood testing to maximise the
probability of removing all infected cattle in a
persistent confirmed breakdown where herd is
situated within badger control areas of England
that have completed at least 2 effective culls
NO (APHA discretion)
Parallel Other
(PAR-OTHER)
Other parallel blood testing not covered in any
of the other scenarios
NO (APHA discretion)
'NSR' Herds (SER-NSR)
Modified serial blood testing of individual skin
test reactors and/or IRs in unconfirmed TB
breakdown herds to clarify their infection status
where there is evidence of non-specific
sensitisation to bovine tuberculin (the
“non-specific reactor” procedure)
NO (APHA discretion)
Suspected Fraud
(SER-FRAUD)
Modified serial blood test of suspected
fraudulent reactors to the skin test (animals with
abnormal skin swellings), in confirmed or
unconfirmed TB incidents.
NO (APHA discretion to
firm up or rule out any
suspicion of fraud and
support any
investigations)
Serial Other
(SER-OTHER)
Serial test – other reasons
NO (APHA Discretion)
SER-FLEXI
Extended blood test to provide flexible test
readout in a confirmed M. bovis-infected herd
where Johne's (M. a. paratuberculosis) infection
or vaccination is suspected to be interferring
with M. bovis infection detection
NO (APHA discretion)
Test Criteria

Num
samples
March 2019
%
Total 2019
%
Submissions
315
924
Samples
Total (%)
29624
100.00 %
85181
100.00 %
England
24319
82.09 %
67619
79.38 %
Wales
4939
16.67 %
17196
20.19 %
Scotland
366
1.24 %
366
0.43 %
Parallel Tests
PAR-CUL-N
6914
23.34 %
14727
17.29 %
PAR-CUL-P
1713
5.78 %
7176
8.42 %
PAR-HERD-S
853
2.88 %
2529
2.97 %
PAR-NEW-IN
14978
50.56 %
42785
50.23 %
PAR-OTHER
504
1.70 %
2413
2.83 %
PAR-PERSIS
4252
14.35 %
13685
16.07 %
PAR-RAPID
127
0.43 %
420
0.49 %
Total(% of all samples)
29341
99.04 %
83735
98.30 %
Serial/Extended Tests
SER-FLEXI
283
0.96 %
1430
1.68 %
SER-FRAUD
0
0.00 %
9
0.01 %
SER-NSR
0
0.00 %
7
0.01 %
SER-OTHER
0
0.00 %
Total(% of all samples)
283
0.96 %
1446
1.70 %
Total
29624
100.00 %
85181
100.00 %
Retests
Total (% of all samples)
2100
7.09 %
6338
7.44 %
England
1750
5.91 %
5074
5.96 %
Wales
330
1.11 %
1244
1.46 %
Scotland
20
0.07 %
20
0.02 %
Resamples
Total (% of all samples)
1710
5.77 %
5275
6.19 %
England
1413
4.77 %
4227
4.96 %
Wales
280
0.95 %
1031
1.21 %
Scotland
17
0.06 %
17
0.02 %
Rejects
Total (% of all samples)
61
0.21 %
1256
1.47 %
England
58
0.20 %
1135
1.33 %
Wales
3
0.01 %
121
0.14 %
Scotland
0
0.00 %
Table 1. Monthly Totals for March 2019
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN
(PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing of twice IRs, PAR-CUL-N: new infection in cull area,
PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with
concurrent Johne’s infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial
other

PAR-CUL-N
PAR-CUL-P
PAR-HERD-S
PAR-NEW-IN
PAR-OTHER
PAR-PERSIS
PAR-RAPID
SER-FLEXI
Breakdown of
Reason for
submission
PAR-CUL-N
6914
23.3 %
PAR-CUL-P
1713
5.8 %
PAR-HERD-S
853
2.9 %
PAR-NEW-IN
14978
50.6 %
PAR-OTHER
504
1.7 %
PAR-PERSIS
4252
14.4 %
PAR-RAPID
127
0.4 %
SER-FLEXI
283
1.0 %
Total
29624
100.00 %
Figure 1. Number of samples submitted in each category during March 2019
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN
(PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing of twice IRs, PAR-CUL-N: new infection in cull area,
PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with
concurrent Johne’s infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial
other

0
1000
2000
3000
4000
5000
6000
7000
Ayrshire
W Glamorgan
S Wales
Powys
Pembs
Pembrokeshire
NE Wales
Gwynedd
Gwent
Ceredigion
Carms
Wiltshire
Warks
S Yorks
Staffs
Somerset excl N
Oxon
N Yorks
Notts
Northants
Leics & Rut
I of Wight
Heref
Gr Manchester
Gloucs
Gloucestershire
E Sussex
Dorset
Devon
Derbyshire
Corn & Scilly
Cheshire
Cambs
Bucks
Berkshire
Berks
Scotland
Wales
England
SER-FLEXI
PAR-RAPID
PAR-PERSIS
PAR-OTHER
PAR-NEW-IN
PAR-HERD-S
PAR-CUL-P
PAR-CUL-N
Breakdown of
Samples
submitted by
County
Figure 2. Number of samples submitted in each category by County during March 2019
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017):
parallel low incidence, PAR-RAPID: rapid testing of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel
other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial
potential fraud, SER-OTHER: serial other

0
2000
4000
6000
8000
10000
12000
14000
16000
Ayrshire
W Glamorgan
S Wales
Powys
Pembs
Pembrokeshire
NE Wales
Gwynedd
Gwent
Ceredigion
Carms
Wiltshire
Warks
S Yorks
Staffs
Somerset excl N
Shropshire
Oxon
N Yorks
Notts
Northants
Lincs
Leics & Rut
Lancashire
I of Wight
Heref
Hampshire
Gr Manchester
Gloucs
Gloucestershire
E Sussex
Dorset
Devon
Derbyshire
Cumbria
Corn & Scilly
Cheshire
Cambs
Bucks
Berkshire
Berks
Avon
Scotland
Wales
England
SER-NSR
SER-FRAUD
SER-FLEXI
PAR-RAPID
PAR-PERSIS
PAR-OTHER
PAR-NEW-IN
PAR-HERD-S
PAR-CUL-P
PAR-CUL-N
Breakdown
of Samples
submitted
by County
Figure 3. Number of samples submitted in each category by County during 2019
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN
(PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing of twice IRs, PAR-CUL-N: new infection in cull area,
PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent
Johne’s infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other

Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
England - HRA
Corn & Scilly
PAR-CUL-N
5
386
1.30 %
9
2.33 %
330
85.49 %
52
13.47 %
47
12.18 %
0
0.00 %
PAR-PERSIS
4
974
3.29 %
93
9.55 %
840
86.24 %
57
5.85 %
41
4.21 %
0
0.00 %
Devon
PAR-CUL-N
17
2,829
9.55 %
164
5.80 %
2530
89.43 %
188
6.65 %
134
4.74 %
1
0.04 %
PAR-CUL-P
4
792
2.67 %
42
5.30 %
711
89.77 %
42
5.30 %
38
4.80 %
1
0.13 %
PAR-NEW-IN
1
106
0.36 %
22
20.75 %
78
73.58 %
14
13.21 %
6
5.66 %
0
0.00 %
PAR-OTHER
1
2
0.01 %
0
0.00 %
1
50.00 %
1
50.00 %
1
50.00 %
0
0.00 %
PAR-PERSIS
3
375
1.27 %
25
6.67 %
312
83.20 %
49
13.07 %
38
10.13 %
0
0.00 %
Dorset
PAR-CUL-N
11
852
2.88 %
48
5.63 %
703
82.51 %
61
7.16 %
49
5.75 %
52
6.10 %
PAR-CUL-P
2
262
0.88 %
34
12.98 %
224
85.50 %
9
3.44 %
4
1.53 %
0
0.00 %
Gloucestershire
PAR-CUL-N
2
113
0.38 %
3
2.65 %
102
90.27 %
10
8.85 %
8
7.08 %
0
0.00 %
Gloucs
PAR-CUL-N
8
583
1.97 %
27
4.63 %
522
89.54 %
41
7.03 %
33
5.66 %
1
0.17 %
PAR-CUL-P
2
290
0.98 %
2
0.69 %
274
94.48 %
14
4.83 %
14
4.83 %
0
0.00 %
Heref
PAR-CUL-N
2
140
0.47 %
6
4.29 %
123
87.86 %
11
7.86 %
11
7.86 %
0
0.00 %
PAR-CUL-P
1
10
0.03 %
0
0.00 %
7
70.00 %
4
40.00 %
3
30.00 %
0
0.00 %
PAR-PERSIS
3
404
1.36 %
30
7.43 %
336
83.17 %
47
11.63 %
38
9.41 %
0
0.00 %
Somerset excl N
PAR-CUL-N
7
1,394
4.71 %
89
6.38 %
1250
89.67 %
67
4.81 %
55
3.95 %
0
0.00 %
Staffs
PAR-PERSIS
2
429
1.45 %
32
7.46 %
367
85.55 %
34
7.93 %
31
7.23 %
0
0.00 %
Wiltshire
PAR-CUL-N
1
357
1.21 %
29
8.12 %
300
84.03 %
31
8.68 %
28
7.84 %
0
0.00 %
PAR-CUL-P
2
359
1.21 %
12
3.34 %
332
92.48 %
18
5.01 %
15
4.18 %
0
0.00 %
PAR-NEW-IN
1
209
0.71 %
11
5.26 %
169
80.86 %
35
16.75 %
29
13.88 %
0
0.00 %
England - Edge
Berks
PAR-NEW-IN
3
391
1.32 %
34
8.70 %
329
84.14 %
32
8.18 %
28
7.16 %
0
0.00 %
Berkshire
PAR-NEW-IN
1
2
0.01 %
0
0.00 %
2
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Bucks
PAR-NEW-IN
1
235
0.79 %
5
2.13 %
215
91.49 %
16
6.81 %
15
6.38 %
0
0.00 %
Cheshire
PAR-CUL-N
1
260
0.88 %
19
7.31 %
229
88.08 %
12
4.62 %
12
4.62 %
0
0.00 %
PAR-NEW-IN
28
6,070
20.49 %
197
3.25 %
5561
91.61 %
388
6.39 %
312
5.14 %
0
0.00 %
PAR-PERSIS
1
251
0.85 %
1
0.40 %
238
94.82 %
13
5.18 %
12
4.78 %
0
0.00 %
Table 2a. Summary by County for March 2019
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Table 2a. Summary by County for March 2019 Cont.
Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
Derbyshire
PAR-NEW-IN
11
826
2.79 %
32
3.87 %
708
85.71 %
94
11.38 %
86
10.41 %
0
0.00 %
E Sussex
PAR-NEW-IN
2
11
0.04 %
0
0.00 %
8
72.73 %
4
36.36 %
3
27.27 %
0
0.00 %
Leics & Rut
PAR-NEW-IN
10
1,521
5.13 %
73
4.80 %
1370
90.07 %
95
6.25 %
78
5.13 %
0
0.00 %
Northants
PAR-NEW-IN
7
793
2.68 %
58
7.31 %
704
88.78 %
44
5.55 %
31
3.91 %
0
0.00 %
Notts
PAR-NEW-IN
1
151
0.51 %
16
10.60 %
124
82.12 %
16
10.60 %
11
7.28 %
0
0.00 %
Oxon
PAR-NEW-IN
13
801
2.70 %
34
4.24 %
724
90.39 %
56
6.99 %
43
5.37 %
0
0.00 %
Warks
PAR-NEW-IN
17
1,339
4.52 %
71
5.30 %
1179
88.05 %
112
8.36 %
88
6.57 %
1
0.07 %
England - LRA
Cambs
PAR-NEW-IN
1
1
0.00 %
0
0.00 %
0
0.00 %
1
100.00 %
1
100.00 %
0
0.00 %
Gr Manchester
PAR-NEW-IN
1
64
0.22 %
4
6.25 %
45
70.31 %
17
26.56 %
15
23.44 %
0
0.00 %
I of Wight
PAR-NEW-IN
2
467
1.58 %
15
3.21 %
403
86.30 %
55
11.78 %
48
10.28 %
1
0.21 %
N Yorks
PAR-NEW-IN
1
123
0.42 %
2
1.63 %
115
93.50 %
7
5.69 %
6
4.88 %
0
0.00 %
S Yorks
PAR-NEW-IN
1
147
0.50 %
2
1.36 %
143
97.28 %
3
2.04 %
1
0.68 %
1
0.68 %
England
181
24319
82.09 %
1241
5.10 %
21608
88.85 %
1750
7.20 %
1413
5.81 %
58
0.24 %
Wales - High TB
Carms
PAR-HERD-S
14
358
1.21 %
41
11.45 %
284
79.33 %
36
10.06 %
33
9.22 %
0
0.00 %
PAR-NEW-IN
1
107
0.36 %
19
17.76 %
79
73.83 %
11
10.28 %
9
8.41 %
0
0.00 %
PAR-OTHER
4
328
1.11 %
33
10.06 %
290
88.41 %
8
2.44 %
5
1.52 %
0
0.00 %
PAR-PERSIS
5
73
0.25 %
2
2.74 %
66
90.41 %
7
9.59 %
5
6.85 %
0
0.00 %
PAR-RAPID
9
39
0.13 %
11
28.21 %
24
61.54 %
4
10.26 %
4
10.26 %
0
0.00 %
SER-FLEXI
3
59
0.20 %
3
5.08 %
52
88.14 %
4
6.78 %
4
6.78 %
0
0.00 %
Ceredigion
PAR-OTHER
1
6
0.02 %
1
16.67 %
5
83.33 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-RAPID
4
7
0.02 %
0
0.00 %
5
71.43 %
2
28.57 %
2
28.57 %
0
0.00 %
Gwent
PAR-HERD-S
5
396
1.34 %
19
4.80 %
335
84.60 %
51
12.88 %
42
10.61 %
0
0.00 %
PAR-PERSIS
1
1
0.00 %
0
0.00 %
1
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-RAPID
3
4
0.01 %
1
25.00 %
2
50.00 %
1
25.00 %
1
25.00 %
0
0.00 %
Pembrokeshire
PAR-RAPID
1
3
0.01 %
1
33.33 %
2
66.67 %
0
0.00 %
0
0.00 %
0
0.00 %
Pembs
PAR-HERD-S
5
70
0.24 %
14
20.00 %
52
74.29 %
4
5.71 %
5
7.14 %
0
0.00 %
PAR-OTHER
2
11
0.04 %
1
9.09 %
10
90.91 %
1
9.09 %
0
0.00 %
0
0.00 %
PAR-PERSIS
10
1,368
4.62 %
47
3.44 %
1254
91.67 %
83
6.07 %
66
4.82 %
1
0.07 %
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Table 2a. Summary by County for March 2019 Cont.
Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
PAR-RAPID
20
52
0.18 %
7
13.46 %
43
82.69 %
3
5.77 %
2
3.85 %
0
0.00 %
SER-FLEXI
1
15
0.05 %
5
33.33 %
8
53.33 %
2
13.33 %
2
13.33 %
0
0.00 %
Powys
PAR-HERD-S
1
14
0.05 %
1
7.14 %
13
92.86 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-PERSIS
4
207
0.70 %
6
2.90 %
195
94.20 %
6
2.90 %
5
2.42 %
1
0.48 %
PAR-RAPID
5
11
0.04 %
3
27.27 %
8
72.73 %
0
0.00 %
0
0.00 %
0
0.00 %
SER-FLEXI
1
15
0.05 %
0
0.00 %
14
93.33 %
1
6.67 %
1
6.67 %
0
0.00 %
S Wales
PAR-PERSIS
1
170
0.57 %
5
2.94 %
159
93.53 %
6
3.53 %
6
3.53 %
0
0.00 %
SER-FLEXI
1
65
0.22 %
5
7.69 %
57
87.69 %
4
6.15 %
3
4.62 %
0
0.00 %
W Glamorgan
PAR-HERD-S
1
1
0.00 %
0
0.00 %
1
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Wales - Intermediate TB
Carms
PAR-OTHER
2
13
0.04 %
0
0.00 %
13
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-RAPID
1
3
0.01 %
1
33.33 %
2
66.67 %
0
0.00 %
0
0.00 %
0
0.00 %
Ceredigion
PAR-HERD-S
1
14
0.05 %
0
0.00 %
6
42.86 %
8
57.14 %
8
57.14 %
0
0.00 %
PAR-OTHER
1
144
0.49 %
21
14.58 %
109
75.69 %
15
10.42 %
14
9.72 %
0
0.00 %
NE Wales
PAR-NEW-IN
10
987
3.33 %
27
2.74 %
909
92.10 %
56
5.67 %
50
5.07 %
1
0.10 %
PAR-RAPID
2
6
0.02 %
0
0.00 %
6
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
SER-FLEXI
4
129
0.44 %
20
15.50 %
108
83.72 %
3
2.33 %
1
0.78 %
0
0.00 %
Powys
PAR-NEW-IN
3
180
0.61 %
3
1.67 %
165
91.67 %
12
6.67 %
12
6.67 %
0
0.00 %
W Glamorgan
PAR-RAPID
1
2
0.01 %
0
0.00 %
2
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Wales - Low TB
Gwynedd
PAR-NEW-IN
2
75
0.25 %
4
5.33 %
71
94.67 %
2
2.67 %
0
0.00 %
0
0.00 %
NE Wales
PAR-NEW-IN
1
6
0.02 %
0
0.00 %
6
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Wales
131
4939
16.67 %
301
6.09 %
4356
88.20 %
330
6.68 %
280
5.67 %
3
0.06 %
Scotland - Scotland
Ayrshire
PAR-NEW-IN
3
366
1.24 %
4
1.09 %
345
94.26 %
20
5.46 %
17
4.64 %
0
0.00 %
Scotland
3
366
1.24 %
4
1.09 %
345
94.26 %
20
5.46 %
17
4.64 %
0
0.00 %
Grand Total
Sum:
315
29624
1546
26309
2100
1710
61
*For test criteria please refer to Operational notes.
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
England - HRA
Avon
PAR-PERSIS
3
219
0.26 %
13
5.94 %
183
83.56 %
24
10.96 %
21
9.59 %
2
0.91 %
SER-FRAUD
1
9
0.01 %
0
0.00 %
9
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Corn & Scilly
PAR-CUL-N
18
1,485
1.74 %
55
3.70 %
1256
84.58 %
136
9.16 %
124
8.35 %
50
3.37 %
PAR-CUL-P
4
1,165
1.37 %
19
1.63 %
1035
88.84 %
132
11.33 %
109
9.36 %
2
0.17 %
PAR-PERSIS
6
1,080
1.27 %
94
8.70 %
849
78.61 %
58
5.37 %
42
3.89 %
95
8.80 %
SER-FLEXI
2
15
0.02 %
0
0.00 %
15
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Devon
PAR-CUL-N
31
4,624
5.43 %
299
6.47 %
4069
88.00 %
321
6.94 %
251
5.43 %
5
0.11 %
PAR-CUL-P
14
3,746
4.40 %
250
6.67 %
3275
87.43 %
259
6.91 %
217
5.79 %
4
0.11 %
PAR-NEW-IN
3
581
0.68 %
96
16.52 %
430
74.01 %
69
11.88 %
55
9.47 %
0
0.00 %
PAR-OTHER
3
7
0.01 %
1
14.29 %
4
57.14 %
2
28.57 %
2
28.57 %
0
0.00 %
PAR-PERSIS
12
1,705
2.00 %
136
7.98 %
1453
85.22 %
147
8.62 %
115
6.74 %
1
0.06 %
SER-FLEXI
4
312
0.37 %
36
11.54 %
225
72.12 %
22
7.05 %
6
1.92 %
45
14.42 %
Dorset
PAR-CUL-N
24
3,313
3.89 %
233
7.03 %
2840
85.72 %
219
6.61 %
184
5.55 %
56
1.69 %
PAR-CUL-P
5
1,239
1.45 %
79
6.38 %
1113
89.83 %
55
4.44 %
47
3.79 %
0
0.00 %
Gloucestershire
PAR-CUL-N
2
113
0.13 %
3
2.65 %
102
90.27 %
10
8.85 %
8
7.08 %
0
0.00 %
Gloucs
PAR-CUL-N
22
2,110
2.48 %
104
4.93 %
1756
83.22 %
165
7.82 %
142
6.73 %
108
5.12 %
PAR-CUL-P
2
290
0.34 %
2
0.69 %
274
94.48 %
14
4.83 %
14
4.83 %
0
0.00 %
Heref
PAR-CUL-N
7
712
0.84 %
26
3.65 %
619
86.94 %
64
8.99 %
56
7.87 %
11
1.54 %
PAR-CUL-P
1
10
0.01 %
0
0.00 %
7
70.00 %
4
40.00 %
3
30.00 %
0
0.00 %
PAR-PERSIS
4
426
0.50 %
32
7.51 %
346
81.22 %
57
13.38 %
48
11.27 %
0
0.00 %
Shropshire
PAR-NEW-IN
1
1
0.00 %
0
0.00 %
1
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-OTHER
4
525
0.62 %
38
7.24 %
448
85.33 %
45
8.57 %
38
7.24 %
1
0.19 %
PAR-PERSIS
4
140
0.16 %
6
4.29 %
109
77.86 %
27
19.29 %
25
17.86 %
0
0.00 %
Somerset excl N
PAR-CUL-N
10
1,753
2.06 %
116
6.62 %
1560
88.99 %
95
5.42 %
75
4.28 %
2
0.11 %
PAR-OTHER
2
238
0.28 %
34
14.29 %
155
65.13 %
8
3.36 %
8
3.36 %
41
17.23 %
Staffs
PAR-PERSIS
3
565
0.66 %
141
24.96 %
386
68.32 %
42
7.43 %
39
6.90 %
0
0.00 %
Table 2b. Summary by County for 2019
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Table 2b. Summary by County for 2019 Cont.
Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
Wiltshire
PAR-CUL-N
1
357
0.42 %
29
8.12 %
300
84.03 %
31
8.68 %
28
7.84 %
0
0.00 %
PAR-CUL-P
3
726
0.85 %
81
11.16 %
622
85.67 %
30
4.13 %
22
3.03 %
1
0.14 %
PAR-NEW-IN
1
209
0.25 %
11
5.26 %
169
80.86 %
35
16.75 %
29
13.88 %
0
0.00 %
PAR-OTHER
1
36
0.04 %
1
2.78 %
33
91.67 %
4
11.11 %
2
5.56 %
0
0.00 %
PAR-PERSIS
1
257
0.30 %
3
1.17 %
240
93.39 %
11
4.28 %
9
3.50 %
5
1.95 %
SER-FLEXI
1
2
0.00 %
0
0.00 %
1
50.00 %
1
50.00 %
1
50.00 %
0
0.00 %
England - Edge
Berks
PAR-NEW-IN
17
2,199
2.58 %
99
4.50 %
1942
88.31 %
183
8.32 %
158
7.19 %
0
0.00 %
PAR-PERSIS
1
92
0.11 %
4
4.35 %
87
94.57 %
2
2.17 %
1
1.09 %
0
0.00 %
Berkshire
PAR-NEW-IN
1
2
0.00 %
0
0.00 %
2
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Bucks
PAR-NEW-IN
5
411
0.48 %
18
4.38 %
369
89.78 %
29
7.06 %
24
5.84 %
0
0.00 %
Cheshire
PAR-CUL-N
1
260
0.31 %
19
7.31 %
229
88.08 %
12
4.62 %
12
4.62 %
0
0.00 %
PAR-NEW-IN
77
14,558
17.09 %
422
2.90 %
13248
91.00 %
913
6.27 %
738
5.07 %
150
1.03 %
PAR-PERSIS
2
264
0.31 %
2
0.76 %
250
94.70 %
13
4.92 %
12
4.55 %
0
0.00 %
Derbyshire
PAR-NEW-IN
52
4,954
5.82 %
202
4.08 %
4129
83.35 %
459
9.27 %
410
8.28 %
213
4.30 %
E Sussex
PAR-NEW-IN
10
1,187
1.39 %
69
5.81 %
1061
89.39 %
50
4.21 %
44
3.71 %
13
1.10 %
Hampshire
PAR-NEW-IN
9
664
0.78 %
30
4.52 %
592
89.16 %
46
6.93 %
42
6.33 %
0
0.00 %
SER-NSR
1
7
0.01 %
0
0.00 %
7
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Leics & Rut
PAR-NEW-IN
23
2,770
3.25 %
160
5.78 %
2321
83.79 %
219
7.91 %
194
7.00 %
95
3.43 %
Northants
PAR-NEW-IN
9
802
0.94 %
58
7.23 %
712
88.78 %
46
5.74 %
32
3.99 %
0
0.00 %
Notts
PAR-NEW-IN
5
617
0.72 %
35
5.67 %
467
75.69 %
62
10.05 %
51
8.27 %
64
10.37 %
Oxon
PAR-NEW-IN
52
5,017
5.89 %
257
5.12 %
4326
86.23 %
456
9.09 %
384
7.65 %
50
1.00 %
Warks
PAR-NEW-IN
45
3,897
4.57 %
219
5.62 %
3338
85.66 %
326
8.37 %
257
6.59 %
83
2.13 %
PAR-PERSIS
2
157
0.18 %
9
5.73 %
137
87.26 %
12
7.64 %
11
7.01 %
0
0.00 %
England - LRA
Cambs
PAR-NEW-IN
4
173
0.20 %
3
1.73 %
156
90.17 %
7
4.05 %
6
3.47 %
8
4.62 %
Cumbria
PAR-NEW-IN
1
3
0.00 %
0
0.00 %
2
66.67 %
1
33.33 %
1
33.33 %
0
0.00 %
Gr Manchester
PAR-NEW-IN
1
64
0.08 %
4
6.25 %
45
70.31 %
17
26.56 %
15
23.44 %
0
0.00 %
I of Wight
PAR-NEW-IN
2
467
0.55 %
15
3.21 %
403
86.30 %
55
11.78 %
48
10.28 %
1
0.21 %
Lancashire
PAR-NEW-IN
1
22
0.03 %
0
0.00 %
21
95.45 %
1
4.55 %
1
4.55 %
0
0.00 %
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Table 2b. Summary by County for 2019 Cont.
Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
Lincs
PAR-NEW-IN
4
70
0.08 %
11
15.71 %
45
64.29 %
14
20.00 %
14
20.00 %
0
0.00 %
N Yorks
PAR-NEW-IN
4
683
0.80 %
21
3.07 %
591
86.53 %
51
7.47 %
43
6.30 %
28
4.10 %
S Yorks
PAR-NEW-IN
2
309
0.36 %
6
1.94 %
293
94.82 %
13
4.21 %
9
2.91 %
1
0.32 %
England
531
67619
79.38 %
3601
5.33 %
58657
86.75 %
5074
7.50 %
4227
6.25 %
1135
1.68 %
Wales - High TB
Carms
PAR-HERD-S
28
1,379
1.62 %
108
7.83 %
1170
84.84 %
119
8.63 %
99
7.18 %
2
0.15 %
PAR-NEW-IN
1
107
0.13 %
19
17.76 %
79
73.83 %
11
10.28 %
9
8.41 %
0
0.00 %
PAR-OTHER
4
328
0.39 %
33
10.06 %
290
88.41 %
8
2.44 %
5
1.52 %
0
0.00 %
PAR-PERSIS
33
3,732
4.38 %
184
4.93 %
3372
90.35 %
207
5.55 %
163
4.37 %
13
0.35 %
PAR-RAPID
27
129
0.15 %
45
34.88 %
75
58.14 %
13
10.08 %
9
6.98 %
0
0.00 %
SER-FLEXI
15
357
0.42 %
30
8.40 %
302
84.59 %
30
8.40 %
25
7.00 %
0
0.00 %
Ceredigion
PAR-HERD-S
1
11
0.01 %
1
9.09 %
9
81.82 %
1
9.09 %
1
9.09 %
0
0.00 %
PAR-OTHER
1
6
0.01 %
1
16.67 %
5
83.33 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-PERSIS
8
828
0.97 %
94
11.35 %
666
80.43 %
79
9.54 %
68
8.21 %
0
0.00 %
PAR-RAPID
14
31
0.04 %
11
35.48 %
16
51.61 %
5
16.13 %
4
12.90 %
0
0.00 %
SER-FLEXI
1
1
0.00 %
0
0.00 %
1
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Gwent
PAR-HERD-S
8
843
0.99 %
50
5.93 %
721
85.53 %
79
9.37 %
70
8.30 %
2
0.24 %
PAR-PERSIS
8
459
0.54 %
21
4.58 %
406
88.45 %
38
8.28 %
31
6.75 %
1
0.22 %
PAR-RAPID
14
47
0.06 %
14
29.79 %
28
59.57 %
5
10.64 %
4
8.51 %
1
2.13 %
Pembrokeshire
PAR-RAPID
1
3
0.00 %
1
33.33 %
2
66.67 %
0
0.00 %
0
0.00 %
0
0.00 %
Pembs
PAR-HERD-S
11
124
0.15 %
19
15.32 %
99
79.84 %
6
4.84 %
7
5.65 %
0
0.00 %
PAR-OTHER
10
1,041
1.22 %
41
3.94 %
924
88.76 %
95
9.13 %
76
7.30 %
0
0.00 %
PAR-PERSIS
25
3,155
3.70 %
158
5.01 %
2795
88.59 %
244
7.73 %
199
6.31 %
3
0.10 %
PAR-RAPID
42
110
0.13 %
23
20.91 %
81
73.64 %
8
7.27 %
6
5.45 %
0
0.00 %
SER-FLEXI
5
104
0.12 %
11
10.58 %
82
78.85 %
11
10.58 %
11
10.58 %
0
0.00 %
Powys
PAR-HERD-S
6
25
0.03 %
3
12.00 %
21
84.00 %
0
0.00 %
0
0.00 %
1
4.00 %
PAR-NEW-IN
5
46
0.05 %
5
10.87 %
35
76.09 %
6
13.04 %
6
13.04 %
0
0.00 %
PAR-PERSIS
9
423
0.50 %
38
8.98 %
369
87.23 %
20
4.73 %
15
3.55 %
1
0.24 %
PAR-RAPID
19
66
0.08 %
12
18.18 %
31
46.97 %
6
9.09 %
6
9.09 %
17
25.76 %
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Table 2b. Summary by County for 2019 Cont.
Country
County
Submission
Reasons*
No.
subs
Samples
Gamma Positive
Gamma Negatives
Retest*
Resample
Reject
n
% of total
n
%
n
%
n
%
SER-FLEXI
2
29
0.03 %
1
3.45 %
27
93.10 %
1
3.45 %
1
3.45 %
0
0.00 %
S Wales
PAR-HERD-S
1
3
0.00 %
0
0.00 %
3
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-PERSIS
1
170
0.20 %
5
2.94 %
159
93.53 %
6
3.53 %
6
3.53 %
0
0.00 %
SER-FLEXI
1
65
0.08 %
5
7.69 %
57
87.69 %
4
6.15 %
3
4.62 %
0
0.00 %
W Glamorgan
PAR-HERD-S
3
118
0.14 %
7
5.93 %
109
92.37 %
5
4.24 %
2
1.69 %
0
0.00 %
PAR-PERSIS
1
7
0.01 %
0
0.00 %
5
71.43 %
2
28.57 %
2
28.57 %
0
0.00 %
PAR-RAPID
1
4
0.00 %
0
0.00 %
3
75.00 %
1
25.00 %
1
25.00 %
0
0.00 %
Wales - Intermediate TB
Carms
PAR-OTHER
3
33
0.04 %
2
6.06 %
25
75.76 %
6
18.18 %
6
18.18 %
0
0.00 %
PAR-RAPID
1
3
0.00 %
1
33.33 %
2
66.67 %
0
0.00 %
0
0.00 %
0
0.00 %
Ceredigion
PAR-HERD-S
2
15
0.02 %
0
0.00 %
6
40.00 %
9
60.00 %
9
60.00 %
0
0.00 %
PAR-OTHER
1
144
0.17 %
21
14.58 %
109
75.69 %
15
10.42 %
14
9.72 %
0
0.00 %
NE Wales
PAR-NEW-IN
29
2,204
2.59 %
79
3.58 %
1987
90.15 %
147
6.67 %
127
5.76 %
11
0.50 %
PAR-OTHER
2
54
0.06 %
16
29.63 %
37
68.52 %
3
5.56 %
1
1.85 %
0
0.00 %
PAR-PERSIS
1
6
0.01 %
0
0.00 %
6
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-RAPID
7
25
0.03 %
4
16.00 %
20
80.00 %
1
4.00 %
1
4.00 %
0
0.00 %
SER-FLEXI
18
545
0.64 %
54
9.91 %
413
75.78 %
31
5.69 %
25
4.59 %
53
9.72 %
Powys
PAR-NEW-IN
4
190
0.22 %
3
1.58 %
174
91.58 %
13
6.84 %
13
6.84 %
0
0.00 %
W Glamorgan
PAR-HERD-S
2
11
0.01 %
3
27.27 %
7
63.64 %
1
9.09 %
1
9.09 %
0
0.00 %
PAR-OTHER
1
1
0.00 %
0
0.00 %
1
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
PAR-RAPID
1
2
0.00 %
0
0.00 %
2
100.00 %
0
0.00 %
0
0.00 %
0
0.00 %
Wales - Low TB
Gwynedd
PAR-NEW-IN
7
160
0.19 %
8
5.00 %
146
91.25 %
7
4.38 %
5
3.13 %
1
0.63 %
NE Wales
PAR-NEW-IN
5
52
0.06 %
0
0.00 %
37
71.15 %
1
1.92 %
0
0.00 %
15
28.85 %
Wales
390
17196
20.19 %
1131
6.58 %
14914
86.73 %
1244
7.23 %
1031
6.00 %
121
0.70 %
Scotland - Scotland
Ayrshire
PAR-NEW-IN
3
366
0.43 %
4
1.09 %
345
94.26 %
20
5.46 %
17
4.64 %
0
0.00 %
Scotland
3
366
0.43 %
4
1.09 %
345
94.26 %
20
5.46 %
17
4.64 %
0
0.00 %
Grand Total
Sum:
924
85181
4736
73916
6338
5275
1256
*For test criteria please refer to Operational notes.
PAR-HERD-S: potential herd slaughter, PAR-P-CONF (PAR-PERSIS from 1 April 2017): persistent TB breakdown OTFW, PAR-LOW-IN (PAR-NEW-IN from 1 April 2017): parallel low incidence, PAR-RAPID: rapid testing
of twice IRs, PAR-CUL-N: new infection in cull area, PAR-CUL-P: persistent infection in cull area, PAR-OTHER: parallel other, SER-FLEXI: flexible extended test in confirmed herds with concurrent Johne’s
infection/vaccination, SER-NSR: serial non-specific reactor, SER-FRAUD: serial potential fraud, SER-OTHER: serial other
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is
possible for the laboratory to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative
result will be reported. Therefore, the total number of samples = the sum of positive, negative, resample and reject samples only.

Table 3a. Summary of IFN Gamma results by country and protocol March 2019
Country
Protocol
No
submissions Samples
Positive
Negatives
Retest*
Resample
Reject
n
% of total n
%
n
%
n
%
n
%
n
%
England
Parallel
181
24319
100.0%
1241
5.1%
21608
88.9%
1750
7.2%
1413
5.8%
58
0.2%
Serial/Extended
0
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
Total
181
24319
100.0%
1241
5.1%
21608
88.9%
1750
7.2%
1413
5.8%
58
0.2%
Scotland
Parallel
3
366
100.0%
4
1.1%
345
94.3%
20
5.5%
17
4.6%
0
0.0 %
Serial/Extended
0
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
Total
3
366
100.0%
4
1.1%
345
94.3%
20
5.5%
17
4.6%
0
0.0 %
Wales
Parallel
121
4656
94.3%
268
5.8%
4117
88.4%
316
6.8%
269
5.8%
3
0.1%
Serial/Extended
10
283
5.7%
33
11.7%
239
84.5%
14
4.9%
11
3.9%
0
0.0 %
Total
131
4939
100.0%
301
6.1%
4356
88.2%
330
6.7%
280
5.7%
3
0.1%
GB
Parallel
305
29341
99.0%
1513
5.2%
26070
88.9%
2086
7.1%
xx-xxxx-xxxx
5.8%
61
0.2%
Serial/Extended
10
283
1.0%
33
11.7%
239
84.5%
14
4.9%
11
3.9%
0
0.0 %
Total
315
29624
100.0%
1546
5.2%
26309
88.8%
2100
7.1%
1710
5.8%
61
0.2%
181.00
131.00
3.00
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is possible for the laboratory
to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative result will be reported. Therefore, the total number
of samples = the sum of positive, negative, resample and reject samples only.

Table 3b. Summary of IFN Gamma results by country and protocol (Total 2019)
Country
Protocol
No
submissions Samples
Positive
Negatives
Retest*
Resample
Reject
n
% of total n
%
n
%
n
%
n
%
n
%
England
Parallel
522
67274
99.5%
3565
5.3%
58400
86.8%
5051
7.5%
4220
6.3%
1090
1.6%
Serial/Extended
9
345
0.5%
36
10.4%
257
74.5%
23
6.7%
7
2.0%
45
13.0%
Total
531
67619
100.0%
3601
5.3%
58657
86.7%
5074
7.5%
4227
6.3%
1135
1.7%
Scotland
Parallel
3
366
100.0%
4
1.1%
345
94.3%
20
5.5%
17
4.6%
0
0.0 %
Serial/Extended
0
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
0
0.0 %
Total
3
366
100.0%
4
1.1%
345
94.3%
20
5.5%
17
4.6%
0
0.0 %
Wales
Parallel
348
16095
93.6%
1030
6.4%
14032
87.2%
1167
7.3%
966
6.0%
68
0.4%
Serial/Extended
42
1101
6.4%
101
9.2%
882
80.1%
77
7.0%
65
5.9%
53
4.8%
Total
390
17196
100.0%
1131
6.6%
14914
86.7%
1244
7.2%
1031
6.0%
121
0.7%
GB
Parallel
873
83735
98.3%
4599
5.5%
72777
86.9%
6238
7.4%
5203
6.2%
1158
1.4%
Serial/Extended
51
1446
1.7%
137
9.5%
1139
78.8%
100
6.9%
72
5.0%
98
6.8%
Total
924
85181
100.0%
4736
5.6%
73916
86.8%
6338
7.4%
5275
6.2%
1256
1.5%
531.00
390.00
3.00
* Sufficient plasma supernatant is collected and stored following the overnight culture stage of the assay such that if the sample fails any of the QC criteria, it is possible for the laboratory
to ‘re-test’ the original sample. Depending on the outcome of a retest, a resample (if QC criteria fail to be met), a positive or a negative result will be reported. Therefore, the total number
of samples = the sum of positive, negative, resample and reject samples only.

Submission Reason
No
submissions Samples
Gamma Positive
Gamma Negatives
Retest
Resample
Reject
n
% of total
n
%
n
%
n
%
n
%
n
%
GB
Extended Flexible IFN-GAMMA test
10
283
1.0%
33
11.7%
239
84.5%
14
4.9 %
11
3.9 %
0
Parallel - Herd or Group Slaughter
27
853
2.9%
75
8.8%
691
81.0%
99
11.6 %
88
10.3 %
0
Parallel New Infection
122
14978
50.6%
633
4.2%
13452
89.8%
1090
7.3 %
889
5.9 %
4
0.0 %
Parallel - new infection cull area
54
6914
23.3%
394
5.7%
6089
88.1%
473
6.8 %
377
5.5 %
54
0.8 %
Parallel - Other
11
504
1.7%
56
11.1%
428
84.9%
25
5.0 %
20
4.0 %
0
Parallel Persistent Infection
34
4252
14.4%
241
5.7%
3768
88.6%
302
7.1 %
242
5.7 %
2
0.0 %
Parallel - persistent infection cull area
11
1713
5.8%
90
5.3%
1548
90.4%
87
5.1 %
74
4.3 %
1
0.1 %
Parallel - Rapid Testing Two-times IRs
46
127
0.4%
24
18.9%
94
74.0%
10
7.9 %
9
7.1 %
0
Total
315
29624
100.0%
1546
5.2%
26309
88.8%
2100
7.1 %
1710
5.8 %
61
0.2 %
Table 4a. Summaryof IFN Gamma results by submission reason (March 2019)
England - HRA
Parallel New Infection
2
315
1.1%
33
10.5%
247
78.4%
49
15.6 %
35
11.1 %
0
Parallel - new infection cull area
53
6654
22.5%
375
5.6%
5860
88.1%
461
6.9 %
365
5.5 %
54
0.8 %
Parallel - Other
1
2
0.0%
0
0.0 %
1
50.0%
1
50.0 %
1
50.0 %
0
Parallel Persistent Infection
12
2182
7.4%
180
8.2%
1855
85.0%
187
8.6 %
148
6.8 %
0
Parallel - persistent infection cull area
11
1713
5.8%
90
5.3%
1548
90.4%
87
5.1 %
74
4.3 %
1
0.1 %
England - HRA
79
10866
36.7%
678
6.2%
9511
87.5%
785
7.2 %
623
5.7 %
55
0.5 %
England - Edge
Parallel New Infection
94
12140
41.0%
520
4.3%
10924
90.0%
857
7.1 %
695
5.7 %
1
0.0 %
Parallel - new infection cull area
1
260
0.9%
19
7.3%
229
88.1%
12
4.6 %
12
4.6 %
0
Parallel Persistent Infection
1
251
0.8%
1
0.4%
238
94.8%
13
5.2 %
12
4.8 %
0
England - Edge
96
12651
42.7%
540
4.3%
11391
90.0%
882
7.0 %
719
5.7 %
1
0.0 %
England - LRA
Parallel New Infection
6
802
2.7%
23
2.9%
706
88.0%
83
10.3 %
71
8.9 %
2
0.2 %
England - LRA
6
802
2.7%
23
2.9%
706
88.0%
83
10.3 %
71
8.9 %
2
0.2 %
Wales - High TB
Extended Flexible IFN-GAMMA test
6
154
0.5%
13
8.4%
131
85.1%
11
7.1 %
10
6.5 %
0
Parallel - Herd or Group Slaughter
26
839
2.8%
75
8.9%
685
81.6%
91
10.8 %
80
9.5 %
0
Parallel New Infection
1
107
0.4%
19
17.8%
79
73.8%
11
10.3 %
9
8.4 %
0
Parallel - Other
7
345
1.2%
35
10.1%
305
88.4%
9
2.6 %
5
1.4 %
0
Parallel Persistent Infection
21
1819
6.1%
60
3.3%
1675
92.1%
102
5.6 %
82
4.5 %
2
0.1 %
Parallel - Rapid Testing Two-times IRs
42
116
0.4%
23
19.8%
84
72.4%
10
8.6 %
9
7.8 %
0
Wales - High TB
103
3380
11.4%
225
6.7%
2959
87.5%
234
6.9 %
195
5.8 %
2
0.1 %
Wales - Intermediate TB
Extended Flexible IFN-GAMMA test
4
129
0.4%
20
15.5%
108
83.7%
3
2.3 %
1
0.8 %
0
Parallel - Herd or Group Slaughter
1
14
0.0%
0
0.0 %
6
42.9%
8
57.1 %
8
57.1 %
0
Parallel New Infection
13
1167
3.9%
30
2.6%
1074
92.0%
68
5.8 %
62
5.3 %
1
0.1 %
Parallel - Other
3
157
0.5%
21
13.4%
122
77.7%
15
9.6 %
14
8.9 %
0
Parallel - Rapid Testing Two-times IRs
4
11
0.0%
1
9.1%
10
90.9%
0
0
0
Wales - Intermediate TB
25
1478
5.0%
72
4.9%
1320
89.3%
94
6.4 %
85
5.8 %
1
0.1 %
Wales - Low TB
Parallel New Infection
3
81
0.3%
4
4.9%
77
95.1%
2
2.5 %
0
0
Wales - Low TB
3
81
0.3%
4
4.9%
77
95.1%
2
2.5 %
0
0
Scotland - Scotland
Parallel New Infection
3
366
1.2%
4
1.1%
345
94.3%
20
5.5 %
17
4.6 %
0
Scotland - Scotland
3
366
1.2%
4
1.1%
345
94.3%
20
5.5 %
17
4.6 %
0

Submission Reason
No
submissions Samples
Gamma Positive
Gamma Negatives
Retest
Resample
Reject
n
% of total
n
%
n
%
n
%
n
%
n
%
GB
Extended Flexible IFN-GAMMA test
49
1430
1.7%
137
9.6%
1123
78.5%
100
7.0 %
72
5.0 %
98
6.9 %
Parallel - Herd or Group Slaughter
62
2529
3.0%
191
7.6%
2145
84.8%
220
8.7 %
189
7.5 %
5
0.2 %
Parallel New Infection
383
42785
50.2%
1854
4.3%
37466
87.6%
3257
7.6 %
2732
6.4 %
733
1.7 %
Parallel - new infection cull area
116
14727
17.3%
884
6.0%
12731
86.4%
1053
7.2 %
880
6.0 %
232
1.6 %
Parallel - Other
32
2413
2.8%
188
7.8%
2031
84.2%
186
7.7 %
152
6.3 %
42
1.7 %
Parallel Persistent Infection
124
13685
16.1%
940
6.9%
11818
86.4%
989
7.2 %
807
5.9 %
121
0.9 %
Parallel - persistent infection cull area
29
7176
8.4%
431
6.0%
6326
88.2%
494
6.9 %
412
5.7 %
7
0.1 %
Parallel - Rapid Testing Two-times IRs
127
420
0.5%
111
26.4%
260
61.9%
39
9.3 %
31
7.4 %
18
4.3 %
Serial - Anomalous Reaction
1
9
0.0%
0
0.0 %
9
100.0%
0
0
0
Serial - Suspected NSR Herd
1
7
0.0%
0
0.0 %
7
100.0%
0
0
0
Total
924
85181
100.0%
4736
5.6%
73916
86.8%
6338
7.4 %
5275
6.2 %
1256
1.5 %
Table 4b. Summary of IFN Gamma results by submission reason (Total 2019)
England - HRA
Extended Flexible IFN-GAMMA test
7
329
0.4%
36
10.9%
241
73.3%
23
7.0 %
7
2.1 %
45
13.7 %
Parallel New Infection
5
791
0.9%
107
13.5%
600
75.9%
104
13.1 %
84
10.6 %
0
Parallel - new infection cull area
115
14467
17.0%
865
6.0%
12502
86.4%
1041
7.2 %
868
6.0 %
232
1.6 %
Parallel - Other
10
806
0.9%
74
9.2%
640
79.4%
59
7.3 %
50
6.2 %
42
5.2 %
Parallel Persistent Infection
33
4392
5.2%
425
9.7%
3566
81.2%
366
8.3 %
299
6.8 %
103
2.3 %
Parallel - persistent infection cull area
29
7176
8.4%
431
6.0%
6326
88.2%
494
6.9 %
412
5.7 %
7
0.1 %
Serial - Anomalous Reaction
1
9
0.0%
0
0.0 %
9
100.0%
0
0
0
England - Edge
Parallel New Infection
305
37078
43.5%
1569
4.2%
32507
87.7%
2789
7.5 %
2334
6.3 %
668
1.8 %
Parallel - new infection cull area
1
260
0.3%
19
7.3%
229
88.1%
12
4.6 %
12
4.6 %
0
Parallel Persistent Infection
5
513
0.6%
15
2.9%
474
92.4%
27
5.3 %
24
4.7 %
0
Serial - Suspected NSR Herd
1
7
0.0%
0
0.0 %
7
100.0%
0
0
0
England - LRA
Parallel New Infection
19
1791
2.1%
60
3.4%
1556
86.9%
159
8.9 %
137
7.6 %
38
2.1 %
England
531
67619
79.4%
3601
5.3%
58657
86.7%
5074
7.5 %
4227
6.3 %
1135
1.7 %
Wales - High TB
Extended Flexible IFN-GAMMA test
24
556
0.7%
47
8.5%
469
84.4%
46
8.3 %
40
7.2 %
0
Parallel - Herd or Group Slaughter
58
2503
2.9%
188
7.5%
2132
85.2%
210
8.4 %
179
7.2 %
5
0.2 %

Table 4b. Summaryof IFN Gamma results by submission reason (Total 2019) Cont.
Parallel New Infection
6
153
0.2%
24
15.7%
114
74.5%
17
11.1 %
15
9.8 %
0
Parallel - Other
15
1375
1.6%
75
5.5%
1219
88.7%
103
7.5 %
81
5.9 %
0
Parallel Persistent Infection
85
8774
10.3%
500
5.7%
7772
88.6%
596
6.8 %
484
5.5 %
18
0.2 %
Parallel - Rapid Testing Two-times IRs
118
390
0.5%
106
27.2%
236
60.5%
38
9.7 %
30
7.7 %
18
4.6 %
Wales - Intermediate TB
Extended Flexible IFN-GAMMA test
18
545
0.6%
54
9.9%
413
75.8%
31
5.7 %
25
4.6 %
53
9.7 %
Parallel - Herd or Group Slaughter
4
26
0.0%
3
11.5%
13
50.0%
10
38.5 %
10
38.5 %
0
Parallel New Infection
33
2394
2.8%
82
3.4%
2161
90.3%
160
6.7 %
140
5.8 %
11
0.5 %
Parallel - Other
7
232
0.3%
39
16.8%
172
74.1%
24
10.3 %
21
9.1 %
0
Parallel Persistent Infection
1
6
0.0%
0
0.0 %
6
100.0%
0
0
0
Parallel - Rapid Testing Two-times IRs
9
30
0.0%
5
16.7%
24
80.0%
1
3.3 %
1
3.3 %
0
Wales - Low TB
Parallel New Infection
12
212
0.2%
8
3.8%
183
86.3%
8
3.8 %
5
2.4 %
16
7.5 %
Wales
390
17196
20.2%
1131
6.6%
14914
86.7%
1244
7.2 %
1031
6.0 %
121
0.7 %
Scotland - Scotland
Parallel New Infection
3
366
0.4%
4
1.1%
345
94.3%
20
5.5 %
17
4.6 %
0
Scotland
3
366
0.4%
4
1.1%
345
94.3%
20
5.5 %
17
4.6 %
0

Year
Month
Herds
sampled
Samples
tested
Herds
with
positives
IFNg+
samples
Wrong
Eartags
No PM
No
Cult
No PM
Cult
Pend
No PM
Cult
Neg
No PM
Cult
Mb
No
PM
Cult
Other
VL No
Cult
VL
Cult
Neg
VL
Cult
Pend
VL
Cult
Mb
VL
Cult
Other
NVL
No
Cult
NVL
Cult
Pend
NVL
Cult
Neg
NVL
Cult
Mb
NVL
Cult
Other
2018 April
195
20517
118
953
4
358
0
0
0
0
116
1
0
0
0
748
0
66
1
1
May
250
21066
131
947
2
173
0
0
0
0
121
1
0
4
0
780
0
35
1
1
June
187
18891
110
701
2
184
0
0
0
0
78
2
0
12
0
579
0
25
0
0
July
207
24111
119
806
1
241
0
0
0
0
67
4
0
2
0
675
3
38
0
2
August
228
19599
120
682
4
161
0
0
0
0
64
2
0
8
1
569
0
31
0
0
September
216
21441
137
946
6
348
0
0
0
0
33
1
0
2
0
840
0
51
1
4
October
274
23976
152
1417
12
418
0
0
0
0
99
2
0
3
0
1232
0
44
0
2
November
282
24570
192
1580
2
668
0
0
0
0
42
5
0
8
2
1329
0
168
0
11
December
228
21554
147
1241
6
393
0
0
0
0
92
0
1
7
2
1037
1
82
0
4
2019 January
289
27513
179
1283
5
381
0
0
0
0
86
0
1
2
3
1113
27
36
0
0
February
320
28044
216
1907
2
682
0
0
0
0
145
0
11
1
0
1526
77
0
0
0
March
315
29624
199
1546
576
678
0
0
0
0
10
0
0
0
0
85
4
0
0
0
Totals (last
12 months)
2991
280906
1820
14009
622
4685
0
0
0
0
953
18
13
49
8
10513
112
576
3
25
Table 5a. Summary of PM and culture results for IFNg positive animals.

Country
Herds
sampled
Samples
tested
Herds
with
positives
IFNg+
samples
No PM
No
Cult
No PM
Cult
Pend
No PM
Cult
Neg
No PM
Cult
Mb
No
PM
Cult
Other
VL No
Cult
VL
Cult
Neg
VL
Cult
Pend
VL
Cult
Mb
VL
Cult
Other
NVL
No
Cult
NVL
Cult
Pend
NVL
Cult
Neg
NVL
Cult
Mb
NVL
Cult
Other
England
1672
217740
1152
10601
2850
0
0
0
0
788
13
11
27
4
8329
7
75
1
3
Scotland
21
1425
13
92
42
0
0
0
0
22
0
0
0
0
49
0
2
0
0
Wales
1298
61741
655
3316
1793
0
0
0
0
143
5
2
22
4
2135
105
499
2
22
Totals
2991
280906
1820
14009
4685
0
0
0
0
953
18
13
49
8
10513
112
576
3
25
Table 5b. Summary of culture results for IFNg positive animals (Samples received in last 12 months)

Figure 4a. Number of herds sampled for IFNg and numbers of herds with any
positive IFNg results.
58
85
36
86
46
93
38
83
74
103
54
72
81
81
53
97
56
94
52
96
49
108
33
81
67
140
76
130
58
131
77
118
119
131
77
110
88
119
108
120
79
137
122
152
90
192
81
147
110
179
104
216
116
199
0
50
100
150
200
250
300
350
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
2017
2018
2019
IFNg Positive herds
IFNg Negative herds
9059
420
9793
442
10459
573
10179
906
13951
615
11775
419
11040
437
10097
560
10063
664
13635
971
9492
961
8778
66818401
969
19186
1229
15561
1199
18776
953
19795
947
17980
701
22955
806
18566
682
20202
946
22357
1416
22496
1580
20038
1241
25652
1283
25636
1907
27595
1546
0
5000
10000
15000
20000
25000
30000
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
2017
2018
2019
IFNg positive animals
IFNg non positive animals*
Figure 4b. Number of animals sampled for IFNg and numbers of animals with
positive IFNg results.
*Includes all animals with IFNg test negative, resample and reject outcomes

0
1
2
3
4
5
6
7
8
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
2017
2018
2019
%Rejected
%Resampled
% NEG Fail
% POS Fail
% of total
submitted
Figure 5. Rates of resamples including the fail rates broken down for positive
(POS) and negative (NEG) controls.

0
50
100
150
200
250
Wiltshire
Warks
S Wales
Somerset excl N
Pembs
Oxon
Notts
NE Wales
I of Wight
Gwynedd
Gr Manchester
Gloucestershire
Dorset
Derbyshire
Cheshire
Carms
Bucks
Berks
%Retested
%Resampled
Figure 6. Proportion of samples retested, or requiring a resample, during March 2019 (% submission per
County)
County
%Resampled %Retested
Ayrshire
4.64 %
5.46 %
Berks
7.16 %
8.18 %
Berkshire
Bucks
6.38 %
6.81 %
Cambs
100.00 %
100.00 %
Carms
6.12 %
7.14 %
Ceredigion
14.04 %
14.62 %
Cheshire
5.11 %
6.28 %
Corn & Scilly
6.47 %
8.01 %
Derbyshire
10.41 %
11.38 %
Devon
5.29 %
7.16 %
Dorset
4.76 %
6.28 %
E Sussex
27.27 %
36.36 %
Gloucestershire
7.08 %
8.85 %
Gloucs
5.38 %
6.30 %
Gr Manchester
23.44 %
26.56 %
Gwent
10.72 %
12.97 %
Gwynedd
2.67 %
Heref
9.39 %
11.19 %
I of Wight
10.28 %
11.78 %
Leics & Rut
5.13 %
6.25 %
NE Wales
4.52 %
5.23 %
Northants
3.91 %
5.55 %
Notts
7.28 %
10.60 %
N Yorks
4.88 %
5.69 %
Oxon
5.37 %
6.99 %
Pembrokeshire
Pembs
4.95 %
6.13 %
Powys
4.22 %
4.45 %
Somerset excl
3.95 %
4.81 %
Staffs
7.23 %
7.93 %
S Wales
3.83 %
4.26 %
S Yorks
0.68 %
2.04 %
Warks
6.57 %
8.36 %
W Glamorgan

Wiltshire
7.78 %
9.08 %

Country
No.
animals
No of IFHg+
animals
% Positive
animals
No. samples
No of IFHg+
samples
% Positive
samples
England
23913
1241
5.2%
24319
1241
5.1%
Wales
4862
301
6.2%
4939
301
6.1%
Scotland
366
4
1.1%
366
4
1.1%
GB
29141
1546
5.3%
29624
1546
5.2%
Table 6a (i): Number of animals and submissions tested in March 2019
Country
No.
animals
No of IFHg+
animals
% Positive
animals
No. samples
No of IFHg+
samples
% Positive
samples
England
64280
3601
5.6%
67619
3601
5.3%
Wales
16382
1131
6.9%
17196
1131
6.6%
Scotland
366
4
1.1%
366
4
1.1%
GB
81028
4736
5.8%
85181
4736
5.6%
Table 6b (i): Number of animals and submissions tested in 2019 Up to end of March
Country
No.
animals
No of IFHg+
animals
% Positive
animals
No. samples
No of IFHg+
samples
% Positive
samples
England
13258
1013
7.6%
13745
1013
7.4%
Wales
2946
146
5.0%
2991
146
4.9%
Scotland
556
40
7.2%
556
40
7.2%
GB
16760
1199
7.2%
17292
1199
6.9%
Table 6a (ii): Number of animals and submissions tested in March 2018
Table 6b (ii): Number of animals and submissions tested in 2018 Up to end of March
Country
No.
animals
No of IFHg+
animals
% Positive
animals
No. samples
No of IFHg+
samples
% Positive
samples
England
41557
2620
6.3%
43517
2620
6.0%
Wales
12421
684
5.5%
13062
684
5.2%
Scotland
1165
93
8.0%
1182
93
7.9%
GB
55143
3397
6.2%
57761
3397
5.9%

* Test type
Num
Submissions
Num Samples Num Positives
Private
% Positive
Total
0
0
0
*SER-IOM: Serial High Specificity test – Isle of Man; PRV-SE: Private High Sensitivity test - England;
PRV-SP: Private High Specificity test – England
Table 7a Number of private samples March 2019
Table 7b Number of private samples 2019
* Test type
Num
Submissions
Num
Samples
Num
Positives
Private
% Positive
Gloucestershire
PRV-SP
1
4
0
Somerset excl North
PRV-SE
4
41
15
36.59 %
Wiltshire
PRV-SP
1
3
0
Worcestershire
SER-OTHER
1
5
0
Total
7
53
15
28.30 %
Isle of Man
SER-IOM
12
51
1
1.96 %
Isle of Man
SER-IOM
5
27
1
3.70 %

Test
County
Num Submissions
Num Samples Tested
Num Positive Samples % Positive
TC0077
North East Wales
4
154
33
21.4 %
Pembrokeshire
1
32
South Wales
1
6
1
16.7 %
Wiltshire
1
43
2
4.7 %
TC0077
Sum:
235
36
15.3 %
Table 8a Number of Cattle Antibody Tests March 2019
Test
County
Num Submissions
Num Samples Tested
Num Positive Samples % Positive
TC0077
Carmarthenshire
2
125
4
3.2 %
North East Wales
8
273
40
14.7 %
Pembrokeshire
1
32
South Wales
1
6
1
16.7 %
Wiltshire
1
43
2
4.7 %
TC0077
Sum:
479
47
9.8 %
Table 8b Number of Cattle Antibody Tests 2019