Table 4.
Group | Anim. No. | Mesenteric and ileocolic LNN | oGALT (e.g. JPP, #of sites examined = 7) | Small intestine (#of sites examined = 5) | Lesion cat. summary | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Macro | Histo | MAP IHC | Lesion cat. LNN | Macro | Histo | MAP IHC | #of sites affected | Lesion cat. oGALT | Macro | Histo | MAP IHC | #of sites affected | Lesion cat. intestine | |||
V1 | 7 | ✓, e | G | 2 | III | - | - | 0 | 0 | I | - | - | 0 | 0 | I | III |
8 | ✓, e | G, gInf | 2 | III | ✓ | mf , D | 2 | 7 | III | ✓, E | mf +++ | 2 | 4 | III | III | |
9 | ✓, e | G, gInf | 1 | II | ✓ | mf , C | 2 | 5 | III | ✓, S | mf ++ | 0 | 4 | III | III | |
10 | ✓, f | G, gInf | 1 | III | ✓ | mf, C | 1 | 4 | III | ✓, S | mf + | 2 | 4 | III | III | |
11 | ✓, e | G, gInf | 1 | III | ✓ | f/mf, C/A | 0 | 2 | II | - | f + | 0 | 1 | II | II | |
12 | ✓, e | G | 1 | III | - | - | 0 | 0 | I | - | - | 0 | 0 | I | III | |
13 | - | gInf | 1 | II | ✓ | f/mf, B | 0 | 1 | II | ✓, MF | mf + | 0 | 2 | II | II | |
V2 | 14a | ✓, e | G, gInf | 1 | III | ✓ | f, C | 0 | 3 | II | - | - | 0 | 0 | I | II |
15 | - | - | 0 | I | ✓ | mf, C | 0 | 1 | II | ✓, MF | - | 0 | 0 | I | II | |
16a | ✓, e | G, gInf | 1 | III | ✓ | mf, B | 0 | 3 | II | ✓, E | mf ++ | 0 | 4 | III | III | |
17a | ✓, e | G, gInf | 1 | III | ✓ | mf, C | 0 | 1 | II | - | - | 0 | 0 | I | II | |
18 | ✓, e | G, gInf | 2 | III | ✓ | mf, C | 0 | 3 | II | - | - | 0 | 0 | I | II | |
19 | ✓, e | G, gInf | 2 | III | ✓ | mf/d, C | 0 | 6 | III | ✓, S | mf ++ | 0 | 4 | III | III | |
20a | ✓, f | G, gInf | 1 | II | - | - | 0 | 0 | I | - | - | 0 | 0 | I | II | |
V3 | 27 | ✓, f | G | 0 | II | ✓ | mf, C/A | 0 | 5 | III | ✓, S, MF | f + | 0 | 1 | II | II |
28 | ✓, e | G, gInf | 1 | II | ✓ | mf, C | 0 | 1 | II | ✓, MF | f ++ | 0 | 3 | III | II | |
29 | ✓, f | G, gInf | 1 | II | ✓ | f, C | 0 | 2 | II | - | - | 0 | 0 | I | II | |
30 | ✓, f | G, gInf | 1 | II | ✓ | mf, C | 0 | 4 | III | - | - | 0 | 0 | I | II | |
31 | - | gInf | 0 | II | - | - | 0 | 0 | I | - | - | 0 | 0 | I | II | |
32 | ✓, e | G, gInf | 1 | III | ✓ | f, C | 0 | 2 | II | - | f ++ | 0 | 1 | II | II | |
V4 | 33 | ✓, e | G, gInf | 1 | III | ✓ | f/mf, C/A | 0 | 2 | II | ✓, MF | mf + | 0 | 1 | II | II |
34 | - | - | 0 | I | ✓ | mf, C | 0 | 1 | II | - | f + | 0 | 2 | II | II | |
35 | ✓, e | G, gInf | 1 | III | ✓ | mf, C | 0 | 7 | III | ✓, MF | mf ++ | 0 | 4 | III | III | |
36b | - | - | 0 | I | ✓ | mf, C | 0 | 4 | III | - | f + | 0 | 1 | II | II | |
37 | ✓, e | G, gInf | 1 | III | ✓ | mf, D | 2 | 4 | III | ✓, MF | mf +/++ | 1 | 4 | III | III | |
38 | ✓, e | G, gInf | 1 | III | - | - | 0 | 0 | I | - | - | 0 | 0 | I | III | |
39 | - | - | 0 | I | - | - | 0 | 0 | I | - | - | 0 | 0 | I | I |
✓ paratuberculous lesion; − no paratuberculous lesion; LNN lymph nodes; G granuloma; gInf granulomatous infiltrate; MAP IHC MAP detected by IHC; nd not done; anecropsy at 37–39 wpi; bnecropsy at 35 wpi; 0 no MAP; 1 paucibacillary; 2 multibacillary; f focal; mf multifocal; e extensive; A-D type of histological lesion (see text); +, ++, +++ mild, moderate, severe granulomatous infiltrates; E entire small intestine with thickened intestinal wall and corrugated mucosa; S segments of small intestine with thickened intestinal wall and corrugated mucosa; MF 0.5 – 2 cm thickening of the intestinal mucosa with central depression; lesion categories: I - no lesions; II – mild lesions; III - severe lesions.