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Distribution of contaminants (normal flora) recovered from tonsils of infected herds by the IMS method with PAb IgG-coated beads and the standard procedure
| No. of CFU/plate | No. (%) of tonsils positive by:
|
|
|---|---|---|
| SPa | IMS | |
| 0 | 0 (0) | 15 (8) |
| 1–30 | 11 (6) | 78 (41) |
| 31–300 | 21 (11) | 68 (35) |
| >300 | 160 (83) | 31 (16) |
SP, standard procedure.
