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Clinical scoring system. The animals were monitored daily and scored using the scoring system in this table.
| General Health Status | Food Intake | Nasal Discharge | Number of Noduli | Dissemination of Noduli | |||||
|---|---|---|---|---|---|---|---|---|---|
| Normal | 0 | Normal | 0 | Normal | 0 | No noduli | 0 | No Noduli | 0 |
| Mild Illness | 1 | Slightly Decreased | 0.5 | Mild | 1 | <10 | 1 | Localized | 1 |
| Severe Illness | 2 | Decreased | 1 | Marked Mucous | 2 | >10 | 2 | Generalized | 2 |
| Does Not Eat | 1.5 | Purulent | 3 | ||||||
