Table 2 Behavioral and physical score criteria for ammonia induced pharyngitis rat models
Symptom rating | Diet reduction | Activities reduction | Mouth scratch | Mouth hair loss | Cough | Saliva secretion | Pharynx swelling |
|---|---|---|---|---|---|---|---|
0 | No | No | Normal | No | No | No | Normal |
1 | Mild | Mild | Few | Few | Mild | little | Mild |
2 | Obvious | Obvious | Many | Many | Severe | Mass | Severe |