Table 1 The quantitative criteria of the clinical scoring system used in this study
items | criterion | score |
|---|---|---|
status | regular activity, prompt alertness, and swift reaction | 0 |
slightly reduced activity, incomplete alertness, and mild depression | 1 | |
more often lying down, slower response, and depressed demeanor | 2 | |
long time lying down, barely respond to stimulation, and cannot stand up | 3 | |
respiratory | regular respiratory rate (10~30 times/min), and no cough | 0 |
slightly increased respiratory rate (31~45 times/min) and/or occasional coughs | 1 | |
a moderate increase in respiratory rate (46~55 times/min) and/or noticeable cough (multiple coughs within 5 minutes) | 2 | |
dyspnea (more than 55 times/min), wheezing, and open-mouth breathing | 3 | |
appetite | quickly eat all the forage | 0 |
eat 4/5 of the forage or slowly eat all the forage | 1 | |
eat 3/5 of the forage | 2 | |
eat 1/5 of the forage or less | 3 | |
ocular and ear | normal | 0 |
slight ocular secretion and ear bounce | 1 | |
moderate bilateral ocular secretion or mild unilateral earlobe | 2 | |
severe eye secretion, severe head tilt, or bilateral ear droop | 3 | |
nasal discharge | no nasal discharge | 0 |
the small amount of serous nasal discharge | 1 | |
flowing mucus or yellow viscous nasal discharge | 2 | |
mucosal cyanosis, and/or purulent or rusty nasal discharge | 3 |