Table 1.

Clinical signs scoring table.

Clinical sign	Score/day	Total score [average per animal/day]
		Group 1	Group 2	Group 3
Depressed, normal appetite	1			1 [0.03]
Depressed, reduced appetite	2			12 [0.40]
Hives, legs (mild)	1			2 [0.07]
Hives, legs (marked)	2			4 [0.13]
Hives, neck	1			5 [0.17]
Mucopurulent eye discharge	2		6 [0.04]	22 [0.73]
Muscle tremors	2			2 [0.07]
Nasal serous discharge	1	38 [0.28]	40 [0.30]	6 [0.20]
Petechial haemorrhages	1			1 [0.03]
Red oral mucosa	1		2 [0.01]	4 [0.13]
Reduced appetite	1			1 [0.03]
Stiffness	1			1 [0.03]
Temperature 38.5–39.0 °C	1			1 [0.03]
Temperature 39.1–39.5 °C	2			6 [0.20]
Temperature 39.6–40.0 °C	3			9 [0.30]
Temperature > 40 °C	4			24 [0.80]
Total		38 [0.28]	48 [0.36]	101 [3.4]