Emergency vaccination alleviates highly pathogenic porcine reproductive and respiratory syndrome virus infection after contact exposure

Table 1 Summary of infection and treatment results from piglets

			Scores of clinical signs of each pig					Scores of pathological lesions of each pig***
Groups	Morbidity*	Mortality**	3dpi	5dpi	7dpi	14dpi	21dpi	1#	2#	3#	4#	5#	Mean ± SD
Group1	5/5	3/5	1.6	2.2	3.2	4.5	3.2	8	12	9	12	12	10.6±1.83^a
Group2	5/5	2/5	1	2	2.4	3	2.25	7	8	12	12	7	9.2±2..4^a
Group3	3/5	0/5	0	1.4	0.4	3.2	1.6	5	7	4	9	7	6.40±1.58^b
Group4	0/5	0/5	0	0	0	0	0	1	2	0	0	0	1.00±0.89^c

* indicates numbers of ill pigs/total numbers of pigs within a group;
** indicates numbers of died pigs/total numbers of pigs within a group;
*** indicates mean scores of the clinical signs of living pigs;
# labels the ear number of pigs within one group;
The different labeled letter “a,b,c” in the last line indicates significant difference between different groups (P < 0.05).

ISSN: 1746-6148