Table 1.

Results of serum neutralization (SN) test both BM3 and DR13 strains of PEDV from porcine sera.

ID	Agea	Sampling site	Collection Date day-month-year	Clinical symptom	PEDV Vaccinnated	BM3 strain	DR13 strain
						Mean SN titerb	Mean SN titer
1	Suckling	Chungnam, farm DJ	19−05-2015	Diarrhea	Yes	2.67	6.67
2						3.33	10.67
3						2.33	6.67
4						2.67	21.33
5	Gilt	Gyeongbuk, farm GM	22−05-2015	N. K	Yes	<2	5.33
6						2.67	21.33
7						2.33	32
8						<2	2.33
9	Sow	Jeonnam, farm SC	29−05-2015	Diarrhea	Yes	<2	10.67
10						3.33	32
11	Sow	Chungnam, farm CS	03−06-2015	Severe diarrhea and dehydration	Yes	5.33	21.33
12						4	9.33
13	Suckling					2.33	21.33
14						2.67	21.33
15	Suckling	Gyeonggi, Farm NRM	17−07-2015	N. K	Yes	2	26.67
16						<2	13.33
17						<2	13.33
18						<2	3.33
19	Suckling	Gangwon, farm NFR	28−07-2015	N. K	No	<2	<2
20						<2	5.33
21						<2	<2
22						<2	<2
23	Sow	Chungnam, farm CW	27−08-2015	Severe diarrhea,	Yes	<2	3.33
24				Respiratory disorders		2	18.67
25						<2	13.33

N.K: Not Known.

^aSamples were sorted into six groups: female (gilt and sow), suckling (30 days), weaned (30–60 days), grower (60–90 days); and finisher (≥90 days).

^bThe mean average of 3 times titer serum neutralizing test for antibodies against PEDV. An antibody titer of  ≥2 was considered positive.