Table 1 The number of total loci, average loci per lane, specific loci by PCR analysis using 7 oligonucleotides primers from fresh shrimp population (FSP) and deceased shrimp population (DSP) from Shinan regions

Item	No. of average loci per lane		No. of specific loci
Primer	FSP	DSP	FSP	DSP
OPA-03	4.1 (45)	1.5 (16)		0	3
OPA-07	1.0 (11)	2.5 (28)		0	2
OPA-09	3.7 (41)	2.5 (28)		4	2
OPA-10	6.5 (71)	3.1 (35)		12	6
OPA-18	2.2 (24)	2.2 (24)		12	18
OPB-19	1.7 (19)	1.3 (14)		2	5
OPB-20	2.0 (22)	1.5 (17)		3	6
Total no.	3.0 (233)	2.1 (162)		33	42
Average no. per primer	33.3	23.1		4.7	6.0