Table 2

Method	Gills (clone number)	Digestive glands (clone number)	Oyster (clone number)	Enrichment (clone number)
Allmag™ Blood Genomic DNA kit	196±7^aA	238±7^bA	146±13^cA	1633±40^dA
MiniBEST Bacterial Genomic DNA Extraction kit	234±13^aB	265±11^bB	135±6^cA	1636±38^dA
Phenol-chloroform method	63±7^aC	82±6^bA	84±6^bB	1623±45^cA
Boiling lysis method	0^aD	0^aD	0^aC	1660±36^bA

^a-d: statistical analysis on rows; ^A-D: statistical analysis on columns.

Table 2: Numbers of colonies from PCR cloning.