Table 1.

Microbial load (cfu/g) in the export quality shrimp samples

*Sample no.	Sample fractions	TVB	Total fungi	E. coli	Vibriospp.	Klebsiellaspp.	Aeromonasspp.	Shigellaspp.	Staphylococcusspp.	Listeriaspp.
Samples 1–3	Head	1.5 × 108	1.8 × 105	1 × 103	2.8 × 102	1.3 × 102	1.4 × 102	2.6 × 102	9.1 × 106	1 × 105
	Body	1.5 × 107	5.4 × 104	0	0	0	1.3 × 102	0	4.1 × 105	0
	Tail	7.6 × 106	4.1 × 105	0	0	0	0	0	2 × 106	5.3 × 104
Samples 4–9	Head	2.1 × 107	1.1 × 104	0	0	0	4.7 × 102	0	1.5 × 104	1 × 102
	Body	1.3 × 106	1.2 × 104	0	0	0	0	0	2.3 × 103	1.1 × 103
	Tail	2.8 × 106	1.5 × 104	0	0	0	0	0	2 × 102	2.1 × 103
Samples 10–15	Head	1.2 × 108	1.8 × 105	1.2 × 102	1.3 × 102	1.1 × 102	3.2 × 102	2.6 × 102	3.4 × 104	1 × 103
	Body	1.1 × 107	5.4 × 104	1 × 102	0	0	1.2 × 102	0	2.2 × 103	0
	Tail	1.3 × 106	4.1 × 105	0	0	0	0	0	2.3 × 104	1.3 × 103
Samples 16–21	Head	3.4 × 107	1.8 × 105	0	0	0	0	0	2.6 × 105	1 × 102
	Body	2.5 × 106	5.4 × 104	0	0	0	0	0	3.3 × 105	1.3 × 102
	Tail	1.4 × 106	4.1 × 105	0	0	0	0	0	1.2 × 105	4.3 × 102
Samples 22–27	Head	2.5 × 108	1.8 × 105	1 × 102	1.5 × 102	1.1 × 102	1.9 × 102	1.2 × 102	1.1 × 106	1.3 × 102
	Body	1.9 × 106	5.4 × 104	0	0	0	0	0	1.2 × 104	0
	Tail	1.2 × 106	4.1 × 105	0	0	0	0	0	2.8 × 105	2.4 × 102
Samples 28–30	Head	1.7 × 107	1.8 × 105	0	0	0	1.8 × 102	0	5.3 × 105	1 × 104
	Body	1.2 × 106	5.4 × 104	0	0	0	0	0	2.4 × 104	1.2 × 102
	Tail	1.6 × 106	4.1 × 105	0	0	0	0	0	2.4 × 104	2.4 × 102

*Samples 1–3 (Macrobrachium rosenbergi) = collected within July 2011–September 2011, Samples 4–9 (Macrobrachium rosenbergi) = collected within October 2011–March 2012, Samples 10–15 (Penaeus monodon) = collected within April 2012–September 2012, Samples 16–21 (Penaeus monodon) = collected within October 2012–March 2013, Samples 22–27 (Macrobrachium rosenbergi): Collected within: April 2013 –September 2013, Samples 28–30 (Penaeus monodon) = collected within October 2013–December 2013.

TVB: Total viable bacteria.

Average bacterial load (cfu/g) in each category has been shown and fecal coliforms, Salmonella spp., Pseudomona spp. and Clostridium spp. were absent.