Treatment

Site 1

Site 2

Shell + meat

(g fw·oyster⁻¹)

Meat

(g fw·oyster⁻¹)

Shell + meat

(g fw·oyster⁻¹)

Meat

(g fw·oyster⁻¹)

Oyster condition index^a

Z. japonica

189

24

211

33

5.7

No Z. japonica

192

27

241

39

6.7

T test significance

0.9

0.2

0.05

0.04

0.02