Table 2. Measurements and sex ratio of Pacific oyster (Crassostrea gigas) used in the experiments. Data are shown as mean ± SEM (n = 30)

Parameter 2021
MAR APR MAY JUN JUL AUG SEP
Shell length (mm) 57.46 ± 1.15 61.59 ± 1.18 62.63 ± 1.36 73.09 ± 1.22 62.53 ± 2.13 72.59 ± 1.09 74.49 ± 3.73
Shell height (mm) 121.35 ± 2.31 117.19 ± 3.39 132.26 ± 2.54 125.52 ± 2.26 120.74 ± 2.66 150.83 ± 4.27 95.00 ± 5.16
Shell width (mm) 37.41 ± 0.91 39.10 ± 0.91 36.80 ± 0.88 42.94 ± 1.20 39.43 ± 1.42 43.47 ± 1.34 41.59 ± 1.40
Whole weight (g) 135.96 ± 3.61 162.32 ± 4.34 149.95 ± 4.46 196.19 ± 7.13 123.37 ± 7.44 271.16 ± 10.72 128.47 ± 4.84
Flesh weight (g) 22.22 ± 0.81 26.96 ± 1.00 31.14 ± 0.84 29.23 ± 1.17 18.04 ± 0.86 32.06 ± 1.67 16.73 ± 0.92
Sex ratio [n (%)] Female 6 (20) 16 (53) 14 (47) 15 (50) 13 (43) 22 (73) 10 (33)
Male 23 (77) 14 (47) 16 (53) 15 (50) 17 (57) 8 (27) 19 (63)
Undivided 1 (3) 0 0 0 0 0 1 (3)