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. 2021 Jun 3;22(11):6036. doi: 10.3390/ijms22116036

Table 1.

Effects of in vivo and in vitro oocyte aging at 20 °C on the eyeing and hatching rates in common carp (mean ± SD). Means sharing a common alphabetical symbol do not differ significantly.

In Vivo Oocyte Aging
HPO 0 2 4 6 8 10 12 28
Eyeing % 88 ± 9 a 91 ± 5 a 77 ± 16 ab 66 ± 30 ab 46 ± 25 bc 15 ± 11 cd 3 ± 4 d 0 ± 0 d
Hatching % 83 ± 16 a 88 ± 10 a 71 ± 21 a 59 ± 31 ab 31 ± 19 bc 6 ± 5 c 0.7 ± 1 c 0 ± 0 c
In Vitro Oocyte Aging
HPO 0 2 4 6 8 10 12 28
Eyeing % 95 ± 4 a 94 ± 3 a 92 ± 3 a 84 ± 8 a 62 ± 6 b 40 ± 5 c 0 ± 0 d
Hatching % 94 ± 4 a 92 ± 1 a 88 ± 5 a 68 ± 15 ab 36 ± 22 bc 21 ± 9 cd 0 ± 0 d

HPO: Hours post-ovulation; HPS: Hours post-stripping.