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Table 1 Developmental competence of adult and lamb oocytes

From: Transcriptomic comparison of ovarian granulosa cells between adult sheep and prepubertal lambs

Groups

No. of donors

No. of recovered oocytes

Average no. of oocytes recovered

from each donor

No. of cleaved

(Mean ± SEM, %)

No. of blastocysts

(Mean ± SEM, %)

Adult

100

1202

12.2

823 (68.4 ± 4.9)

83/199 (40.5 ± 1.9) a

Lamb-2D

5

635

127

489 (76.2 ± 3.5)

59/363 (17.8 ± 1.4) b

Lamb-3D

5

560

112

450 (78.2 ± 9.1)

67/255 (27.9 ± 3.1) c

  1. Percentage of cleaved: No. of cleaved /No. of recovered oocytes
  2. Percentage of blastocysts: No. of blastocysts/No. of cleaved. Only parts of embryos were cultured for evaluation of their development
  3. Values with different letters (a, b and c) within the same column are significantly different (p < 0.05)
  4. Adult Adult ewes were treated with FSH for 3 days, Lamb-2D Lambs were FSH-treated for 2 days, Lamb-3D lambs were FSH-treated for 3 days