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Table 1 Effects of holding in EH medium on mitochondrial distribution pattern of equine oocytes examined before or after IVM

From: Effect of holding equine oocytes in meiosis inhibitor-free medium before in vitro maturation and of holding temperature on meiotic suppression and mitochondrial energy/redox potential

Treatment

Nuclear chromatin configuration

n. of analyzed oocytes

Small mitochondrial aggregates (SA) n. (%)

Perinuclear/pericortical (P/P) n. (%)

Abnormal n. (%)

EH

FN

4

4 (100)

0 (0)

0 (0)

F/I

2

2 (100)

0 (0)

0 (0)

CC

24

9 (38)

11 (46)

4 (17)

PI/MI

11

7 (64)

4 (36)

0 (0)

IMM

FN

16

6 (38)

3 (19)

7 (44)

I

13

11 (84)

2 (15)

0 (0)

CC

14

7 (50)

5 (36)

2 (14)

PI/MI

0

0 (0)

0 (0)

0 (0)

EH-IVM

MII

34

9 (26)a

23 (68)a

2 (6)

IMM-IVM

MII

46

25 (55)b

18 (39)b

3 (6)

  1. Legend: Homogenous/heterogeneously fluorescent nucleus (FN); Fibrillar/Intermediate (F/I); Condensed chromatin (CC); Prometaphase I/Metaphase I (PI/MI); Metaphase II (MII).
  2. Chi square test with the Yates correction: between treatments and chromatin configurations: a vs. b (P <0.05).