Table 2 Characteristics of the sperm in the semen.

From: A genetically female brain is required for a regular reproductive cycle in chicken brain chimeras

No.

Type

Prograf

Age (days)

Characteristics of the sperm

Motility (%)

Progressive motility (%)

Path velocity (μm s−1)

Concentration ( ×ばつ 109 ml−1)

471

M

376

60

18

45

5.1

464

M

284

95

39

48

4.9

389

81

32

50

5.6

8184

M

610

55

28

48

2.3

463

M

+

389

45

11

34

5.3

450

MM

+

527

70

20

35

2.1

395

FM

+

549

90

38

50

3.2

654

71

22

40

5.2

461

FM

+

381

73

25

46

3.6

  1. FM, female brain in male body; M, control male (cock); MM, male brain in male body.
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