Table 2

Summary of male reproductive traits.

strain

courtship ability a*

mating ability b*

number of transferred sperm c

spermatid size d*

sperm production rate e*

P2 early*

P2 late

P2 fertility f

male maintenance g


AB1

23.38

12.14

161

8.17

0.780

0.734

0.490

190.2

0.352

CB4855

29.17

8.57

188

5.62

0.708

0.814

0.516

266.2

0.122

CB4856

27.14

8.57

178

6.08

0.758

0.809

0.495

260.3

0.239

DR1350

9.52

5.00

206

5.15

1.017

0.497

0.519

196.3

n.d.

JU440

20.83

23.57

111

5.46

0.935

0.572

0.500

216.7

0.050

MY2

22.53

20.00

138

4.22

0.862

0.516

0.460

159.5

0.135

PD4790

24.03

18.57

123

4.74

0.970

0.488 h

0.496 h

170.1

0.181 i


a mean percent of observations with male-female contact and/or spicule insertion; b mean percent females inseminated in 9 h; c median number of sperm; d median diameter (μm); e mean number of sperm/min; f mean total number of progeny; g from Teotonio et al. [29]; h averaged across all 6 experiments with wild isolate strains; i value for strain N2 that shares the same genetic background as PD4790; * significant among-strain heritable variation in this trait; n.d. = not determined

Murray et al. BMC Evolutionary Biology 2011 11:99   doi:10.1186/1471-2148-11-99

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