Table 1.

Additive (V_A) and nonadditive (V_D) genetic variance components, phenotypic variance (V_P), and heritability (h²) of female-mediated effects on ejaculate quality and handling, controlled for block and vial effects

Trait	N	VA	VD	VP	h2	LLR	P
Thorax length*	484	1.29	0	5.44	0.24	8.2	0.09
Absolute SR length*,	484	0.02	0.006	0.04	0.50	49.4	<0.0001
Relative SR length*,†	484	0.02	0.006	0.04	0.54	50.3	<0.0001
Day of remating	1,585	0.06	0.03	0.46	0.14	18.2	0.0001
Progeny before remating (E)	1,572	329.6	0	340.5	0.97	386.6	<0.0001
Progeny before remating (P)*	487	436	0	485	0.90	46.3	<0.0001
Duration of copulation	1,573	1.63	0	34.24	0.05	7.9	0.24
Resident sperm at remating	1,115	9,729	965	20,815	0.47	61.8	0.0003
Number of sperm transferred	1,104	0	0	65,502	0.00	0.0	1.0
Time to ejection	1,277	0.05	0	0.14	0.36	65.3	<0.0001
Mean sperm velocity*	536	130	0	1,044	0.13	4.7	0.32
First-male sperm stored	1,272	599	108	4,853	0.12	8.1	0.044
Second-male sperm stored	1,272	1,955	0	10,395	0.19	16.1	0.001
Total sperm stored	1,228	2,737	0	13,697	0.20	28.0	<0.0001
S2 (pre-ejection) ‡	1,104	0.003	0	0.007	0.36	66.6	<0.0001
S2 (postejection)	1,272	0.001	0	0.010	0.14	20.1	0.0005
S2 in SR (postejection)	1,241	0.008	0	0.025	0.29	64.2	<0.0001
Prop. first-male sperm in SR	1,293	0.008	0.0004	0.020	0.43	78.9	<0.0001
Prop. second-male sperm in SR	1,296	0.002	0	0.009	0.19	16.0	0.001
Second-male paternity (P2)*	419	0.005	0.001	0.028	0.17	7.8	0.051

For further details, see Materials and Methods, Statistical Analyses. E, ejection experiment; P, paternity experiment. Boldface indicates traits with significant heritability.

^*Based on one female per family (i.e., maximum n = 6 per isoline cross).

^†Controlled for female thorax length as a fixed effect (t = 2.42, P = 0.016).

^‡Proportion of second-male sperm among all resident first-male sperm and the entire second-male ejaculate.