Rapid adaptation to mammalian sociality via sexually selected traits

Table 1 Male and female reproductive success during direct competition

Response Variable	Source	Males				Females
		DF	DFden	F	P	DF	DFden	F	P
Number of offspring
	Sweep^*	4	84.5	0.94	0.45	4	82.7	0.75	0.56
	Breeding treatment	1	84.4	4.38	0.039	1	82.1	0.70	0.41
	Breeding treatment x number of surviving males	1	41.8	4.11	0.049
Number of litters
	Sweep	4	83.1	1.02	0.40	4	85	0.55	0.70
	Breeding treatment	1	82.6	5.82	0.018	1	85	6.59	0.012
Litter size
	Sweep	4	72.8	1.22	0.31	4		83.8	0.27
	Breeding treatment	1	75.8	0.25	0.62	1		83.3	0.28

GLMM analysis of components of promiscuous line and monogamous line founder (n = 100) reproductive success as determined by sex-specific markers with enclosure (n = 10) as a random effect and all other variables as fixed effects.
* Offspring sweeps were conducted approximately every 35 days to remove and sacrifice pups for genetic analysis (thus preventing them from reaching sexual maturity) (n = 5).

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