From: Competitive males have higher quality sperm in a monogamous social bee
Selection episode | Response | Predictor | Parameter estimate | SE | P-value | |
---|---|---|---|---|---|---|
Persistence time in the aggregation | Sperm viability | Days at aggregation | 3 days | 0.26 | 0.18 | 0.15 |
5 days | −0.24 | 0.18 | 0.18 | |||
Sperm length | Days at aggregation | 3 days | −3.36 | 0.98 | <0.01 | |
5 days | −3.02 | 0.99 | <0.01 | |||
Sperm length variation | Days at aggregation | 3 days | 0.03 | 0.08 | <0.001 | |
5 days | 0.03 | 0.08 | <0.01 |