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Number of services for the interaction levels in first lactation.
| n | M | SD | SE | |
|---|---|---|---|---|
| C_M | 10,094 | 2.04a | 1.45 | 0.01 |
| C_F | 11,217 | 1.95b | 1.38 | 0.01 |
| S_M | 1797 | 1.98ab | 1.47 | 0.04 |
| S_F | 12,619 | 1.91c | 1.32 | 0.01 |
conventional semen × male calves (C_M), conventional semen × female calves (C_F), sexed semen × male calves (S_M), sexed semen × female calves (S_F).
Means with different superscripts differ (P < 0.05).
