N lactations | Mean age at calving in months (95%CI) | Lactations with early conception (43 to 93 DIM) | Lactations with late conception (after 93 DIM) | |||||
---|---|---|---|---|---|---|---|---|
N lactations | Calving to first insemination in days (95%CI) | Number of inseminations | N lactations | Calving to first insemination in days (95%CI) | Number of inseminations | |||
First parity lactations | 12,758 | 25.48 (25.42-25.53) | 6,883 | 69.84 (69.51-70.17) | 1.27 (1.25-1.28) | 5,875 | 97.21 (96.49-97.92) | 2.12 (2.10-2.15) |
Second parity lactations | 5,651 | 37.63 (37.54-37.73) | 3,131 | 70.23 (69.73-70.72) | 1.25 (1.23-1.26) | 2,520 | 98.01 (96.89-99.12) | 2.02 (1.98-2.06) |
Third or later parity lactations | 4,640 | 58.401 | 2,574 | 70.99 (70.46-71.52) | 1.25 (1.23-1.27) | 2,066 | 97.94 (96.69-99.18) | 2.00 (1.96-2.05) |
All lactations | 23,049 | 35.101 | 12,588 | 70.17 (69.93-70.42) | 1.26 (1.25-1.27) | 10,461 | 97.54 (97.00-98.09) | 2.08 (2.05-2.10) |