Table 2. Relationships between calving conditions and placenta explusion (PE) time.
| PE time, h |
Total | ||||
|---|---|---|---|---|---|
| 0–4 | 4–8 | 8–12 | RP (> 12) | ||
| n (%) | 12 (26.1) | 26 (56.5) | 1 (2.2) | 7 (15.2) | 46 (100.0) |
| Calving duration, h | 29.05 ± 2.64 a | 22.84 ± 1.59 b | 21.20 | 17.75 ± 0.84 c | 23.66 ± 1.25 |
| Parities | 0.75 ± 0.28 | 1.12 ± 0.19 | 4 | 1.29 ± 0.29 | 1.11 ± 0.15 |
| Gestation period, d | 279.2 ± 0.9 | 278.9 ± 0.6 | 279 | 278.1 ± 1.2 | 279.0 ± 0.4 |
| No. of dystocia (%) | 1 (8.3) | 1 (3.8) | 0 (0.0) | 0 (0.0) | 2 (4.3) |
| No. of twin births (%) | 0 (0.0) | 1 (3.8) | 0 (0.0) | 2 (28.5) | 3 (6.5) |
| No. of female calves (%) | 9 (75.0) | 17 (65.4) | 0 (0.0) | 5 (71.4) | 31 (67.4) |
| Calf body weight, kg | 41.6 ± 1.4 | 42.7 ± 0.6 | 49.0 | 43.7 ± 2.2 | 42.4 ± 0.6 |
Data are LSmean ± SE. Different superscripts abc P < 0.05.