Table 1. Calving duration (h) and calving status.

	Heifers	Cows	Total
Calving duration, h	25.13 ± 1.98	22.94 ± 1.59	23.66 ± 1.25
Total cattle, n	15	31	46
No. of natural calvings, %	11 (73.3)	25 (80.6)	36 (78.2)
No. of assisted calvings, %	2 (13.3)	6 (19.4)	8 (17.3)
No. of dystocia, %	2 (13.3)	0 (0.0)	2 (4.3)
No. of RP, %	1 (6.67)	6 (19.3)	7 (15.2)

Data are by LSmean ±SE.