Table 6. Cox regression models for time to achieving pre-determined morphometric targets, puberty, first service and conception.

	Hazard ratio	95% Confidence Interval	P value
Time to withers height of 125 cm
Dietary group (ad libitum or restricted MR)	1.23	0.82–1.84	0.33
Birth weight (kg)	1.09	1.04–1.14	< 0.001
Dam Parity (multiparous vs primiparous)	0.44	0.27–0.74	0.002
Time to body weight of 380 kg
Dietary group (ad libitum or restricted MR)	1.70	1.08–2.67	0.021
Birth weight (kg)	1.09	1.04–1.15	0.001
Dam Parity (multiparous vs primiparous)	0.51	0.29–0.91	0.022
Plasma TP	1.25	0.95–1.63	0.105
Pneumonia during pre-weaning period	0.78	0.55–1.11	0.17
Time to puberty
Dietary group (ad libitum or restricted MR)	1.41	0.88–2.26	0.157
Pneumonia during pre-weaning period	0.70	0.43–1.14	0.147
Time to First Service
Dietary group (ad libitum or restricted MR)	1.47	0.97–2.24	0.072
Birth weight (kg)	1.08	1.03–1.14	0.001
Dam Parity (multiparous vs primiparous)	0.58	0.34–0.99	0.045
Plasma TP	1.43	1.09–1.87	0.009
Time to conception
Dietary group (ad libitum or restricted MR)	1.39	0.93–2.1	0.109
Birth weight (kg)	1.09	1.04–1.15	< 0.001
Dam Parity (multiparous vs primiparous)	0.67	0.41–1.1	0.114