Performance, metabolic and hormonal responses of grazing Nellore cows to an energy-protein supplementation during the pre-partum phase

Table 1 Least square means and P-values for effect of energy-protein supplementation on cows and calves’ performance

Item¹	Treatment		SEM	P-value
Item¹	NS	SS	SEM	P-value
Calving BW (kg)	515.1	536.9	13.86	0.315
Calving BCS	5.19	5.53	0.222	0.233
BCS 45	5.38	5.11	0.273	0.492
CBW (kg)	30.8	32.1	1.14	0.442
CBW45 (kg)	70.6	73.0	1.78	0.380
CBW90 (kg)	93,2	101.1	6.30	0.409
N° days to conception	80	77	11.30	0.874
Pregnancy rate (%)	73	68	–	0.720

¹BW body weight, BCS Body Condition Score, CBW Calf Birth Weight, CBW45 Calf Body Weight at 45-d, CBW90 Calf Body Weight at 90-d

ISSN: 1746-6148