Effects of dietary valine supplementation during late gestation on the reproductive performance and mammary gland development of gilts

Table 2 Effect of dietary valine: lysine ratio during late gestation on gilt’s performance

Items	Dietary treatments			Linear	Quadratic
Items	LV	MV	HV	Linear	Quadratic
Body weight, kg
Day 75 of gestation, kg	188.81 ± 6.57	189.17 ± 4.54	189.00 ± 4.64	0.909	0.610
Day 0 of lactation, kg	196.81 ± 7.17	194.33 ± 5.66	192.25 ± 4.56	0.689	0.468
Day 21 of lactation, kg	186.56 ± 6.71	186.39 ± 5.41	185.19 ± 3.98	0.938	0.591
Loss (d 0 - d 21), kg	10.25 ± 2.49	7.94 ± 2.30	7.06 ± 2.56	0.663	0.621
Backfat, mm
Day 75 of gestation, mm	17.50 ± 1.05	17.09 ± 0.90	19.50 ± 1.05	0.139	0.376
Day 0 of lactation, mm	19.12 ± 1.05	18.09 ± 0.90	20.00 ± 1.05	0.433	0.276
Day 21 of lactation, mm	16.12 ± 0.83	15.91 ± 0.70	16.25 ± 0.83	0.876	0.786
Loss (d 0- d 21), mm	3.00 ± 0.78	2.18 ± 0.67	3.75 ± 0.78	0.374	0.239
Feed intake, kg/d
Day 1-7 of lactation, kg/d	3.04 ± 0.18^ab	2.81 ± 0.17^b	3.51 ± 0.20^a	0.049	0.091
Day 7-14 of lactation, kg/d	5.08 ± 0.34	5.13 ± 0.32	5.53 ± 0.34	0.334	0.811
Day 14-21 of lactation, kg/d	5.95 ± 0.26	5.46 ± 0.23	6.15 ± 0.26	0.386	0.082
Day 1-21 of lactation, kg/d	4.57 ± 0.24	4.37 ± 0.21	4.86 ± 0.24	0.290	0.291

Results were presented as mean values with their standard errors, n = 10. LV: total valine: lysine = 0.63: 1; MV: total valine: lysine = 0.73: 1; HV: total valine: lysine = 0.93: 1. Means not sharing the same letter are different (P < 0.05)

ISSN: 2049-1891