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

Table 8 Effects of dietary valine: lysine ratio during late gestation on the content of DNA, RNA and total protein of mammary tissue

Items	Dietary treatments			Linear	Quadratic
Items	LV	MV	HV	Linear	Quadratic
Day 1 of lactation
DNA, μg/g	426.28 ± 75.33^b	555.87 ± 42.85^b	849.92 ± 102.88^a	0.003	0.907
RNA, mg/g	2.57 ± 0.44^b	4.31 ± 0.80^b	6.93 ± 0.52^a	< 0.001	0.710
Protein, mg/g	32.15 ± 6.04^b	37.80 ± 0.75^ab	47.65 ± 1.18^a	0.013	0.917
DNA/Protein, μg/mg	13.47 ± 0.75	14.71 ± 1.08	17.95 ± 2.47	0.0742	0.901
Day 21 of lactation
DNA, μg/g	656.77 ± 55.63	607.31 ± 68.66	817.06 ± 47.31	0.085	0.875
RNA, mg/g	4.89 ± 0.67	5.44 ± 0.70	5.58 ± 0.63	0.518	0.711
Protein, mg/g	40.89 ± 4.77^b	44.62 ± 2.29^ab	54.84 ± 2.86^a	0.011	0.821
DNA/Protein, μg/mg	17.03 ± 1.42	14.68 ± 1.29	13.24 ± 1.64	0.890	0.781

Results were presented as mean values with their standard errors, n = 4. 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