Dietary Supplementation of Leucine in Premating Diet Improves the Within-Litter Birth Weight Uniformity, Antioxidative Capability, and Immune Function of Primiparous SD Rats

Table 2

Effect of dietary leucine supplementation on the reproductive performance in primiparous SD rats.

Items	Control	0.6% leucine	value
Within-litter birth weight variation (%)			0.036
Number of live-born rats ()			0.195
Average birth weight of live-born rats (g)			<0.01
Average weight of placentas (g)			0.021

Value is the mean ± standard error of means of twelve replicates; is means labeled with significant difference (); is means labeled with extreme difference ().