. 2021 May 10;6(20):13094–13104. doi: 10.1021/acsomega.1c00739

Table 4. Effects of Amino Acid Deficiency in Low-Protein Diets on Serum Biochemical Indices of 38–50 Weeks Laying Hens^a.

groups	TG (mmol/L)	UA (μmol/L)	urea (mmol/L)	TP (g/L)	ALB (g/L)	SOD (U/mL)	GSH (U/mL)	IgM (g/L)
PC group	11.54^a	64.56^b	0.37	39.28	13.00	163.95	687.37	0.89
Met-	7.64^b	82.33^a	0.31	37.47	12.81	169.36	695.33	0.80
Lys-	8.40^b	63.33^b	0.31	37.86	12.37	172.15	692.38	0.78
Ile-	8.78^b	70.44^ab	0.43	39.61	12.99	170.34	720.82	0.82
Thr-	8.41^b	72.78^ab	0.45	42.24	12.64	169.57	719.00	0.86
SE^b	0.48	4.31	0.04	2.15	0.39	2.02	13.12	0.05
P value	<0.001	0.025	0.070	0.551	0.765	0.074	0.239	0.570

^abMeans within a row with no common superscripts differ (P < 0.05).

Pooled standard error of the mean.

Table 4. Effects of Amino Acid Deficiency in Low-Protein Diets on Serum Biochemical Indices of 38–50 Weeks Laying Hensa.