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

Table 3. Effects of Amino Acid Deficiency in Low-Protein Diets on Egg Quality of 38–50 Weeks Laying Hens^a.

groups	shell thickness (mm)	shell strength (N)	haugh unit	yolk color	shell color	egg weight (g)	yolk (%)	albumen (%)	shell (%)
PC group	0.44	36.57	82.53	4.70	54.53^a	61.61^a	26.01	63.62	10.37
Met-	0.46	38.25	82.23	4.73	51.61^ab	56.48^b	27.82	61.37	10.80
Lys-	0.46	40.63	83.90	4.83	52.12^ab	60.51^a	26.67	62.72	10.62
Ile-	0.47	38.69	80.63	4.93	53.97^ab	61.01^a	26.34	62.97	10.68
Thr-	0.46	40.15	85.50	5.13	50.93^b	62.46^a	26.47	63.07	10.45
SE^b	0.01	1.46	1.83	0.14	0.99	0.76	0.65	0.17	0.19
P value	0.08	0.30	0.41	0.21	0.047	<0.001	0.35	0.66	0.48

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

Pooled standard error of the mean.

Table 3. Effects of Amino Acid Deficiency in Low-Protein Diets on Egg Quality of 38–50 Weeks Laying Hensa.