. 2022 Sep 2;13:972041. doi: 10.3389/fphys.2022.972041

TABLE 2.

Effect of in ovo cysteine and lysine on anatomical characteristics of day-old chicks.

Parameters	UI	DW	L Y	CY	CLH	CLL	SEM	p Value
Liver (%)	1.36	1.29	0.92	0.96	1.32	1.44	0.177	0.2552
HM (%)	0.20^b	0.17^bc	0.17^bc	0.34^ab	0.11^c	0.38^a	0.057	0.0011
Gizzard (%)	3.26	3.46	2.41	1.80	2.71	3.26	0.415	0.2431
IW (%)	2.68	2.43	2.01	1.62	1.95	2.43	0.274	0.4334
Heart (%)	0.32	0.30	0.28	0.23	0.31	0.30	0.047	0.2630
Residual Yolk (%)	2.37^a	1.01^b	1.24^bc	0.98^c	2.75^a	2.56^a	1.853	0.0165

^abc: Means value within the row bearing different superscript differ significantly (p< 0.05). UI, Un-injected eggs; DW, eggs injected with Distilled water; LY, Eggs injected 2 mg lysine; CY, Eggs injected 3.4 mg cysteine; CLH, Eggs injected mixture of 3.4 mg cysteine plus 2 mg lysine; CLL, Eggs injected mixture of 1.7 mg cysteine plus 1 mg lysine; IW, intestinal weight.