Table 3.

Chick development parameters of male broiler chicks exposed to in ovo L-carnitine injection

	Chick weight g	Yolk sac g	Liver %	Lung %	Heart %	Bursa fabricius %	Spleen %	Brain %	Breast muscle %	Gizzard %
Day, 0
C	47.92 ± 0.85	6.32 ± 0.47	2.55 ± 0.07	0.923 ± 0.08	0.635 ± 0.01	0.121 ± 0.01	0.03 ± 0.01	1.85 ± 0.16	1.86 ± 0.07	5.49 ± 0.25
IOPW	45.62 ± 0.85	5.14 ± 0.47	2.58 ± 0.07	0.937 ± 0.08	0.660 ± 0.01	0.105 ± 0.01	0.05 ± 0.01	2.01 ± 0.16	1.69 ± 0.07	5.45 ± 0.25
IOPW + L-car	47.08 ± 0.85	5.64 ± 0.47	2.5] ± 0.07	0.967 ± 0.08	0.613 ± 0.01	0.09 ± 0.01	0.04 ± 0.01	1.80 ± 0.16	1.85 ± 0.07	5.00 ± 0.25
P value	0.177	0.225	0.947	0.928	0.151	0.206	0.286	0.653	0.228	0.3372
Day, 3
C	84.38 ± 3.19	0.77 ± 0.23	3.90 ± 0.13	0.88 ± 0.04	0.62 ± 0.03	0.12 ± 0.01	0.06 ± 0.01	1.13 ± 0.05	3.53 ± 0.27	5.29 ± 0.15
IOPW	73.39 ± 4.52	0.79 ± 0.37	3.73 ± 0.18	0.84 ± 0.06	0.64 ± 0.05	0.08 ± 0.01	0.04 ± 0.01	1.30 ± 0.07	2.59 ± 0.38	5.28 ± 0.22
IOPW + L-car	81.77 ± 4.52	1.59 ± 0.33	3.97 ± 0.18	0.86 ± 0.07	0.54 ± 0.05	0.13 ± 0.01	0.05 ± 0.01	1.19 ± 0.07	3.68 ± 0.38	5.16 ± 0.22
P value	0.167	0.139	0.643	0.878	0.351	0.060	0.579	0.188	0.108	0.877
Day, 7
C	177.14 ± 6.98	0.56 ± 0.42	4.09 ± 0.20	0.89 ± 0.04	0.69 ± 0.02	0.13 ± 0.07	0.06 ± 0.01	0.73 ± 0.07	9.45 ± 0.47	4.18 ± 0.13
IOPW	161.12 ± 7.80	0.62 ± 0.42	3.92 ± 0.20	0.90 ± 0.05	0.65 ± 0.02	0.30 ± 0.08	0.07 ± 0.01	0.62 ± 0.07	9.04 ± 0.53	4.39 ± 0.14
IOPW + L-car	165.11 ± 6.98	0.42 ± 0.49	3.95 ± 0.20	0.96 ± 0.04	0.72 ± 0.02	0.18 ± 0.08	0.08 ± 0.01	0.76 ± 0.07	10.27 ± 0.47	4.12 ± 0.13
P value	0.304	0.952	0.841	0.456	0.140	0.336	0.132	0.424	0.251	0.408

C Control, non—injection group, IOPW In ovo pure water injection group, IOPW + L-car In ovo L-carnitine injection group added pure water