Table 2 Effect of in ovo feeding of methionine on hatching body weight, liver and heart absolute and relative weight of TSL and HPC chicks.

Parameter		HBW (g)	ALW (g)	AHW (g)	RLW (%)	RHW (%)
Genotype n = 32
	TSL	41.24^a	1.17	0.37^a	2.84^b	0.90
	HPC	35.75^b	1.15	0.33^b	2.97^a	0.92
Treatment, n = 8
	Control	39.66^a	1.17	0.36^a	2.99	0.92
	Saline	38.23^ab	1.17	0.34^ab	3.05	0.90
	DL-Met	39.45^a	1.21	0.37^a	3.08	0.95
	L-Met	36.46^b	1.10	0.32b	3.02	0.88
p Value	Genotype	< 0.001	0.636	0.029	0.032	0.164
	Treatment	0.035	0.503	0.038	0.901	0.565
	Interaction	0.219	0.029	0.349	0.063	0.374
RMSE		3.291	0.229	0.015	0.578	0.132
Model		< 0.001	0.111	0.026	0.091	0.42
Treatment effect by genotype
	n = 8
TSL	Control	43.59^a	1.20	0.38	2.78	0.88
	Saline	40.73^a	1.29	0.37	3.15	0.92
	DL-Met	41.37^a	1.12	0.37	2.71	0.89
	L-Met	38.34^b	1.08	0.34	2.81	0.88
P-value		0.006	0.221	0.280	0.335	0.876
RMSE		2.70	0.21	0.05	0.51	0.11
HPC	Control	35.69	1.11	0.35	3.16	0.98
	Saline	35.48	1.00	0.31	2.84	0.89
	DL-Met	37.71	1.33	0.37	3.51	0.99
	L-Met	34.81	1.12	0.31	3.22	0.88
P-value		0.467	0.091	0.073	0.232	0.306
RMSE		3.79	0.25	0.06	0.64	0.15

Significant p-values are in [bold].
Means with a similar letter(s) are not significantly different within the column and effect (P > 0.05).
RMSE, root square of the mean square of error; TSL, TETRA SL genotype; HPC, Hungarian partridge colored hen genotype; HBW, hatching body weight; ALW, absolute liver weight; AHW, absolute heart weight; RLW, relative liver weight; RHW, relative heart weight.

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