Table 5.

Characteristics of the egg albumen depending on the specific concentration of citric acid applied on the shell.

Characteristic	Time (days)	Group				SEM	Factors
		CA0	CA10	CA15	Total		CA	T	CA × T
AH (mm)	0	8.22			8.22c	0.198	-	1	-
	7	5.69	5.44	5.74	5.62b	1.433
	14	4.94	4.90	5.48	5.11b	0.110
	21	4.52y	4.63y	4.37x	4.51a	0.094
	28	4.11	4.22	4.11	4.15a	0.095
HU	0	90.9			90.9c	1.174	-	1	-
	7	73.4	70.8	74.2	72.8b	0.827
	14	67.5	66.7	71.3	68.5b	0.948
	21	64.2y	65.7y	62.1x	64.0a	0.973
	28	60.3	64.2	59.2	61.2a	1.593
AW (g)	0	37.27			37.27b	0.734	-	1	-
	7	35.98	36.47	35.88	36.11a,b	0.373
	14	36.45	36.40	36.06	36.30a,b	0.405
	21	35.26	35.22	34.78	35.09a	0.336
	28	34.89	34.86	34.87	34.87a	0.378
AP (%)	0	61.15			61.15b	0.531	-	1	-
	7	59.47	59.34	59.19	59.33a	0.285
	14	59.9	60.53	59.59	60.01a,b	0.367
	21	59.81	58.87	59.61	59.43a	0.392
	28	58.79	58.32	58.62	58.58a	0.265
ApH	0	8.25			8.25a	0.039	-	1	1
	7	8.92	9.02	8.97	8.97b	0.020
	14	9.09	9.03	9.02	9.05b	0.014
	21	9.09	9.09	9.09	9.09b	0.006
	28	9.11	9.09	9.11	9.10b	0.006

^{x, y}means within the row differ significantly at P ≤ 0.05; ^{a, b} means within the column differ significantly at P ≤ 0.05.

Abbreviations: CA, citric acid; AH, albumen height; AP, albumen proportion in egg weight; ApH, pH of albumen; AW, albumen weight; T, time.

¹The influence of factor significant at P ≤ 0.05.