. 2015 Nov;28(11):1641–1648. doi: 10.5713/ajas.15.0181

Table 3.

Effect of dietary types and storage time on raw egg quality

Item	Dietary type¹	Albumen quality parameter		Weight loss (%)	Yolk index

		Haugh unit	Albumen pH
Time of storage
0 wk	SBM	81.63^ab	8.29^hi	0.00	0.429^cd
	SBM-CSP	82.03^a	8.27^hi	0.00	0.450^bc
	CSP	76.13^cde	8.41^g	0.00	0.433^cd
	SBM-DRM	81.35^ab	8.22ⁱ	0.00	0.481^a
	DRM	76.67^cd	8.20ⁱ	0.00	0.466^ab
	CSP-DRM	81.17^ab	8.32^h	0.00	0.485^a
2 wk	SBM	76.40^cd	8.69^ef	1.00	0.417^def
	SBM-CSP	78.50^bc	8.64^f	1.02	0.413^defg
	CSP	75.11^cde	8.71^ef	1.08	0.418^de
	SBM-DRM	67.25^g	8.72^def	1.01	0.403^efghi
	DRM	66.98^g	8.77^cde	1.06	0.379^ij
	CSP-DRM	72.84^ef	8.68^ef	1.05	0.390^ghij
4 wk	SBM	73.94^def	8.82^bc	1.48	0.400^efghi
	SBM-CSP	76.52^cd	8.81^bcd	1.35	0.404^efgh
	CSP	72.71^ef	8.84^abc	1.48	0.393^fghij
	SBM-DRM	66.85^g	8.90^ab	1.45	0.390^ghij
	DRM	66.13^g	8.92^a	1.53	0.371^j
	CSP-DRM	71.44^f	8.86^abc	1.48	0.385^hij
Pooled SEM		0.324	0.007	0.009	0.002
Mean values of main effects
Dietary type	SBM	77.32^ab	8.60	0.83	0.415^ab
	SBM-CSP	79.02^a	8.58	0.79	0.422^a
	CSP	74.65^c	8.65	0.85	0.415^ab
	SBM-DRM	71.82^d	8.62	0.82	0.424^a
	DRM	69.93^d	8.63	0.87	0.405^b
	CSP-DRM	75.15^bc	8.62	0.84	0.420^a
Storage time	0 wk	79.83^a	8.28^c	0.00^c	0.457^a
	2 wk	72.85^b	8.70^b	1.04^b	0.403^b
	4 wk	71.27^b	8.86^a	1.46^a	0.390^c
Source of variation, p-value
Dietary types		<0.001	0.057	0.243	0.034
Storage time		<0.001	<0.001	<0.001	<0.001
Dietary types×storage time		0.001	<0.001	0.616	<0.001

SEM, standard error of mean values (n = 180).

The dietary types included soybean meal (SBM), cottonseed protein (CSP), double-zero rapeseed meal (DRM) individually or in combination with equal crude protein (SBM-CSP, SBM-DRM, and CSP-DRM) as the protein ingredient(s).

^a–j

Mean values within a column without common superscripts differ significantly (p<0.05).