Table 2.

Effects of the physical form of the diet on body weight, body composition, and organ weights of C57BL/6 mice

	AIN93G		Wheat		P
	Pellet	Powder	Pellet	Powder	Diet effect	Form effect	Diet × form interaction
Final body weight (g)	30.9 ± 1.4a	35.5 ± 1.0b	30.0 ± 0.9a	39.5 ± 1.4b	0.166	<0.001	0.031
Fat mass:body mass (%)	15.21 ± 1.85	26.67 ± 2.45	15.24 ± 1.40	29.84 ± 1.73	0.420	<0.001	0.428
Lean mass:body mass (%)	72.36 ± 1.62	62.65 ± 2.14	72.18 ± 1.29	60.27 ± 1.48	0.462	<0.001	0.527
Total body water:body mass (%)	61.36 ± 1.39	53.31 ± 1.68	61.14 ± 1.06	50.82 ± 1.33	0.346	<0.001	0.426
Fat mass (g)	4.51 ± 0.56	8.66 ± 0.92	4.25 ± 0.58	10.95 ± 0.74	0.177	<0.001	0.091
Lean mass (g)	21.75 ± 0.39	21.56 ± 0.23	21.39 ± 0.43	22.72 ± 0.45	0.258	0.116	0.042a
Body mass (g)	30.08 ± 0.94	34.43 ± 1.33	29.22 ± 0.96	37.49 ± 0.87	0.312	<0.001	0.076
Abdominal fat weight: carcass weight (%)	3.24 ± 0.45	6.31 ± 0.62	3.02 ± 0.36	6.75 ± 0.35	0.816	<0.001	0.497
Liver weight: carcass weight (%)	3.89 ± 0.09	3.57 ± 0.09	3.82 ± 0.07	3.73 ± 0.14	0.654	0.036	0.258
Kidney weight: carcass weight (%)	1.50 ± 0.03	1.32 ± 0.06	1.61 ± 0.03	1.29 ± 0.07	0.424	<0.001	0.195
Spleen weight: carcass weight (%)	0.23 ± 0.01	0.21 ± 0.01	0.24 ± 0.02	0.24 ± 0.03	0.368	0.511	0.554

^aTwo-way ANOVA (n = 12 to 15 per group) was performed for statistical analysis, and Tukey contrasts were performed for variables with significant (P ≤ 0.05) diet × form interaction. Within each row, means with different superscripts are significantly (P ≤ 0.05) different by Tukey contrasts. None of the pairwise comparisons are significant (P ≤ 0.05) by Tukey contrasts.