Table 4. Whole-body proximate composition (%, wet basis) of Pacific white shrimp Penaeus vannamei fed the experimental diets for 8 weeks

	Protein	Lipid	Ash
Con	19.0 ± 0.15	1.16 ± 0.05	3.28 ± 0.09
TB5	19.1 ± 0.02	1.13 ± 0.06	3.15 ± 0.05
TB10	19.1 ± 0.18	1.30 ± 0.06	3.26 ± 0.02
TB20	19.1 ± 0.08	1.13 ± 0.03	3.34 ± 0.06
Pr > F*
ANOVA	0.906	0.326	0.465
Linear	0.688	0.765	0.447
Quadratic	0.610	0.335	0.248

Values are mean of four replicate groups (n = 4) and presented as mean ± SD.
Con, basal diet; TB, tributyrin; TB5, TB10 and TB20 are 0.05%, 0.1% and 0.2% TB supplemented diets; ANOVA, analysis of variance.
Probability value associated with the F-statistic. Values < 0.05 indicate significant differences among treatments.'