Evaluation of a Commercial High-Protein Distiller’s Dried Grain with Solubles (HP-DDGS) Product in the Diet of Juvenile Nile Tilapia (Oreochromis niloticus)

Table 4

Production performance of juvenile Nile tilapia fed diets supplemented with graded levels of HP-DDGS for 8 weeks.

	Initial weight (g)	Final weight (g)	Weight gain^a (%)	FE^b	PCE (%)^c	Muscle ratio (%)^d	HSI^e (%)	IPF^f (%)	Survival^g (%)
Control	10.3	49.9	383	0.85	44.2	27.7	3.09	1.10	100
ProCap 75	11.3	47.6	321	0.79	40.0	27.3	2.73	1.33	97.8
ProCap 150	10.3	46.8	353	0.82	42.4	28.5	3.26	0.99	91.1
ProCap 225	10.7	50.4	376	0.87	43.4	26.1	2.92	1.13	100
ProCap 300	10.5	47.4	354	0.81	40.1	26.7	3.30	0.94	88.9
ProCap 375	10.5	48.6	364	0.83	42.5	26.7	3.32	1.40	95.6
PSE	0.34	2.32	28.33	0.04	0.025	0.011	0.002	0.003	0.036
Linear
	0.68	0.87	0.85	0.94	0.73	0.30	0.14	0.53	0.24
	0.011	0.002	0.022	0.000	0.008	0.06	0.12	0.02	0.08
Quadratic
	0.81	0.91	0.89	0.988	0.85	0.59	0.27	0.54	0.39
	0.028	0.013	0.001	0.002	0.02	0.067	0.157	0.079	0.117

Abbreviations: FE: feed efficiency; PCE: protein conversion efficiency; HSI: hepatosomatic index; IPF: intraperitoneal fat ratio; PSE: pooled standard error; : probability associated with the statistic; : regression model goodness of fit. ^aPercentage weight gain (). ^bFeed efficiency (FE) (). ^cProtein conversion efficiency (PCE) (). ^dMuscle ratio (). ^eHepatosomatic index (HSI) (). ^fIntraperitoneal fat (IPF) ratio (). ^gSurvival (%) .