Algal and Vegetable Oils as Sustainable Fish Oil Substitutes in Rainbow Trout Diets: An Approach to Reduce Contaminant Exposure

Table 7

Apparent digestibility coefficients (ADC) of experimental diets (g/100g TL).

	18 FO	18 SO	18 CO	18 COS	25 FO	25 SO	25 CO	25 COS	Pooled SEM
Dry matter	72.7^b	76.2^a,b	77.2^a,b	77.5^a,b	79.3^a	81.4^a	82.0^a	81.3^a	0.7
Crude protein	90.4	91.1	91.4	90.6	90.9	91.6	91.5	91.7	0.2
Total lipid	78.9^c	90.3^a,b	89.0^b	89.9^a,b	89.4^b	93.7^a	92.8^a,b	91.5^a,b	0.9
Gross energy	80.9^e	82.1^d,e	85.2^c,d,e	85.5^b,c,d,e	87.4^a,b,c	86.3^a,b,c,d	90.3^a	90.0^a,b	0.7

18 FO, 18 DP/DE diet with 100% fish oil; 18 SO, 18 DP/DE diet with 75% soybean oil; 18 CO, 18 DP/DE diet with 75% canola oil; 18 COS, 18 DP/DE diet with 75% blend of canola oil and Schizochytrium sp.; 25 FO, 25 DP/DE diet with 100% fish oil; 25 SO, 25 DP/DE diet with 75% soybean oil; 25 CO, 25 DP/DE diet with 75% canola oil; 25 COS, 25 DP/DE diet with 75% blend of canola oil and Schizochytrium sp.; DM, dry matter; DP/DE, digestible protein/digestible energy (lipids); TL, total lipids. Data represent the mean ± standard deviation of three replicates. Within the same line, different superscripts indicate significant differences due to the diet ().