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

Figure 1

Concentrations of (a) PCBs (ppb), (b) organochlorine pesticides (ppb), (c) toxaphenes (ppb), and (d) flame retardants (ppb) in experimental diets. 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).

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