Yellow- and brown-seeded canola ( Brassica napus ), camelina ( Camelina sativa ) and Ethiopian mustard ( Brassica carinata ) in practical diets for rainbow trout fingerlings

Rainbow trout (initial body weight 2.5 ± 0.3 g; 30 fish/tank; 4 tanks/treatment) were offered either the control diet or one of four test diets. The test diets contained brown seed coat canola (BSC; Brassica napus), yellow seed coat canola (YSC; Brassica rapa), Brassica carinata (Ethiopian mustard;...

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Bibliographic Details
Published in:Journal of applied aquaculture 2018-04, Vol.30 (2), p.187-195
Main Authors: Anderson, Derek M., MacPherson, Margaret J., Collins, Stephanie A., MacIsaac, Paul F.
Format: Article
Language:English
Subjects:
Body weight
Brassica
Brassica carinata
Brassica napus
Camelina sativa
Canola
Control
Diet
Fingerlings
Fish
Freshwater fishes
Mustard
Oilseed crops
Oncorhynchus mykiss
Rape plants
Seed coats
Sulfur
Tanks
Trout
Weight
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Summary:Rainbow trout (initial body weight 2.5 ± 0.3 g; 30 fish/tank; 4 tanks/treatment) were offered either the control diet or one of four test diets. The test diets contained brown seed coat canola (BSC; Brassica napus), yellow seed coat canola (YSC; Brassica rapa), Brassica carinata (Ethiopian mustard; EM), or Camelina sativa (CAM), which were added to their respective diets at a 15% dietary inclusion level. Final weight of fish fed the control (101.0 g) was higher than that of fish fed BSC (80.7 g) and CAM (85.3 g) (P < 0.05). Fish fed the control also gained more weight (98.4g) than fish fed BSC (78.2 g) and CAM (83.0 g) (P < 0.05). Fish fed YSC and EM at a 15% dietary inclusion level had a final body weight and gain that was more similar to the control than fish fed BSC and CAM. Considering the fact that there was no significant difference among treatments for SGR and FCR for the entirety of the trial, all four oilseeds have potential for use in rainbow trout feeds.
ISSN:1045-4438
1545-0805
DOI:10.1080/10454438.2017.1415829