Effects of dietary Camelina sativa products on digestible nutrient compositions for rainbow trout (Oncorhynchus mykiss)

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DOIResolve DOI: https://doi.org/10.1111/anu.12465
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Name affiliation
  1. National Research Council Canada. Aquatic and Crop Resource Development
FormatText
TypeArticle
Journal titleAquaculture Nutrition
ISSN1353-5773
1365-2095
Abstract
Two trials were conducted to determine the effect of dietary inclusion of camelina (Camelina sativa) products on their digestible nutrient compositions in rainbow trout. In the first experiment, the following camelina products: full-fat seed, oil, high-oil residue meal (HORM), pre-press solvent-extracted meal (SECM) and toasted SECM were evaluated. In the second trial, the utilization of SECM, SECM soaked in water (WS), SECM treated with a multicarbohydrase, Superzyme™-OM, SECM treated with Bio-Phytase and SECM treated with Superzyme™-OM and Bio-Phytase (MIX) was determined. The experimental diets consisted of a basal diet and test ingredient with a ratio of 70:30, except for camelina oil where the ratio was 80:20. In Experiment 1, SECM had the highest level of digestible crude protein (352 g kg−1), whereas the oil was the best source of digestible energy (8,063 kcal kg−1) and digestible crude fat (908 g kg−1). In Experiment 2, there were no significant differences in nutrient digestibility of SECM and HORM; however, WS and MIX had significantly more digestible dry matter and digestible crude fat than SECM and HORM. Camelina by-products have the potential to replace fishery by-products in rainbow trout feeds.
Publication date
PublisherWiley
LanguageEnglish
Peer reviewedYes
NPARC number23000864
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