Growth and survival of fingerlings rainbow trout (Oncorhynchus mykiss) using three different diets enriched with essential oils

Christian Larenas-Uría, Jonathan Ríos, Walter Ubidia

Research output: Contribution to journalArticlepeer-review

Abstract

© 2016, BIOFLUX SRL. All rights reserved. This study is focused to evaluate the effect on growth and survival of rainbow trout, Oncorhynchus mykiss (Walbaum, 1792) fingerlings fed with diets that include separately three essential oils (0.2% w/w) of turmeric - Curcuma longa, lemongrass - Cymbopogon citratus, and ginger - Zingiber officinale in an 8 weeks trial. The results for average weight gain describe that final weight obtained with the essential oil treatments is significantly different between all groups (p < 0.05); the final weight of the fingerlings fed with turmeric essential oil diet was significantly different from the control treatment. The average values of final length of treatments are not significantly different (p > 0.05). The four treatments produce a negative allometric growth with values of 2.59 to 2.73 (p < 0.05). After the experiment was determined that variation in the diet had a significant effect on fingerlings mortality (p < 0.05).
Original languageEnglish (US)
Pages (from-to)634-637
Number of pages4
JournalAACL Bioflux
StatePublished - 1 Jan 2016

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