Effects of Figs and Rosemary Extracts on Rainbow Trout (Oncorhynchus mykiss) on Growth Performance and Blood Parameters

Year 2019, Volume: 15 Issue: 1, 19 - 25, 01.03.2019

Ebru Yılmaz , Murat Er

https://doi.org/10.22392/egirdir.429630

Cited By: 1

Abstract

In this study the effects of dietary fig and rosemary extract
supplementation on growth performance, feed utilization, biometric indexes and
some blood parameters in rainbow trout (Oncorhynchus
mykiss) were investigated. Two experimental diets were supplemented
with medicinal herb extracts at 0,5,1,2 g/kg. The fish were fed 60 days of
trial diet. The addition of fig extract
and rosemary extract did not have a positive effect on development and feed
intake.  In addition, the addition of fig
extract and rosemary extract did not cause a change in the number of red blood
cell count, hematocrit, hemoglobin, mean corpuscular volume, mean corpuscular
hemoglobin and mean corpuscular hemoglobin concentration (P>0.05). However, the
addition of fig extract and rosemary extract to the feed increased the spleen
somatic index, while decreasing viscerosomatic index and hepatosomatic index
(P<0.05).

Keywords

Oncorhynchus mykiss, fig extract, rosemary extract, growth performance, feed utilization, blood paramereters

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