- 1
- University
of South Bohemia in České Budějovice, Faculty of Fisheries and
Protection of Waters, South Bohemian Research Center of Aquaculture and
Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic. Electronic address: dadras@frov.jcu.cz.
- 2
- Young Researchers and Elite Club, Lahijan Branch, Islamic Azad University, Lahijan, Iran.
- 3
- University
of South Bohemia in České Budějovice, Faculty of Fisheries and
Protection of Waters, South Bohemian Research Center of Aquaculture and
Biodiversity of Hydrocenoses, Zátiší 728/II, 389 25, Vodňany, Czech Republic.
Abstract
The
aim of this study was to investigate effects of two dietary medicinal
herbs, Rose hip (Rosa canina) and Safflower (Carthamus tinctorius)
supplementation on growth performance, haematological, biochemical
parameters and innate immune response of in juvenile beluga, Huso huso.
Fish (26.3 ± 0.4 g) were allocated into 15 tanks (20 fish per tank) and
triplicate groups were fed a control diet or diets containing 1% and 2%
of medicinal herbs, respectively. Feed conversion ratio (FCR), specific
growth rate (SGR) and condition factor (CF) did not show significant
differences (P > 0.05) in fish given herbal diets. Significant
differences were observed in number of white blood cells (WBC) and
haemoglobin (Hb) values among the dietary treatments. The serum alanine
aminotransferase (ALT) and aspartate aminotransferase (AST) levels were
significantly lower in supplemented diet groups compared with the
control. Innate immune responses (lysozyme activity and ACH50)
were significantly higher in 2% Safflower-fed fish compared with other
groups (P < 0.05). These results indicate that medicinal herbs in
diets can be considered as a beneficial dietary supplement for improving
the physiological parameters and enhance the immune response of Persian
sturgeon.
Copyright © 2016 Elsevier Ltd. All rights reserved.
KEYWORDS:
Beluga; Growth performance; Medicinal herbs; Non-specific immunity
