ISSN 2285-5750, ISSN CD-ROM 2285-5769, ISSN-L 2285-5750, ISSN Online: 2393 – 2260
 

EFFECT OF ROSEMARY, SEA BUCKTHORN AND GINGER AS FEED ADDITIVE ON HEMATOLOGICAL PROFILE AND SOME BIOCHEMICAL PARAMETERS OF Oreochromis niloticus SPECIES

Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 1
Written by Alina MOGODAN, Ștefan-Mihai PETREA, Ira-Adeline SIMIONOV, Aurelia NICĂ, Dragoș CRISTEA, Mihaela NECULIȚĂ

In the present study, three phytobiotics were added to the basal diet of Oreochromis niloticus reared in a recirculating aquaculture system. Therefore, was investigated the influence of phytobiotics on hematological profile, some blood biochemical indices and leukocyte reaction. The experiment was carried out during 12 weeks. The experimental variants were: V1 - control; V2 - 1% Rosmarinus officinalis/kg feed; V3 - 1% Hippophae rhamnoides/kg feed and V4 - 1% Zingiber officinale/kg feed. The results of some parameter of hematological profile showed that supplemented diet with sea buckthorn and ginger exhibited significantly (p<0.05) lowest values of red blood cells count, white blood cells count, absolute number of lymphocytes and neutrophils, relative number of neutrophils. Regarding to blood biochemical analysis was observed a significant (P<0.05) reduction of plasma cortisol concentration and a slight decrease (P>0.05) of glucose concentration in V3 variant. Also, only the sea buckthorn (V3) and ginger (V4) showed an immunomodulatory effect during the experiment because they determined the intensifying the lysozyme activity. In conclusion, dietary supplementation with sea buckthorn and ginger reduced the technological stress and improved the immunity of Nile tilapia.

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© 2019 SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE. To be cited: SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE.

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