Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 1
Written by Angelica DOCAN, Lorena DEDIU, Iulia GRECU, Mirela CREȚU
Sturgeon hybrids are an important romanian aquaculture species raised for meet and caviar. Knowing the beneficial properties of medicinal herbal supplements, the objectives of present study was to evaluate the effects of sea buckthorn and thyme extract on haematological parameters in juvenile sturgeon hybrids reared in recirculating aquaculture system. The juvenile hybrids were distributed in following groups: (1) Control, untreated fish, (2) fish fed with 1% Sea buckthorn, (3) fish fed with 1% thyme/kg feed and (4) fish fed with mix 0.5% Sea buckthorn and 0.5% thyme. The blood sampling was analyzed to: RBCc, WBCc, Ht, Hb, MCV, MCH, and MCHC. The supplementation of the diet of the hybrid resulted in the improvement of the physiological state, registering differences, depending on the period of administration of phytobiotics as well as the specific action of each type of plant extract. This study provides new information for the use of medicinal herbs as supplementation to sturgeon hybrids diet; their use can increase disease resistance by improving the physiological status.
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