Published in Scientific Papers. Series D. Animal Science, Vol. LXVII, Issue 2
Written by Viorica SAVIN, Magdalena TENCIU, Floricel Maricel DIMA, Neculai PATRICHE, Marilena Florentina LACATUS, Elena Ioana COMAN, Victor CRISTEA
In this study, the impact of a commercial probiotic (PC) on the growth and well-being of siberian sturgeon (Acipenser baerii, Brandt, 1869) in a recirculating aquaculture system was investigated over 63 days. Four experimental groups were created: a control group (A1) received a commercial feed with 45% protein and 15% lipid, while three others (A2, A3, A4) had the commercial feed supplemented with 0.2 g PC kg-1, 0.4 g PC kg-1, and 0.6 g PC kg-1, respectively. Biometric measurements and blood analyses were conducted to assess growth and well-being of the biological material. Probiotic addition improved the growth performance in all experimental groups compared to the control. Erythrocytes, hemoglobin, and leukocytes showed higher mean values in the experimental groups. Serum glucose significantly decreased in the experimental groups (p<0.05), while total serum proteins increased with probiotic diets. Protein and lipid accumulation in muscle tissue was observed in all groups fed probiotic diets, indicating a positive influence on the growth and well-being of Acipenser baerii in recirculating aquaculture systems.
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