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

EFFECT OF DIETARY VITAMIN C ON THE HAEMATOLOGICAL PROFILE OF JUVENILE EUROPEAN CATFISH (SILURUS GLANIS) REARED INTO RECIRCULATING SYSTEM

Published in Scientific Papers. Series D. Animal Science, Vol. LXIV, Issue 1
Written by Săndița PLĂCINTĂ, Mirela CREȚU, Victor CRISTEA, Iulia Rodica GRECU, Anca Nicoleta CORDELI (SAVESCU), Elena SÎRBU

A feeding trial was conducted to evaluate the effects of dietary vitamin C (L-ascorbic acid, AA) levels on haematological profile and some biochemical indices of European catfish, reared in a recirculating aquaculture system. A basal commercial diet (40% crude protein and 11.5% lipids) was used as a control (D0), and three other diets were prepared by supplementing the feed with 50 mg AA kg-1 diet (D1), 100 mg AA kg-1 diet (D2) and 150 (D3) mg AA kg-1 diet. At the end of the feeding trial, blood samples were taken in order to analyse the haematological profile and serum biochemical parameters. Significant differences (p˂0.05) were recorded among experimental diets in the numbers of red blood cells (RBC), haematocrit (Hct), the mean corpuscular volume (MCV), and the mean corpuscular haemoglobin concentration (MCHC). Regarding the serum glucose, serum total protein, and the concentration of immunoglobulin (IgM) it was observed an insignificant increase (p˃0.05) with the increasing of the level of vitamin C. In conclusion, supplementation of vitamin C in the diet of Silurus glanis led to good results on fish welfare.

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

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