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Health status of wild and cultured sea bass in the northern Adriatic Sea

Čož-Rakovac, Rozelinda; Strunjak-Perović, Ivančica; Topić Popović, Natalija; Hacmanjek, Mato; Šimpraga, Borka; Teskeredžić, Emin (2002) Health status of wild and cultured sea bass in the northern Adriatic Sea. Veterinarni Medicina, 47 (8). pp. 222-226. ISSN 0375-8427

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Abstract

A complex survey has been conducted in the norhern Adriatic Sea over a period of one year that included comparative parasitological, bacteriological, virological, histological, and biochemical studies of the cultured and wild sea bass (Dicentrarchus labrax L.). The results showed that parasite infestations were due mainly to ectoparasitic monogenea Diplectanum sp. in both cultured and wild sea bass. Philometra sp. and Lerneae sp. were detected in wild sea bass while Triaenophorus sp. and Eimeria sp. were found in reared sea bass. Bacterial pathogens isolated from both reared and wild sea bass belong to Pseudomonadaceae (Pseudomonas sp., P. fluorescens) and unknown Gram-negative bacteria. Moraxellaceae (Acinetobacter sp.), Vibrionaceae (Chewanella putrefaciens) , Enterobacteriaceae (Pantoea agglomerans) and Flavobacterium sp. were isolated from reared fish only. Virological examinations were negative. Histological analysis revealed "fatty liver" (fatty infiltration and degeneration) in the cultured fish. Triglyceride, cholesterol and glucose levels were higher in cultured sea bass (2.55 +- 1.77 mmol/l, 3.68 +-1.43 mmol/l and 9.97 +- 3.33 mmol/l, respectively) than in wild fish (0.80 +- 0.57 mmol/l, 2.95 +- 0.77 mmol/l and 4.79 +- 3.29 mmol/l, respectively). The present paper contributes to establishing a relationship between disease and pathophysiological conditions in wild and cultured fish.

Item Type: Article
Uncontrolled Keywords: Adriatic Sea; sea bass; bacteria; parasite; triglyceride; cholesterol; glucose
Subjects: NATURAL SCIENCES > Biology
Divisions: Division for Marine and Enviromental Research
Division of Materials Chemistry
Depositing User: Natalija Topić Popović
Date Deposited: 08 Dec 2017 12:47
Last Modified: 08 Dec 2017 14:09
URI: http://fulir.irb.hr/id/eprint/3786

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