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Blood Chemistry and Histological Properties of Wild and Cultured Sea Bass (Dicentrarchus labrax) in the North Adriatic Sea

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Abstract

Histological and biochemical procedures were employed to study liver histomorphology and plasma levels of aspartate aminotransferases (AST), alanine aminotransferase (ALT), triglyceride (TRIG), cholesterol (CHOL), glucose (GLU) and total protein (TP) in cultured (CSB) and wild sea bass (WSB) (Dicentrarchus labrax) from the northern part of the Adriatic Sea. Histopathological changes in liver included varying degrees of infiltration and lipid degeneration of hepatocytes in examined cultured fish. No significant differences between median AST values of CSB (44 IU) and WSB (45 IU) were observed. Values of ALT were <5 IU in both groups. TRIG, CHOL, GLU and TP levels were higher in CSB (2.08 mmol/L, 3.67 mmol/L, 10.66 mmol/L and 49 g/L, respectively) than in WSB (0.67 mmol/L, 2.74 mmol/L, 3.68 mmol/L and 36 g/L, respectively). The study showed differences between plasma biochemical parameters and liver histomorphology of CSB and WSB. This can be explained as a consequence of different diets (artificial in contrast to natural foods), which influence energy metabolism.

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Abbreviations

ALT:

alanine

AST:

aspartate aminotransferase

CHOL:

cholesterol

CF:

condition factor

CSB:

cultured sea bass

GLU:

glucose

TP:

total protein

TRIG:

trygliceride

WSB:

wild sea bass

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Correspondence to R. Coz-Rakovac.

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Coz-Rakovac, R., Strunjak-Perovic1, I., Hacmanjek, M. et al. Blood Chemistry and Histological Properties of Wild and Cultured Sea Bass (Dicentrarchus labrax) in the North Adriatic Sea. Vet Res Commun 29, 677–687 (2005). https://doi.org/10.1007/s11259-005-3684-z

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Keywords

  • Adriatic sea
  • blood chemistry
  • histology
  • wild and cultured sea bass