BIOCHEMICAL STATUS OF BLOOD SERUM OF RAINBOW TROUT Oncorhynchus mykiss (Walbaum, 1792) UNDER DIFFERENT KEEPING AND FEEDING CONDITIONS

Edhem Hasković, Armin Džajić, Damir Suljević

Abstract


We analyzed the blood serum of the rainbow trout in relation to various physico-chemical properties of water and diet composition. Fish were reared in two ponds that were supplied by water from different sources. The identified differences in the biochemical parameters are caused by different environmental factors in ponds and different feed composition. Low oxygen values caused by different temperatures is a key stress factor of the noted differences. Statistically significant differences are noted for AST (aspartate aminotransferase), ALT (alanine aminotransferase), triglycerides, urea and iron (0.00).
Evident were also different mineral concentrations of Ca and P (0.05) as well as glucose and cholesterol (0.05).

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