engleski

Histological examination of Mullets (Mugil spp.) as a possible tool in assessing environmental impact of aquaculture

Fish farming has an impact on the environment due to organic and inorganic nutrients loss, discharge of applied veterinary products etc. Among them, the impact caused by the release of waste products of fish metabolism as well as unused food is the most important. One of the most important constraints to the further development of the Mediterranean aquaculture are environmental concerns, related to the location of the farms and the impact of the efluents on the surrounding environment. Mullet (Mugil spp.) is a cosmopolitan species commonly found in coastal regions and more importantly around the cages of farmed fish. Furthermore this species is known to eat waste food and detritus around and bellow sea cages. Therefore two groups of Mullet were sampled, one around cages of farmed Sea bass and the other from wild population. Basic diagnostic procedures were carried out and liver, spleen and rear kidney were sampled for histological examination. The aim of this study was to determine whether fish farming has an impact on fish living near the cages.

Mullet; aquaculture; environment

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