Application of Ovaprim in artificial reproduction of Eurasian perch, Perca fluviatilis L. under controlled conditions

Dariusz KUCHARCZYK, Katarzyna TARGOŃSKA, Rafał CHWALUCZYK

Abstract

Eurasian perch, Perca fluviatilis L., is one of the most important species in European freshwater aquaculture and probably one of most important of cold freshwater species in nearest future. The aim of this study was to test the Ovaprim in artificial reproduction in Eurasian perch in two temperatures (12 and 14°C) with using new oocyte maturation stage system. The results obtained in present study showed that the oocyte maturity stage is very important in artificial reproduction of perch. The spawning effectiveness, in present study described as ovulation rate, latency time and embryo survival to the eyed-egg-stage, was higher when fish with higher oocyte maturity stage was used for reproduction. The latency time was depended on oocyte maturity stage and on water temperature. If the water temperature was highest from tested (14°C) and oocyte maturity stage was also the highest (4th) the latency time was the shortest. The obtained results showed that Ovaprim might be successfully applied in artificial reproduction of Eurasian perch under controlled conditions.

Keywords

Eurasian perch, Ovulation, Spawning effectiveness, Ovaprim.

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References

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