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The article includes the results obtained in the growth experiments during the postembryonic development period of the North American sturgeon species Polyodon spathula. The experiments took place in the years 2020 and 2021. Sturgeon larvae aged 5 days old, obtained through artificial reproduction at SCDP Nucet, were stocked and raised until the age of 35 days in two variants, in concrete tanks (useful volume -120 m3 /tank), located in the pilot station intended for fish culture experiments from the SCDP Nucet gen...

This paper presents the stages of embryonic and postembryonic development in Polyodon spathula (Polyodontidae) under the conditions of the acclimatization area at Fish Culture Research and Development Station Nucet, Dambovita county, Romania. Embryonic development at the paddlefish is carried out in the temperature range of 14-18o C with an optimum of 16o C. For the induction of maturation and ovulation, the Nerestin 5A hormone was used. The size of the eggs is between 2.7-3 mm and light gray to gray-black in colo...

The paper presents the results of the experiments conducted to study the effect of stimulating maturation and ovulation with different types of hormones on the main parameters characterizing the artificial reproduction process of Silurus glanis L. European catfish used in artificial breeding experiments (body weight = 4.0 - 10.0 kg / ex., age 5-8 years) were raised in ponds within the experimental base of the Fish Culture Research and Development Station Nucet, Romania. For induction of maturation and ovulation, c...

The paper presents the results of the experiments conducted to study the effect of stimulating maturation and ovulation with different types of hormones on the main parameters characterizing the artificial reproduction process of Silurus glanis L. European catfish used in artificial breeding experiments (body weight = 4.0 - 10.0 kg / ex., age 5-8 years) were raised in ponds within the experimental base of the Fish Culture Research and Development Station Nucet, Romania. For induction of maturation and ovulation, c...

The appearance of species imported in the EU, and so on the Romanian market, led to a change in consumer preference towards new species of fish (tilapia, African catfish, pangasius) and aquaculture products (shrimp, clams, oyster, etc.). One of these species is tilapia (Oreochromis niloticus) which, at European level, the import volume is about 10,000 tons / year. In order to reduce imports and increase the competitiveness of aquaculture in the EU have been taken strategic measures to develop technologies that int...

This paper presents results of research on feeding behavior of paddlefish (Polyodon spathula, Walb. 1792), performed at the Fish Culture Research and Development Station Nucet, DпїЅmbovi?a, between 2002 -2007. The results confirmed the planctonofag character of this species. Paddlefish food consists primarily of zooplankton, insects and insect larvae, plant debris and detritus, identified in the intestinal contents. Feeding behavior is differentiated by age and size of fish. During the first days of life, juvenile...

This paper presents the diversity of parasites species identified on cultured fish species, the degree of infestation and the epizootological state in nine fish farms (most of them producing fish fry for stocking other fish farms). These farms are located in five counties in the south of Romania (Arge?, DпїЅmbovi?a, Teleorman, Giurgiu and C?l?ra?i). A total of 653 fish were investigated. The fish species belong to two fish families namely Cyprinydae: Abramis brama, Cyprinus carpio, Carassius gibelio, Hypophthalmic...