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This study evaluates the influence of dietary supplementation with royal jelly on growth dynamics in sterlet (Acipenser ruthenus), a species of significant interest in aquaculture. Throughout a controlled experimental period, juvenile sturgeons were fed diets containing varying concentrations of royal jelly and were monitored for key growth performance parameters, including weight gain, specific growth rate, average daily gain, and feed conversion ratio. The results revealed a significant impact of royal jelly sup...

Aquaculture has become an essential component of global food production, offering a sustainable source of animal protein. However, the sector continues to face significant challenges related to environmental sustainability and suboptimal reproductive efficiency. In recent years, the incorporation of plant-derived bioactive compounds, commonly referred to as phyto-additives, has emerged as a promising, natural alternative to synthetic additives and chemotherapeutics. These substances can improve growth performance,...

Sterlet (Acipenser ruthenus) is a species with seasonal reproduction, temperature being considered one of the most important key factors that ensures the seasonal reproductive cycle. The wintering temperature should be carefully controlled to prevent any adverse effects on reproduction. In many fish species, the wintering at high temperatures have a negative impact on reproduction success. The aim of this study is to evaluate the impact of wintering temperature on sterlet males by evaluating the quantity and quali...

Reusing and recirculating the water in which aquatic organisms are cultivated is a crucial goal in improving the sustainability of aquaculture. As a result, recirculating aquaculture systems (RAS) have become increasingly popular recently as a means of raising various fish species, including sturgeons. Sterlet (Acipenser ruthenus) and a sturgeon hybrid (a cross between male A. gueldenstaedtii and female A. ruthenus) were reared in a RAS, and their growth was monitored during the first 6 months of their life. The a...