The use of Chitosan on growth performance and immune-biochemical indices of farmed sturgeon fingerlings | ||
| ماهیان خاویاری | ||
| Article 2, Volume 8, Spring & Summer - Serial Number 14, September 2025, Pages 10-17 PDF (1.17 M) | ||
| Document Type: Tarvij | ||
| Authors | ||
| Mahmoud Mohseni* 1; Donya Zakeri2 | ||
| 1Fish Nutrient Expert | ||
| 21Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University | ||
| Abstract | ||
| Producing economic rations with an emphasis on the nutritional requirements of the species, increasing production per unit area, and providing quality and diverse products with higher added value are essential for the sustainable development of the sturgeon industry in the country in Iran. According to the rapid expansion of sturgeon farming, these fish are increasingly susceptible to various infectious and non-infectious diseases. Most pathogens are opportunistic, causing disease in fish with compromised immune systems. Chitosan, a polysaccharide derived from the deacetylation of chitin, composed of glucosamine polymers, is known for its growth-promoting and immune-enhancing properties in aquatic species. Numerous studies have reported chitosan's positive effects on growth performance, hematological parameters, antioxidant activity, gut morphology, resistance to pathogens, and stress tolerance in various sturgeon species, including Beluga (Huso huso), Siberian sturgeon (Acipenser baerii) and Stellate sturgeon (Acipenser stellatus). In this study, supplementing the diet of sturgeon (mean weight: 2 – 200 g) with 0. 5% chitosan resulted increase in growth rate, Immune indices, including lysozyme, complement, total immunoglobulin, and immunoglobulin M (IgM), also showed significant improvements in the chitosan-supplemented groups compared to the control. These findings suggest that adding chitosan into sturgeon diets can enhance growth performance, strengthen immune function, improve health indices, and reduce environmental pollution from crustacean processing waste. This approach can contribute to the profitability of sturgeon farmers and the sustainable development of the sturgeon aquaculture industry in Iran. | ||
| Keywords | ||
| Chitosan; Growth Performance; Immunological indices; Sturgeon | ||
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