The use of garlic extract powder (Allium sativum) in improving the survival rate and growth of Siberian sturgeon (Acipenser baerii) fingerling

Document Type : Tarvij

Authors

International Sturgeon Research Institute- Rasht- Iran

Abstract

Garlic is one of the plants for which many useful properties and therapeutic and medicinal effects have been expressed in traditional medicine. This plant can show various properties, including stimulating immune and growth, as well as improving the quality of food in different fish. Allicin is the most important effective substance of garlic, which can be effective as a powerful medicinal substance against the growth and proliferation of bacteria, viruses, molds, yeasts and other microorganisms. Considering the beneficial effects of this plant and considering the increasing expansion of sturgeon breeding in the country, the use of the extract of this plant can have beneficial effects in the breeding of various species of sturgeon such as Siberian sturgeon. According to the research, by adding 1000 mg of garlic extract powder per kg of food consumed during a two-month rearing period in Siberian sturgeon (with average initial weight of 11.54 ± 0.06 g), increased the survival rate by 13%, weight by 11.2 g, and non-specific immune indices (lysozyme and complement) by 28% (compared to the control group). Accordingly, it can be stated that the use of the extract of this medicinal plant, while improving survival, immune and growth indices, can be effective in the profitability of breeders and, as a result, in the prosperity of the country's sturgeon aquaculture industry.

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