Cultivation of the Australian red-clawed crayfish, Cherax quadricarinatus as a new aquaculture facility in the industrial conditions of fish farms in Uzbekistan

Document Type : Research Paper

Authors

1 Alfraganus University, Tashkent, Uzbekistan

2 Samarkand State University named after Sharof Rashidov, Samarkand, Uzbekistan

3 Bukhara State Medical Institute named after Abu Ali ibn Sina. Bukhara, Uzbekistan

4 Institute of Human Resources and Community Development Management, Samarkand State University named after Sharof Rashidov, Samarkand, Uzbekistan

5 Tashkent Medical Academy, Tashkent, Uzbekistan

6 Mamun University, Bolkhovuz Str., 220900 Khiva, Khorezm region, Uzbekistan

7 Tashkent State University of Economics 49, Islam Karimov str., 100066, Tashkent, Uzbekistan

8 Shahrisabz State Pedagogical Institute, Shahrisabz, Uzbekistan

9 Urgench State University, Uzbekistan

10 Tashkent University of Information Technologies named after Muhammad al-Khwarizmi, Tashkent, Uzbekistan

11 Samarkand State Medical University, Uzbekistan

12 Jizzakh State Pedagogical University, Uzbekistan

10.22124/cjes.2025.8756

Abstract

This study explores the farming of the crayfish species Cherax quadricarinatus in fish farms within Uzbekistan. The focus is on expanding aquaculture by introducing new species. Researchers evaluated how well this crayfish can grow and adapt under controlled conditions. These conditions included temperatures of 25-28 °C, minimal salinity, and a neutral pH level, observed over a six-month period. The findings were encouraging: the crayfish gained an average of 45 grams, achieved a daily growth rate of 1.8%, and required 1.6 units of feed to gain one unit of weight. The survival rate reached 85%, indicating that the species adapts well to Uzbekistan’s climate. From an economic standpoint, farming these crayfish appears to be highly profitable. With a production yield of at least 3 tons per hectare annually, the potential return on investment exceeds 30%. Additionally, implementing water recovery systems and low-energy technology can enhance the project’s environmental sustainability. This research represents a critical step towards reducing reliance on conventional aquaculture species and supporting economic development in landlocked areas like Uzbekistan.
 

Keywords

References

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Caspian Journal of Environmental Sciences
Volume 23, Issue 2
April 2025
Pages 417-424

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