Rainbow Trout in Tropics: RAS Technology Breakthrough

Syllabus: Agriculture and Food Security

Ministry of Fisheries, Animal Husbandry & Dairying

Why in news?

India's first commercial-scale Recirculatory Aquaculture System (RAS) for Rainbow Trout inaugurated in Hyderabad (Telangana), proving cold-water fish can be farmed in tropics.

⚛️Static Concepts

Blue RevolutionPradhan Mantri Matsya Sampada YojanaCold Water Fisheries

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Prelims-Oriented Points

Technology: Recirculatory Aquaculture System (RAS) - filters and reuses water, controlling temperature and quality.
Species: Rainbow Trout (Oncorhynchus mykiss) - a high-value cold-water species typically found in Himalayas (J&K, HP, Sikkim).
Location: Hyderabad, Telangana (Tropical climate). Innovation: Technology overrides climatic constraints.
Significance: Year-round production of premium fish in non-native zones, reducing transport costs and carbon footprint.

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Examiner's Trap: Rainbow Trout is NATIVE to clean cold waters; growing it in Telangana is a TECHNOLOGICAL feat (RAS), not natural adaptation.

Quick Data Points

Rs 38,572 Cr cumulative investment in fisheries since 2015

14 lakh trout seeds annual production

Mains Value Addition

GS-3: Agriculture Technology; Blue Economy; Food Security.

Climate Resilience: RAS allows food production independent of external weather/climate patterns.
Resource Efficiency: RAS uses significantly less water than traditional pond farming.
Economic Value: Unlocks high-value export potential for landlocked tropical states.

Source

Press Information Bureau (PIB)

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