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5th Edition of the
World Aquaculture, Fisheries and Seafood Conference

June 09-11, 2025 | Rome, Italy

Multi-Trophic Aquaculture

Multi-Trophic Aquaculture

Integrated multi-trophic aquaculture (IMTA) uses by-products from one aquatic species, such as waste, as inputs (fertilisers and food) for another. Farmers combine fed aquaculture (e.g., fish, shrimp) with organic extractive (e.g., shellfish) and inorganic extractive (e.g., seaweed) aquaculture to create balanced systems for environmental remediation (bio mitigation), economic stability (lower costs, higher output, product diversification, and risk reduction), and social (better management practices).  Integrated multi-trophic aquaculture is based on a natural concept: in the food chain, one species will always find a feeding niche in another species' waste. The notion that nutrients provided to finfish would produce high-quality organic and inorganic waste that shellfish and marine plants rely on for growth was thus put to the test. By transforming by-products and uneaten feed from fed organisms into harvestable crops, IMTA promotes economic and environmental sustainability while minimising eutrophication and enhancing economic diversification.

  • Designing Multi Approach Systems
  • Integrated Multi-Trophic Aquaculture Regulations
  • Nutrient Flow and Sustainability
Committee Members
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - Amod Ashok Salgaonkar

Amod Ashok Salgaonkar

A2S2 Enterprises, India
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - J L Giovanna Hesley

J L Giovanna Hesley

CropKing, Inc. Curriculum Development, United States
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - Perry Raso

Perry Raso

Matunuck Oyster Farm, United States
WAC 2025 Speakers
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - Timothy C Visel

Timothy C Visel

Retired Aquaculture Educator, United States
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - Luxin Wang

Luxin Wang

University of California Davis, United States
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - Vidya Padmakumar

Vidya Padmakumar

EcoDiversity Lab, Canada
Speaker at World Aquaculture, Fisheries and Seafood Conference 2025 - Julia Dvorska

Julia Dvorska

Borregaard, Germany

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