News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

Eugenio J. Bortone

Aquafeeds

Aquafeed pelleting mill construction

Pelleting mills, where finely ground and conditioned meal are mechanically pressed through a die, produce cost-effective, high-density, water-stable shrimp feeds. 

Aquafeeds

Preconditioning shrimp feeds, Part 4

Pressurized conditioners offer an alternative preconditioning technology to improve pellet quality, increase capacity and feed conversion and pasteurize feed. 

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Aquafeeds

Preconditioning shrimp feeds, Part 3

Aquaculture feed manufacturers in the Americas – with the exception of a few countries like Ecuador – have relied on short-term, single-pass conditioners. 

Aquafeeds

Preconditioning shrimp feeds, Part 2

The effects of long steam preconditioning times of up to 30 minutes on the water stability of shrimp feeds were evaluated in early research studies. 

Aquafeeds

Preconditioning shrimp feeds, Part 1

To obtain highly water stable pelleted feeds, the mash should be preconditioned for more than 90 seconds at temperatures higher than 90 degrees-C.